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Agilent 8614xB Series Optical Spectrum Analyzer User's Guide

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1. 3 19 Key Path Remote Commands Key Path Remote Commands Note Key Path Remote Commands Function Reference Delete From Delete Setup Panel Delete From Delete Setup Panel Selects whether to delete a file from a floppy disk internal memory or a networked file share Save Recall gt Delete Menu gt Delete File From MMEMory DELete Delete Menu Accesses the Delete Setup panel that allows you to delete files from a floppy disk internal mem ory or a networked file share Save Recall gt Delete Menu MMEMory DELete Delta Marker On Off This toggle function fixes the position of the reference marker and activates the delta marker This measures the difference between the active reference marker and the delta marker The front knob step keys or keypad can be used to move the delta marker to the desired location Refer to Measuring the Difference between Traces on page 2 27 If the delta function is turned on and no marker is active Marker 1 will be turned on and placed at the center wavelength as a reference for the delta marker For Agilent 86146B only if filter mode is enabled the noise marker delta marker and OSNR marker are disabled Markers gt More Marker Functions gt Delta Marker CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion DELTa STATe 3 20 Key Path Related Functions Remote Commands Key Path Remote Commands Function Reference Delta
2. Log of a negative number is not allowed help During evaluation of a math expression the logarithm of a negative number was encountered desc Math expression contains a circular reference help A new math expression was entered The expression was rejected because it would create a circular reference For example if trace math for trace C is set to A B then setting trace math for trace B to C D would create a circular reference desc Next peak not found help A next peak search was requested There are no more peaks on the current marker s trace in the requested direction To find additional peaks reduce the marker peak excursion setting or adjust sensitivity desc Next pit not found help A next pit search was requested There are no more pits on the current marker s trace in the requested direction To find additional pits reduce the marker pit excursion setting or adjust sensitivity 5 26 Status Listings OSA Warnings Table 5 6 OSA Warnings 11 of 12 Error Number Error Description description explanation examples 6749 6750 6751 6752 6753 6754 6755 6756 7998 desc Peak not found help A peak search was requested There are no valid peaks on the current marker s trace Try decreasing the marker peak excursion setting or adjust the sensitivity setting desc Pit not found help A pit search was
3. desc Invalid character in number help An invalid character for the data type being parsed was encountered for example an alpha in a decimal numeric or a 9 in octal data desc Exponent too large help The magnitude of the exponent was larger than 32000 see IEEE 488 2 7 7 24 1 desc Too many digits help The mantissa of a decimal numeric data element contained more than 255 digits excluding leading zeros see IEEE 488 2 7 7 2 4 1 desc Numeric data not allowed help A legal numeric data element was received but the device does not accept one in this position for the header 5 8 Status Listings SCPI Defined Errors Table 5 1 Command Errors 3 of 4 Error Number Error Description description explanation examples 131 134 138 148 150 151 158 161 desc Invalid suffix help The suffix does not follow the syntax described in IEEE 488 2 7 7 3 2 or the suffix is inappropriate for this device desc Suffix too long help The suffix contained more than 12 characters see IEEE 488 2 7 7 3 4 desc Suffix not allowed help A suffix was encountered after a numeric element which does not allow suffixes desc Character data not allowed help A legal character data element was encountered where prohibited by the device d
4. This setting controls the interpolation state for all four markers when in the normal or delta mode When interpolation is off the marker will be placed at the trace point nearest the requested value Bandwidth Marker Interpolation Turns the bandwidth marker interpolation on or off When interpolation is ON the bandwidth markers will be placed at the exact number of dB NDB from the normal marker if within the trace range The position of the marker will be linearly interpolated between two trace data points The default state is ON If interpolate is OFF for negative NDB values the bandwidth mark ers will be at values closest to and more negative than the NDB value For positive NDB values the bandwidth markers will be at values closest to and more positive than the NDB values This will typically result in a wider bandwidth measurement 3 36 Function Reference Marker Setup Peak Excursion Determines in dB which side modes are included in the measurements To be accepted each trace peak must rise and then fall by at least the peak excursion value about a given spectral component The default value is 3 dB Setting the value too high may result in not identifying a side mode Setting the value too low may cause unwanted responses including noise spikes to be identified Use the Marker Setup panel to change the peak excursion value Peak excursion criteria Changing the peak excursion The peak searches may not recogniz
5. 4 3 10 11 12 13 14 15 Remote Front Panel Operation Remote Front Panel Setting Up the OSA for Remote Operation From the OSA s front panel press System gt More System Functions gt GPIB amp Network Setup gt Configure Network When the Network Configuration screen is displayed press Continue The OSA will now restart the operating system and load the Network Configure utility From the Network Configure Utility window press OK When the Network Configure window opens press Configure During the configuration process you will be prompted to enter each of the networking parame ers as described below If networking is currently configured you have the option of accepting he current configuration or updating the networking parameters Tip This is where you can verify the current network settings Pressing Unconfig will disable the current network configuration if any The HP UX Set Systems Parameters panel is displayed You will use this panel to supply the information needed to configure the OSA on the network Press Yes to continue The Required Information window will open You need to obtain the name of your system hostname and your Internet Protocol IP address information from your local network administrator before proceeding Press Yes Continue if you have the necessary information Enter the Hostname for your OSA then press OK Press Yes to confirm the hostname You will now be prompt
6. When the number of sweeps taken is less than the count the following formula is used to calcu late the data AVG sum of current sweeps number of averages selected lf the number of sweeps is greater than or equal to the count the following formula is used to calculate the data New average count 1 count x last average new measurement count Traces gt Averaging CALCulate 1 2 3 4 5 6 AVERage COUNt CALCulate 1 2 3 4 5 6 AVERage STATe Trace C Math Off Turns off Trace C math processing 3 85 Key Path Remote Commands Key Path Remote Commands Key Path Related Functions Remote Commands Function Reference Trace F Math Off Traces gt Trace Math Off gt Default Math Trace C gt Trace C Math Off CALCulate3 MATH STATe Trace F Math Off Turns off Trace F math processing Traces gt Trace Math Off gt Default Math Trace F gt Trace F Math Off CALCulate6 MATH STATe CALCulate6 MATH EXPRession DEFine TRACe EXCHange Trace Integ Calculates total power Total power is the summation of the power at each trace point normal ized by the ratio of the trace point spacing and the resolution bandwidth The analyzer can only calculate the total power of single trace For example if a total power calculation is being per formed on trace A turning total power calculation for trace B will turn the calculation for trace A off Markers gt More Marker Functions gt Line Marker Me
7. on page 3 28 and Firm ware Upgrade on page 3 27 System gt Help gt Revision IDN Save Save Setup Panel Selects whether all measurement data or only trace data will be saved See Saving Measure ment and Trace Data on page 2 19 3 67 Function Reference Save Save Setup Panel When Measurement All Visible State is selected all instrument conditions will be saved The measurement data is saved in binary format dat file This includes the traces and all measure ment conditions The dat file format can only be read by the instrument You will not be able to view this file on your PC When the file is recalled the instrument state will be set to the same state as when the file was saved The Trace s Only files are saved in comma separated variable csv format When the file is recalled the trace data is displayed under the current instrument conditions If you choose to automatically name your file measurement data is saved to the filename ST_xxxxx dat and Trace s only is saved to the filename TR_Xxxxx csv Xxxxx represents a num bering system which is incremented each time the measurement data is saved For example the first time you save Trace s only data the filename TR_00001 csv will be assigned Otherwise a filename can be specified refer to Entering a Filename Using the Arrow Keys on page 2 21 and to Entering a Filename using an External Keyboard on page 2 22
8. Remote Commands Key Path Remote Commands Key Path Function Reference Filter Mode During filter mode the noise marker delta marker and OSNR marker are disabled Appl s gt Measurement Modes gt Filter Mode gt Switch Path Auto Align Now or Switch Path No Auto Align gt Filter Marker Tune CALCulate 1 2 3 4 5 6 MARKer SRLevel INPut FILTer SCENt INPut FILTer SRLevel Filter Mode For the Agilent 86146B Filter Mode only The filter mode utilizes the 9 um external optical path to increase dynamic range and resolution bandwidth with the Agilent 86146B filter mode An active tuning marker can be selected and tuned to the wavelength position The filter marker becomes the current marker and has the active area focus All other markers stay on Refer to Analyzing Measurement Data on page 2 26 for further information Also see Time Resolved Chirp on page 2 34 Appl s gt Measurement Modes gt Filter Mode INSTrument SELect FILTER Filter Mode Instruction Panels For the Agilent 86146B Filter Mode only Allows the choice of disabling the auto align auto measure and take sweep setup instructions when switching from internal to external path System gt More System Functions gt Display Setup gt Filter Mode Instrument Panels 3 26 Function Reference Firmware Upgrade Firmware Upgrade The instrument will restart into a utility to upgrade the instrument firmware For upgrade inst
9. Remote Front Panel Operation Remote Front Panel y y Ei More BWiSweep Functions 3 You can now use the remote front panel just like you would if you were sitting in front of the OSA Remember to use the main menu bar to access OSA functions and to enter data via the keyboard number keys 4 When you are finished using the remote front panel in the Map Display window type Disable The OSA will reboot into normal mode with the remote front panel turned off The OSA display will close on the PC 4 1 o1 Remote Front Panel Operation Remote Front Panel 4 16 Overview 5 2 Error Reporting Behavior 5 4 SCPI Defined Errors 5 5 OSA Notices 5 16 OSA Warnings 5 17 Application Specific Warnings 5 29 OSA Status Errors 5 35 OSA Errors 5 36 Firmware Errors 5 38 Status Listings Error Status error Warning UNCAL Notice Status Listings Overview Overview This document describes the status listings of the Agilent 8614x series optical spectrum analyz ers Status conditions for the optical spectrum analyzer are grouped into categories Indicates the instrument is malfunctioning Measurement accuracy is probably affected Errors can be caused by either a hardware or a firmware problem The instrument requires repair at a Agilent Technologies service center Indicates an internal hardware function is unavailable or not operating within specifications This is usually a temporary prob
10. The caution sign denotes a hazard It calls attention to a procedure which if not correctly performed or adhered to could result in damage to or destruction of the product Do not proceed beyond a caution sign until the indicated conditions are fully under stood and met WARNING The warning sign denotes a hazard It calls atten tion to a procedure which if not correctly per formed or adhered to could result in injury or loss of life Do not proceed beyond a warning sign until the indicated conditions are fully understood and met The instruction manual symbol The prod A uct is marked with this warning symbol when it is necessary for the user to refer to the instructions in the manual The laser radiation symbol This warning symbol is marked on products which have a laser output The AC symbol is used to indicate the Av required nature of the line module input power o The ON symbols are used to mark the positions of the instrument power line switch o The OFF symbols are used to mark the positions of the instrument power line switch The CE mark is a registered trademark of he European Community The CSA mark is a registered trademark of he Canadian Standards Association The C Tick mark is a registered trademark of the Australian Spectrum Management Agency This text denotes the instrument is an ndustrial Scientific and Medical Group 1 Class A product ISM1 A Typographical Conventions The f
11. Using the Instrument Setting Up Measurements Adjusting Setup Conditions Setup panels allow you to adjust setup conditions which are not frequently changed Refer to Preset on page 3 59 Arrows allow you to navigate from field to field in the dialog box The highlighted parameter can be changed The front panel number keys step keys and knob allows the user to enter a numeric value in the highlighted field Select selects the highlighted parameter You can enter values for a selected parameter using the front panel knob or numeric entry pad Defaults resets the parameters to their default condition Close Panel saves the current setup and returns you to the previous menu 2 3 Note Using the Instrument Setting Up Measurements Operating the Internal White Light Source For Option 002 only Option 002 provides a built in white light source which is a stable broadband light source for swept wavelength stimulus response testing from 900 nm to 1700 nm The light source is ideal to perform stimulus response measurements and measure photodetector responsivity Refer to Light Source on page 3 29 Although the light source s lamp lasts an exceptionally long time turn off the light when not in use to extend the lamp s lifetime On the front panel press System Optimum Light Source Select off From the front panel press System gt Options gt Light Source gt Select Off Performing Stimulus Res
12. desc A minimum non zero span is required help The application cannot run in a zero span setting The start and stop wavelength must be separated by a minimum span The line number indicates the line in the specification file which had a start and stop wavelength pair that did not meet the minimum span requirement 5 32 Status Listings Application Specific Warnings Table 5 7 Application Specific Warnings 5 of 6 Error Number Error Description description explanation examples 8029 8030 8031 8032 8033 8034 8035 desc The requested function is not yet implemented help The statement within the specification file is not implemented in this version of the application The word in parentheses has been reserved for future use The statement at the specified line number needs to be removed before the specification file can be imported desc A SETUP statement is needed before SWEEP help The wavelength limits of the SWEEP statement are checked against the wavelength limits in the SETUP statement This check requires that the SETUP statement occur before the SWEEP statement The line number indicates which SWEEP statement is not preceded by the SETUP statement desc The SWEEP limits are outside the SETUP range help The start and stop values for the SWEEP statement must be within the start and stop values of the SETUP statement The line number
13. multi wavelength meter actual WL The previous steps are repeated over the entire wavelength range The data is averaged over narrow wavelength spans to provide a suitable correction for each span The example below demonstrates this technique Once the instrument is calibrated the new wavelength accuracy can be maintained for many hours without recalibration assuming a stable temperature environment If the OSA is turned off the multipoint data will be retained at the next power on but the internal thermal shift can introduce inaccuracies to the calibration data To help compensate for this a single point calibration using the Offset feature in the Wavelength Calibration Setup panel can be used to adjust the multipoint data Access this feature by selecting System gt Calibration gt Wavelength Cal Setup and choosing the Offset option before running the single point calibration 2 16 Using the Instrument Calibrating Wavelength Measurements To insure this offset process has provided sufficient accuracy the wavelength readings of the multi wavelength meter and the OSA should be compared to verify the wavelength accuracy and determine if a full multipoint wavelength recalibration is necessary 2 17 Rh Se Using the Instrument Saving Recalling and Managing Files Saving Recalling and Managing Files The functions and methods available for saving recalling and managing files that contain mea surement s
14. 5 Press the front panel Markers key 6 Press the More Marker Functions softkey 7 Press the Delta Marker softkey to activate the delta marker and the active function area 8 Use the knob step keys or numeric entry pad to move the delta marker 9 The reference marker remains stationary File Measure Applications Options Trace with delta marker Printing the display 10 Press the Print key to print a copy of the display The output will be sent to the internal or external printer depending on the printer selected 1 14 Getting Started The Menu Bar The Menu Bar The Menu bar includes the File Measure Application and Options drop down menus Each menu selection includes a descriptive label Action Indicates the selection will perform an action such as making a measurement or printing the display Panel Indicates the selection will open a softkey panel The File Menu The Measure Menu The Applications Menu The Options Menu 1 15 Getting Started The Softkey Panels The Softkey Panels You can access the softkey panels using either the front panel keys or the menu bar This section includes brief descriptions of the following menus See Chapter 3 Function Reference for addi tional information on each of the OSA functions The Amplitude Menus 1 17 The Applications Menus 1 17 The Bandwidth Sweep Menus 1 19 The Markers Menus 1 20 The Save Recall Menus 1 21 The Systems Menus
15. 5003 5004 desc AutoMeasure cannot find an input signal help The auto measure procedure cannot find a usable input signal Make sure you have a signal connected to the optical input Auto measure will not work with very small input signals They must be measured manually desc AutoAlign cannot find an input signal help The auto align procedure cannot find a usable input signal Make sure you have a signal connected to the optical input desc Cal aborted there is no active marker help A wavelength calibration using the wavelength of the active marker was requested The calibration cannot be made because all markers are turned off Place a marker on the calibration signal and try again desc Cal aborted trace resolution is inadequate help A wavelength calibration using the wavelength of the active marker was requested The calibration cannot be done because the resolution of the marker s trace is inadequate Trace resolution is defined as wavelength span divided by trace points 1 and must be less than 10pm This problem can be corrected by one or more of the following steps 1 Reduce wavelength span 2 Increase number of trace points desc Cal aborted wavelength correction too large help A wavelength calibration was requested The calibration was aborted since the correction needed is larger than 2nm Make sure you have the correct index of refract
16. Adv Service Functions Accesses the following functions e Grating Order More Adv Service Menu e Wavelength Limit Zero Now System gt More System Functions gt Service Menu gt Adv Service Functions Advanced Line Mkr Functions Accesses the following functions e integrate limit e search limit e sweep limit trace integ Markers gt More Marker Functions gt Line Marker Menu gt Advanced Line Mkr Functions Agilent Logo Display Setup Panel Accesses the panel that allows you to turn the Agilent logo on or off When this function is on the Agilent logo appears on the display s upper left corner of the graticule and on printouts System gt More System Functions gt Display Setup All Math Off Turns all the trace math functions off Traces gt Trace Math Off gt All Math Off 3 4 Note Key Path Remote Commands Key Path Function Reference All Off All Off Turns all the active markers off If filter mode is on this function is not available Markers gt Active Marker gt All Off CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 AOFF Amplitude Accesses the menu of keys that allow you to control the instrument s sensitivity and amplitude scales The function keys include amplitude setup e display mode e peak to ref level e reference level scale div e sensitivity e trace integ Amplitude Amplitude Setup Accesses the Amplitude Setup pan
17. Input Return Loss gt 35 dB gt 35 dB gt 35 dB a The 86146B specifications are for the 50 um internal path only b Depends on the quality of the attached connector c With a 9 125 um straight connector Table 7 6 Sweep Specifications Sweep Agilent 8614xB Maximum Sweep Rate 40 nm 56 3 ms Maximum Sampling Rate in Zero Span 50 ms trace point Sweep Cycle Time 50 nm span auto zero off lt 180 ms 50 nm span auto zero on lt 340 ms 100 nm span lt 400 ms 500 nm span lt 650 ms ADC Trigger Accuracy Jitter distributed uniformly lt 0 5 ms Trigger delay range 2 ms 6 5 ms a The 86146B specifications are for the 50 um internal path only b Typical Table 7 7 Pulse Mode Accuracy Specifications PULSE MODE ACCURACY Agilent 86143B ce 42086149B Agilent 86143B w Opt 025 Turn On 2 ms after rising lt 0 2 dB lt 0 2 dB lt 0 2 dB edge Turn Off 2 10 ms after falling edge lt 0 2 dB lt 0 2 dB lt 0 2 dB 30 dB extinction a Typica b Starting from dark c Typical for 86143B 86146B 86143B w Opt 025 7 8 Table 7 8 General Instrument Specifications Specifications and Regulatory Information Specifications Agilent 86142B 86146B Benchtop Agilent 86143B 86145B Portable 222 mm H x 425 mm W x 427 mm D 163 mm H x 325 mm W x 427 mm D Dimensions 8 8 in x 16 8 in x 16 8 in 6 4 in x 12 8 in x 16 8 in Weight 16 5 kg 36 Ib 14 5 kg
18. Key Path Remote Commands Key Path Remote Commands Key Path Related Functions Function Reference TransZ 2 3 Lock The instrument displays up to six traces A B C D E and F When the instrument is first turned on trace A is the active trace TransZ 2 3 Lock Prohibits the instrument from using a transimpedance gain higher than the 10k ohm stage The default state for transZ 2 3 lock is off Systems gt More System Functions gt Service Menu gt Adv Service Functions gt More Adv Ser vice Menu gt TransZ 2 3 Lock SENSe POWer RANGe LOCK Trigger Mode Internal Synchronizes the start of the sweep to an internally generated trigger signal Internal triggering ensures continuously triggered sweeps with the shortest delay between sweeps See Triggering a Measurement on page 2 9 Bandwidth Sweep gt More BW Sweep Functions gt Trigger Mode TRiGger SEQuence SLOPe TRIGger SEQuence SOURce Update A F On OFF When on the selected trace is updated after each sweep When off the trace data is not updated Traces gt Update View A F 3 88 Function Reference Use Marker Search Threshold On Off Marker Setup Panel Remote Commands SENSe SWEep POINts TRACe FEED CONTrol TRA TRB TRC TRD TRE TRF ALWays TRACe FEED CONTrol TRA TRB TRC TRD TRE TRF NEVer Use Marker Search Threshold On Off Marker Setup Panel When on the marker search function ignores peaks
19. cotton swabs 6 15 cycle time sweep 7 4 D date displaying 3 22 wavelength calibration 3 93 Index 1 Index date setting 3 75 dB per division 3 72 declaration of conformity 7 20 default instrument settings 3 59 Default Math softkeys 3 19 Delete Menu softkey 3 20 delta between traces 2 27 delta marker 1 14 units setting 3 36 Delta Marker softkey 3 20 display adding a title 2 18 Agilent logo 3 22 date time 3 22 overview 1 6 printing 1 14 scaling 3 72 title 3 22 display setup panel Agilent logo 3 4 time date 3 19 3 84 title 3 85 Display Setup softkey 3 21 documentation part numbers 1 29 Domain Name 3 89 dust caps 6 16 dynamic range 7 4 3 E Electrostatic ESD information 6 4 Exchange Menu softkey 3 23 Extended State Information softkey 3 49 external printer 3 60 F factory wavelength calibration date 3 93 Factory Preset softkey 3 23 Fast Meas Save softkey 3 24 fast save 2 19 FDA laser safety 1 27 iber optics care of 1 iv 1 11 cleaning connections 6 8 connectors covering 6 23 File menu 1 15 File Share 3 28 File Shares softkey 3 25 File Sharing 3 89 ilename entering 2 21 saving 2 21 3 70 ilter mode 3 78 irmware revision 3 67 Firmware Upgrade softkey 3 27 latness 7 4 loppy disk recalling data 2 24 saving data 2 21 3 71 oam swabs 6 15 ront panel descriptions 1 4 tutorial 1 12 unction area assist 3 22
20. ensuring amplitude accuracy of your measurements Before initiating the alignment connect a broadband light source to the front panel input con nector You may add and or update the existing points in the trajectory table Press Auto Align Preset to clear the table Turn on an active marker and manually place the marker at the desired wavelength If an active marker is not turned on the instrument will automatically turn on an active marker and auto align at the largest input signal The minimum recommended spacing between points is 5 nm for the external single mode fiber Agilent 86146B only and 50 um for the internal multi mode fiber The span must be gt 3 nm for the single mode fiber and gt 25 nm for the multi mode fiber Error 5001 Auto align cannot find input signal will occur if a broadband light source is not connected to the front panel input connector Error 5070 Trajectory Add Failed will occur if the trajectory table is full or the computed trajectory table is invalid Systems gt More System Functions gt Service Menu gt Adv Service Functions gt More Adv Ser vice Menu gt Multi Point Align gt Auto Align amp Add to Trajectory Auto Align Preset Calibrator Multi Pt Align User Source Mutli Pt Align CALibration ALIGn TADD Auto Meas Pressing the Auto Meas button on the front panel of the instrument performs an automatic mea surement of the largest signal found in a full span sweep and places a marker at
21. stabilizes measurements against drift and reduces effects of stray light This special chop mode is enabled by setting the Auto Chop mode to on Power Calibration Power Calibration allows you to use amplitude correction factors either from the factory calibra tion or from the last successful user calibration Pressing the front panel Preset key resets this function to User If a user calibration has not been performed the factory calibration data is used User Power Cal Date The User Power Cal Date displays the date of the last successful user performed amplitude cali bration 3 7 Key Path Related Functions Remote Commands Key Path Related Functions Function Reference Amplitude Units Amplitude Setup Panel Amplitude Correction Sel Allows you to select a correction set to be applied to the measurement results Only one set can be selected at a time Refer to Amplitude Correction Remote Commands on page 1 24 of the Agilent 8614xB Series Optical Spectrum Analyzer Programming Guide for an overview of the amplitude correction remote commands Amplitude Correction Mode Allows you to turn the AMPCOR ON or OFF When AMPCOR is turned on the correction points are applied across the active measurement range and added to all measurement results Between points the correction values are interpo lated linearly or logarithmically When measuring at wavelengths outside the first and last correc tion points the fi
22. 49 Key Path Key Path Function Reference OSA State OSA State Displays the state information The state information includes e center wavelength model options e serial software revision e span e start wavelength e stop wavelength e wavelength offset e wavelength step You can print this information using the internal or external printer System gt More System Functions gt OSA State Path Change Instruction Panels For the Agilent 86146B Filter Mode only Allows the choice of disabling the external path align setup instructions Refer to Switch Path Auto Align Now on page 3 82 and to Switch Path No Auto Align on page 3 83 System gt More System Functions gt Display Setup 3 50 Function Reference Peak to Center Peak to Center Finds the highest amplitude trace point and sets the center wavelength to that wavelength Key Path Wavelength gt Peak to Center Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MAXimum CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SCENter SENSe WAVelength CENTer Peak Excursion Marker Setup Panel Sets the peak excursion value for the marker search functions Peak excursion criteria For marker search functions a signal peak is defined as a rise and fall in the displayed response by at least the peak excursion value If peak excursion is set too high legitimate peaks may not be discerned as signals With lower values mo
23. 59 1 12 Getting Started Making a Measurement To perform an Auto Align For maximum amplitude accuracy perform an automatic alignment whenever the optical spec trum analyzer has been moved subjected to large temperature changes or following warm up See Auto Align on page 3 9 for more information 1 Connect a fiber from the source to the input connector of the optical spectrum analyzer Be sure to follow the good connector practices described in Cleaning Connections for Accurate Measurements on page 6 8 2 Enable the source Press Markers gt Peak Search to find the peak signal power 3 Press the front panel Auto Align key to optimize the detection of the incoming signal This takes a few moments to complete To perform a peak search 4 Press the front panel Auto Meas key to locate and zoom in on the signal Please wait until the Auto Measure routine is complete A marker is placed on the peak of the displayed signal File Measure Applications Options Trace with normal marker To zoom in on the signal Press the Span softkey and then use the knob step keys or numeric keypad to zoom in on the signal 1 13 Getting Started Making a Measurement Using the delta marker The optical spectrum analyzer has four types of markers normal markers bandwidth markers delta markers and noise markers The marker currently being displayed is a normal marker In the next step we will use it as a delta marker
24. Application DWDM Spectral Analysis Application Passive Component Test Application mplifier Test Application ource Test Application Alternative Connector Interface FC PC DIN ST SC Multimode Fiber Input w N D gt Certificate of Calibration Opt 001 Opt 002 Opt 004 Opt 005 Opt 006 Opt DPC Included Included Included Included Standard Opt 013 Opt 014 Opt 017 Included Opt 006 Not Applicable Included Included Included Included Standard Opt 013 Opt 014 Opt 017 Opt 025 Agilent 86143B Included a Option available for 86146B only b 50m multimode input available on Agilent 86143B OSA s only 1 27 Getting Started Product Options and Accessories Table 1 3 Accessories Option Description Product Number Item Quantity Connector Accessories 012 FC PC Connector Adapter 08154 61702 3 FC PC Dust Cap 1401 0291 3 Angled to Flat FC PC Adapter 1250 3175 013 DIN Optical Connector Adapter 08154 61703 3 DIN Dust Cap 1401 0291 3 014 ST Optical Connector Adapter 08154 61704 3 ST Dust Cap 1401 0291 3 017 SC Optical Connector Adapter 08154 61708 3 SC Dust Cap 1401 0291 3 Power Selection 900 Power Cord United Kingdom 8120 1351 1 901 Power Cord Australia New Zealand China 8120 1369 1 902 Power Cord Europe 8120 1689 1 903 Power Cord United States 8120 1378 1 906 Power Cord Swi
25. Auto mode If the video band width is set to manual the sensitivity and sweep time may be forced to Auto If the sweep speed is set to manual and is set too fast the over sweep indicator will come on in the display area Since these settings interact it is recommended that only one of the settings be changed which ever setting is most important to the measurement task being performed Amplitude gt Sensitivity Amplitude Setup Auto Ranging Reference Level Automatic SENSe POWer DC RANGe LOWer AUTO Manual SENSe POWer DC RANGe LOWer Set Time Date Accesses the time date setup panel The selections are current time 24 hour format current date and time zone To make changes e use the navigation keys to select the dialog box e use the numeric entry keys to change the time and date e use the step keys to change the time zone and month press Set Time Date when the desired changes are completed Changing the time date or time zone causes the instrument to reboot with the current informa tion System gt More System Functions gt Set Time Date Set Title Accesses the Title Setup panel to add a title to the display Use the softkeys to change or select the items from the setup panel Refer to Adding a Title to the Display on page 2 18 System gt Set Title DISPlay WINDow 1 TEXT DATA 3 75 Function Reference Show Critical Errors Show Critical Errors Opens a window displaying criti
26. Connectors on page 6 15 Maintenance Cleaning Connections for Accurate Measurements Use the following guidelines to achieve the best possible performance when making measure ments on a fiber optic system e Never use metal or sharp objects to clean a connector and never scrape the connector e Avoid matching gel and oils Figure 6 5 Clean problem free fiber end and ferrule n iS ACES Figure 6 6 Dirty fiber end and ferrule from poor cleaning 6 12 Maintenance Cleaning Connections for Accurate Measurements Je AM i Figure 6 7 Damage from improper cleaning While these often work well on first insertion they are great dirt magnets The oil or gel grabs and holds grit that is then ground into the end of the fiber Also some early gels were designed for use with the FC non contacting connectors using small glass spheres When used with con tacting connectors these glass balls can scratch and pit the fiber If an index matching gel or oil must be used apply it to a freshly cleaned connector make the measurement and then immedi ately clean it off Never use a gel for longer term connections and never use it to improve a dam aged connector The gel can mask the extent of damage and continued use of a damaged fiber can transfer damage to the instrument When inserting a fiber optic cable into a connector gently insert it in as straight a line as possible Tipping and inserting at an angle ca
27. Error Number Error Description description explanation examples 310 desc System error help Indicates that some error termed system error by the device has occurred This code is device dependent 321 desc Out of memory help An internal operation needed more memory than was available Query errors An lt error event number gt in the range 499 400 indicates that the output queue control of the instrument has detected a problem with the message exchange protocol described in IEEE 488 2 chapter 6 The occurrence of any error in this class shall cause the query error bit bit 2 in the event status register IEEE 488 2 section 11 5 1 to be set These errors correspond to mes sage exchange protocol errors described in IEEE 488 2 section 6 5 One of the following is true An attempt is being made to read data from the output queue when no output is either present or pending Data in the output queue has been lost Events that generate query errors will not generate command errors execution errors or device specific errors see the other error definitions in this section Table 5 4 Query Errors 1 of 2 Error Number Error Description description explanation examples 400 Query error This is the generic query error for devices that cannot detect more specific errors This code indicates only that a Query Error as defined in IEEE 488 2 11 5 1 1 7 and 6 3 h
28. Limit EMC IEC 61326 1997 A 1 1998 EN 61326 1997 A 1 1998 CISPR 11 1997 EN 55011 1998 Group 1 Class A IEC 61000 4 2 2001 EN 61000 4 2 2001 4kV CD 8 kV AD IEC 61000 4 3 2001 EN 61000 4 3 2001 3 V m 80 1000 MHz IEC 61000 4 4 1995 A 1 2000 A2 2001 EN 61000 4 4 2002 0 5 kV signal lines 1 kV power lines IEC 61000 4 5 2001 EN 61000 4 5 2001 0 5 kV line line 1 KV tine ground IEC 61000 4 6 2001 EN 61000 4 6 2001 3 V 0 15 80 MHz IEC 61000 4 8 2001 EN 61000 4 8 2001 30 Am IEC 61000 4 11 2001 EN 61000 4 11 2001 1 cycle 100 Canada CES 001 1998 Australia New Zealand AS NZS 2064 1 Safety IEC 61010 1 2001 EN 61010 1 2001 Canada CSA C22 2 No 1010 1 1992 USA UL 3111 1 1994 Supplemental Information The products were tested in 4 typical configuration with AgJent Technologies test systems Wy in Fischer 2004 March 11 Date Name Product Regulations Representative Tite For further information please contact your local Agilent Technologies sales office agent or distributor Authorized EU representative Agilent Technologies Deutschland GmbH Herrenberger Strasse 130 D 71034 Boebtingen Germany Revision C issue Date 2004 March 11 7 16 A absolute accuracy 7 3 accessories product 1 8 static safe 6 4 accuracy absolute differential 7 3 active function area assist 3 22 Active Function Area Assist 3 2 active function area moving 2 11 3 41 Active Marker softkey 3 3 Active Marker s
29. Revision Remote Commands SYSTem ERRor Single Mode Alignment For 86141B only Performs an auto align on the external signal path The external path from the monochromator output to the photo diode input must be connected before performing the auto align When Single Mode Alignment is selected follow the on screen instructions in the setup panel Single Mode Fiber Alignment Setup Warning Executing this procedure will invalidate previous Auto Align To Proceed 1 Cean All Connections 2 Connect a Single Mode Fiber between Monochromator Output to Photodetector Input 3 Press Execute Alignment The Single Mode Fiber Alignment Setup panel Key Path Appl s gt Measurement Modes gt Filter Mode gt Single Mode Align Related Functions CALibration ALIGnment Remote Commands INSTrument SELect 3 78 Key Path Related Functions Remote Commands Note Key Path Function Reference Single Sweep Single Sweep Initiates one sweep of the measurement range Use this function to update the displayed mea surement data Refer to Repeat Sweep on page 3 65 Trigger conditions must be met in order for a single sweep to occur The SWEEP indicator light on the front panel is on when the sweep is in progress The indicator is off when the sweep is com plete Tip Single sweep mode is especially useful when programming the instrument and under the fol lowing circumstances e insuring the trace reflects
30. Terms 7 3 Specifications 7 5 Additional Specifications Agilent 86146B 7 9 General Instrument Specifications 7 9 Option 001 Current Source 7 11 Option 002 White Light Source 7 11 Option 004 EELED Sources 7 12 Regulatory Information 7 14 Declaration of Conformity 7 15 Specifications and Regulatory Information Calibration Cycle Specifications and Regulatory Information Specifications and Regulatory Information Specifications and Regulatory Information This chapter contains specifications and characteristics for Agilent 8614xB optical spectrum ana lyzers OSA The specifications in this chapter apply to all functions autocoupled over the temperature range 0 C to 55 C and relative humidity lt 95 unless otherwise noted All specifications apply after the instrument s temperature has been stabilized after 1 hour contin uous operation and the auto align routine has been run Unless otherwise noted specifications apply without USER CAL All specifications apply to measurements made without using the front panel connector saver This instrument requires periodic verification of performance The instrument should have a com plete verification of specifications at least once every two years 7 2 Characteristics and specifications Wavelength Resolution Specifications and Regulatory Information Definition of Terms Definition of Terms The distinction between specifications and characteristics is descr
31. a menu to set center wavelength peak to center e span e start wavelength stop wavelength e wavelength setup 3 92 Function Reference Wavelength Cal Info Wavelength Cal Info Displays the date of the last factory calibration the last user wavelength calibration date signal source wavelengths referenced in and set calibration wavelength Key Path System gt Calibration gt Wavelength Cal Setup Related Functions Wavelength gt Calibration Remote Commands CALibrate WAVelength DATE Wavelength Cal Setup See Calibrating Wavelength Measurements on page 2 13 Accesses the following e calibration data will be offset or replaced e factory wavelength calibration date e set calibration wavelength e signal source external or calibrator e user wavelength cal date e wavelength referenced in air or vacuum The Wavelength Calibration setup panel Setup Panel Selections Factory Wavelength Cal Date Shows the date of the last factory performed wavelength calibration 3 93 Key Path Remote Commands Function Reference Wavelength Line Mkr 1 2 User Wavelength Cal Date Shows the date of the last successful user performed wavelength calibration Signal Source Selects either an external single wavelength signal source or the internal calibrator as the wave length calibration source Wavelength Referenced In for external calibration source only Selects air or vacuum for the calibration I
32. any printouts desc DEFAULT cannot be used for a parameter help A parameter cannot be specified as DEFAULT The parameter needs to be either a previously defined variable name or an actual value The bad parameter was found on the line number specified The number in the parentheses is the number of the parameter causing the problem desc A duplicate command is in the spec file help Certain commands should be used only once in the specification file The duplicate command was found on the line number specified The command in the parentheses is the duplicate desc A required command is missing from the spec file help Certain commands must be used in the specification file The missing command is listed in the parentheses This command should be used only once in the file desc The normalization interval limited to maximum help The normalization interval has a maximum value of 24 and a minimum value of 0 1 hours The interval specified in the specification file is outside this range The specification file can still be used but the calibration interval will be 24 hours desc The spec file could not be loaded help The application found a problem with the specification file Possible causes can include the following the file is incompatible with the application the file is from a previous version of the application the file was corrupted The file wit
33. axis readout and the delta reference readout This setting controls all four normal markers The bandwidth and delta offset markers have their own setting Markers gt Marker Setup gt Normal Marker Units Active Marker CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 X READout OSNR Marker Indicates the signal quality based on the signal strength and noise level Turning on the OSNR marker will display four markers an active marker a center marker and two noise markers To adjust the active marker to the desired measurement location use the step keys knob or key board The center marker is positioned at the closest peak to the active marker The location of the noise markers is determined by the selection of the Noise Method and the center marker The noise measurement is referenced to 0 1 nm noise resolution bandwidth 3 45 Note Function Reference OSNR Marker For Agilent 86146B only if filter mode is enabled the noise marker marker BW delta marker and OSNR marker are disabled Power P Wavelength e noise marker symbols interpolated noise a interpolated noise amplitude P peak P peak amplitude P center wavelength Center amplitude P N OSNR Center amplitude N normalized Interpolating Noise To accurately measure noise the noise level must be determined at the signal wavelength The measurement cannot be directly performed because the signal power
34. bandwidth in auto The following functions affect video bandwidth e changing the sensitivity value changing the reference level e turning auto ranging on or off The range of video bandwidths available in auto mode is much greater than can be set manually from the front panel A lower video bandwidth value requires a longer sweep time Because of the interdependence between the video bandwidth and sensitivity it is recommended that either the sensitivity or the video bandwidth be changed whichever is the most important to the mea surement task being performed To reduce noise you can select a narrower video bandwidth to improve repeatability and sensi tivity or select a wider video bandwidth to shorten overall measurement time This selection allows the choice between repeatability and measurement time based on your measurement requirements The narrower the video bandwidth the longer the sweep time 2 6 Note Using the Instrument Setting Up Measurements From the front panel press Bandwidth Sweep gt Video BW Toggle to select the video bandwidth automatically or manually Use the knob step keys or numeric entry pad to enter the desired value For measurements with slow polarization scrambling use trace averaging to improve measurement repeatability Trace averaging is faster than video filtering for the slow polarization scrambling application Using Span to Zoom In To see a more detailed view of the
35. by a dashed green line and the REF annotation on the display The default position is one major graticule division from the top of the display The reference level is entered in dBm Use the Amplitude Setup panel to change the reference level position See Reference Level Position Amplitude Setup Panel on page 3 64 Amplitude gt Reference Level Amplitude Setup Reference Level Position Scale Div DISPlay WINDow TRACe Y SCALe RLEVel 3 63 Key Path Related Functions Remote Commands Note Key Path Related Functions Remote Commands Function Reference Reference Level Position Amplitude Setup Panel Reference Level Position Amplitude Setup Panel Determines the position of the reference level on the graticule Setting this value to zero divisions places the reference level on the very bottom of the grid Setting the reference level to 10 divi sions places the reference level at the top of the grid The default or preset position is 9 divi sions which is one major graticule down from the top of the display See Reference Level on page 3 63 The reference level position can be changed using the knob step keys or numeric keypad When using the knob or step keys the value will automatically change When using the numeric key pad a terminator must be selected from the softkey panel Amplitude gt Amplitude Setup gt Reference Level Position Amplitude Units Amp Display Mode Reference Level
36. display Table 3 7 Default values Function Preset Value Function Preset Value Start wavelength 600 nm Stop wavelength 1700 nm Wavelength offset 0 Wavelength step size Auto Resolution bandwidth Auto Resolution bandwidth to span 0 01 ratio Wavelength units nm Medium Vacuum Wavelength limit On Grating order Auto Power reference level 0 dBm Power reference level position 9 Power scale 10 dB div Ratio reference level 0 dB Ratio reference level position 5 Ratio scale 10 dB div Amplitude units Auto Ratio units Auto Amplitude correction 0 Source mode Off Sensitivity Auto Video bandwidth Auto Auto range On Trans Z lock Off Repetitive sweep On Sweep time Auto Auto chop 0 Gated sweep Off Trigger mode Normal ADC trigger delay 10 us ADC sync out 0 Sweep limit Of Trace length 1001 Current source pulse width 100 us Current source duty cycle 100 Auto zero On User wavelength calibration Enabled User power calibration Enabled Graticule On Annotation On Current marker MKR 1 Normal marker interpolation Of Bandwidth marker interpolation On Normal marker units nm Bandwidth marker units nm Peak search threshold 90 dBm Threshold enable Of Peak search excursion 3 dB Pit search excursion 3 dB Peak search on end of sweep Of Marker search limit Of Line markers Of Marker noise normalization 1 nm OSNR Mode auto bandwidth OSNR Offset 0
37. full span sweep This aligns the output of the monochromator with the photodetector for improved amplitude accuracy To ensure maxi mum amplitude accuracy and stability connect an input signal to the instrument mark the peak of the signal and then press Auto Align This starts an automatic alignment procedure that should be performed whenever the instrument has been moved e subjected to a 2 temperature change restarted and warmed up at the start of each day The automatic alignment requires the connection of an external broadband or narrowband light source If there is insufficient signal power the automatic alignment will not be performed and an error message will be reported The auto align function saves and restores the current instrument state This allows the auto align function to be used in the middle of a measurement routine If markers are turned on the auto align function attempts to do the automatic alignment at the wavelength of the active marker If the instrument is in zero span the alignment is performed at the center wavelength Auto Align Auto Meas Auto Align amp Add to Trajectory Calibrator Multi Pt Align User Source Multi Pt Align CALibration ALIGn CALibration ALIGn MARKer 1 2 3 4 3 9 Note Key Path Related Functions Remote Commands Function Reference Auto Align amp Add to Trajectory Auto Align amp Add to Trajectory Allows alignment at several wavelengths
38. head lever to the vertical position Then tilt the lever towards the instrument s rear panel to rotate the printer head up 7 Clean the printer head using a cotton swab and isopropyl alcohol CAUTION Use of other cleaning materials or fluids may damage the printer co After the printer head has thoroughly dried use the printer head lever to return the printer head to its original position 6 6 Maintenance Printer Head Cleaning Procedure 9 Replace and secure the sheet metal cover for the printer head 10 Replace the printer paper and close the printer access door 6 7 Maintenance Cleaning Connections for Accurate Measurements Cleaning Connections for Accurate Measurements Today advances in measurement capabilities make connectors and connection techniques more important than ever Damage to the connectors on calibration and verification devices test ports cables and other devices can degrade measurement accuracy and damage instruments Replac ing a damaged connector can cost thousands of dollars not to mention lost time This expense can be avoided by observing the simple precautions presented in this book This book also con tains a brief list of tips for caring for electrical connectors Choosing the Right Connector A critical but often overlooked factor in making a good lightwave measurement is the selection of the fiber optic connector The differences in connector types are mainly in the mech
39. involves the floppy disk drive try a different floppy disk If the error persists please make a note of the error number and contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86740B Series Users Guide for a listing of the Agilent sales and service offices desc Could not initialize floppy help gt A request was made to initialize a floppy disk The operation did not succeed Check to see that there is a floppy disk inserted in the drive and that the disk is not write protected This can also be caused by a defective floppy disk desc I O Error help An unexpected error occurred during the I O operation Please try the operation again If the operation involves the floppy disk drive try a different floppy disk If the error persists please make a note of the error number and contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86740B Series Users Guide for a listing of the Agilent sales and service offices 5 19 Status Listings OSA Warnings Table 5 6 OSA Warnings 4 of 12 Error Number Error Description description explanation examples 5044 5045 5046 5047 5048 5049 5050 desc Please cycle power to synchronize system time help The system time clock has been set backwards Due to internal system req
40. mode Peak detection is beneficial for maintaining the fastest sweep times and displaying narrow aspect ratio signals Sample detection is beneficial for obtaining best measurement accuracy and mea suring low level signals Peak detection finds and displays the maximum signal level present during each trace point inter val Peak detection is used if video filtering is not required to achieve the desired level of sensitiv ity However there is one exception if an auto coupled sweep time is limited by either maximum motor speed or a 50 ms auto coupling limit then sample detection is used with as narrow a digi tal video bandwidth as possible in order to achieve maximum sensitivity for the chosen sweep time This exception only applies when both sweep time and video bandwidth are auto coupled Sample detection displays a filtered version of the sampled data at the end of each trace point interval The filter function is varied with the video bandwidth function from 100 mHz to 3 0 kHz or the bandwidth of the currently selected transimpedance amplifier whichever is less Increased filtering provides greater sensitivity The detection mode is automatically determined by the instrument You can adjust the settings of video bandwidth sensitivity or sweep time to obtain the desired detection mode Sample detec tion can be forced at any time by putting video bandwidth in manual Peak detection can usually be obtained by placing sensitivity and video
41. modes The selection on the marker search menu will change depending on which of the two modes is selected Markers gt More Marker Functions gt Marker Search Menu gt Search Mode CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MAXimum CALCulate 1 2 3 45 6 MARKer 1 2 3 4 MINimum 3 73 Key Path Remote Commands Function Reference Select Path INT EXT Select Path INT EXT For 86146B only Allows you to select between internal 50 um and external 9 um fiber The dual fiber outputs from the monochromator allow the instrument to have improved resolution bandwidth and dynamic range when using the 9 um fiber The 50 um fiber is the default setting Internal 50 um path resolution bandwidth include 0 06 0 1 0 14 0 2 0 33 0 5 1 2 5 10 settings External 9 um path resolution bandwidth include 0 04 0 06 0 1 0 14 0 2 0 33 0 5 1 2 5 10 settings Bandwidth Sweep gt Select Path INSTrument SELect FILTER Sensitivity Requests the lowest amplitude signal that can be measured relative to the power at top of screen It is defined as the signal that is six times the RMS noise The minimum setting is 100 dB An error will be reported for values outside of this range and the sensitivity will round to the nearest valid sensitivity See Setting the Sensitivity on page 2 8 Manual allows manual input of sensitivities and enables auto gain ranging The top of screen and the sensitivity
42. more accurate measurements Key Path Appl s gt Measurement Modes gt Power Meter Mode gt Power Meter Zero 3 56 Function Reference Power Calibration Setup Related Functions Power display Power meter mode Remote Commands CALibration ZERO AUTO ONCE Power Meter Units For Agilent 86146B only Displays the power meter units automatically in watts or in dBm Key Path Appl s gt Measurement Modes gt Power Meter Mode gt Pwr Mtr Units Remote Commands CALibration POWer VALue lt param gt 3 57 Key Path Function Reference Power On State IP Last Power On State IP Last Selects the state IP or Last of the instrument when it is turned on The default state is IP If IP is selected the instrument will turn on in a known preset state With the settings as they would be after pressing the front panel Preset key For a list of parameter settings Refer to Pre set on page 3 59 If Last state is selected the instrument will turn on with the settings as they were when the instrument was turned off This is equivalent to recalling a saved instrument state or measure ment file System gt More System Functions gt Service Menu gt Power On State IP Last 3 58 Function Reference Preset Preset Resets the instrument to a known preset state Selecting preset aborts any current operations and clears the GPIB output queue Preset leaves some settings in place for example the title on the
43. notices fic warnings fic status errors Application speci Firmware errors fic errors 5 3 Status Listings Error Reporting Behavior Error Reporting Behavior Errors are displayed in an on screen dialog box To continue operation the user must acknowl edge the error by pressing a button Status errors are displayed with a descriptive line in the lower left corner of the graticule Imme diately press the System key below the display and then press the Help softkey to the right of the display to display more information A softkey menu is displayed that includes Show Critical Errors Show HW Errors Show Warnings and Show Notices If there are any errors warnings or notices one or more of these keys are enabled Press the key to display a more complete description of the condition causing the message Warnings and notices are displayed in a status line at the bottom of the screen They are cleared when any front panel key other than the System key is pressed or they will clear automatically after a few seconds To view warnings and notices press the front panel System key the Help softkey and then the Show Warnings or Show Notices softkey UNCAL is displayed as red text in the lower right corner of the graticule It is only displayed when a condition exists that can lead to an inaccurate measurement There are cases when valid measurements can be made while an UNCAL condition exists but the operator should use cau
44. peak must meet the peak excursion and threshold criteria If the specified marker is off it will be turned on and placed at the center wavelength The search for the next maximum will reference that point Markers gt More Marker Functions gt Marker Search Menu gt Next Peak Down CALCulate 1 2 3 4 5 6 MARKer 1 213 4 MAXimum NEXT Next Peak Left Places the marker on the next peak located at a lower X axis value usually wavelength than the current marker position This peak must meet the peak excursion and threshold criteria If the specified marker is off it will be turned on and placed at the center wavelength or frequency Markers gt More Marker Functions gt Marker Search Menu gt Next Peak Left CALCulate 1 2 3 4 5 6 MARKer 1 213 4 MAXimum LEFT 3 42 Key Path Remote Commands Key Path Remote Commands Key Path Remote Commands Function Reference Next Peak Right Next Peak Right Places the marker on the next peak located at a higher X axis value usually wavelength than the current marker position This peak must meet the peak excursion and threshold criteria If the specified marker is off it will be turned on and placed at the center wavelength or frequency Markers gt More Marker Functions gt Marker Search Menu gt Next Peak Right CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MAXimum RIGHt Next Pit Left Places the marker on the next pit located at a lower X axi
45. requested There are no valid pits on the current marker s trace Try decreasing the marker pit excursion setting or adjust the sensitivity setting desc Trace has no centroid help The trace has no centroid This may occur because the sum of trace points amplitudes is zero or there a no trace points desc The reference point is outside trace bounds help The reference point s wavelength is either too small or too large The reference point will be clipped to a trace endpoint desc The window specified is invalid help The window specified is invalid The window should be a constant desc Search failed no data help A marker search operation was requested After clipping the trace data to screen limits and line marker limits if enabled there was no data to search This can be caused when all trace data points are beyond current X axis screen limits or when there are no trace data points between the line markers Trace data values which exceed the current Y axis screen limits will not cause this problem Adjust the current X axis screen limits and or move the line markers to include at least one trace data point desc Attempt to divide by 0 help At least one point was attempted to be divided by 0 The result for these divisions has been set to not a number Please realize that further calculations with not a number values are undefined desc Sy
46. selects the power on state e performs a factory preset upgrades the firmware e zeros the instrument e sets the wavelength limit e sets the TransZ 2 3 lock e changes the auto measure defaults e sets the GPIB address e sets networking parameters Take Sweep For 86146B Filter Mode only Initiates a single sweep that updates the display to show the valid waveform data Refer to Repeat Sweep on page 3 65 and to Single Sweep on page 3 79 Key Path Appl s gt Measurement Modes gt Filter Mode gt Switch Path Auto Align Now gt Take Sweep Related Functions Single Sweep Remote Commands INITiate IMMediate 3 84 Key Path Remote Commands Key Path Remote Commands Function Reference Title Display Setup Panel Title Display Setup Panel Turns the display title on or off When the title selection is on the title will appear on the display s top center of the graticule and on printouts Create a title in the Title Setup panel System gt Set Title Use the arrows step keys or knob to select the letters for the title See Adding a Title to the Display on page 2 18 System gt More System Functions gt Display Setup DISPlay WINDow TEXT DATA Trace Averaging When averaging is on you can select the number of measurement sweeps to be averaged using the 10 20 50 100 softkeys You can also enter averaging values other than those displayed by using the numeric keypad or the knob
47. serviced to replace a damaged connector when thousands of dollars and lost time could have been avoided if better care were given to the fiber optic connector The connector saver is intended to serve as a replaceable interface When cleaned and attached to the front panel it should remain in place and successive input fiber changes should be attached to the connector saver If the connector saver is damaged you can easily replace it Connector saver damage can be detected by examining the connector saver with a fiber scope a reflectometer or substituting a new connector saver and observing a difference in the measure ment The connector saver should be cleaned before any connection While the connector saver is pro vided to protect the front panel input connector from dirty fibers the fiber and connector saver must be cleaned Any dirt between fiber connections causes high insertion loss and increased reflections and can also damage the fibers themselves The advantage to using the connector saver is that if it is damaged it is much less expensive and faster to replace than the front panel input connector CAUTION Maintenance Cleaning Connections for Accurate Measurements Cleaning Connector Savers The two ends of the connector saver should be cleaned differently The ferrule fiber end of the connector saver can be cleaned in the same manner as a fiber patch cord or a cable using the method described below The recesse
48. setting determines the requested dynamic range The system will sweep once per gain stage and may require up to three sweeps to achieve the requested dynamic range Auto automatically chooses a sensitivity and a single gain range based on top of screen This will result in approximately 40 dB of dynamic range The sweep time ST that is displayed in the lower portion of the display is the time for the OSA to sweep over one gain stage The OSA may take up to three sweeps in three different gain stages to make the measurement This depends on the settings for sensitivity reference level auto range and also the particular device being measured The final data trace is a blended composite of each trace taken in the different gain stages For more information refer to Setting the Sensi tivity on page 2 8 An increase in sensitivity may also require a narrower video bandwidth which will slow the sweep speed Normally the optical spectrum analyzer selects the greatest sensitivity possible that does not require amplification changes during the sweep If you manually increase the sensi tivity level the sweep pauses to allow this change in gain 3 74 Key Path Related Functions Remote Commands Key Path Key Path Remote Commands Function Reference Set Time Date The settings for sensitivity video bandwidth and sweep time interact If the sensitivity is set to manual the video bandwidth and sweep time may be forced to
49. the particular device being measured The final data trace is a blended composite of each trace taken in the different gain stages An increase in sensitivity may also require a narrower video bandwidth which will slow the sweep speed Normally the optical spectrum analyzer selects the greatest sensitivity possible that does not require amplification changes during the sweep If you manually increase the sensi tivity level the sweep pauses to allow this change in gain The settings for sensitivity video bandwidth and sweep time interact If the sensitivity is set to manual the video bandwidth and sweep time may be forced to Auto mode If the video band width is set to manual the sensitivity and sweep time may be forced to Auto If the sweep speed is set to manual and is set too fast the over sweep indicator will come on in the display area Since these settings interact it is recommended that only one of the settings be changed which ever setting is most important to the measurement task being performed Press Amplitude Sensitivity toggle to manual and enter a value 2 8 Using the Instrument Setting Up Measurements Triggering a Measurement Triggering a measurement synchronizes the start of the sweep to an internally generated trigger signal Internal triggering ensures continuously triggered sweeps with the shortest delay between sweeps Refer to Trigger Mode Internal on page 3 88 In some measurements the spec
50. the signal peak The signal must have at least 10 dB of excursion Refer to Peak Excursion Marker Setup Panel on page 3 51 for additional information Auto measure requires the connection of an external broadband or narrowband light source If there is insufficient signal power the auto matic measurement will not be performed and a warning message will be reported This auto matic measurement routine is normally the best way to adjust sensitivity while maintaining the fastest sweep rates 3 10 Note Note Key Path Related Functions Remote Commands Function Reference Auto Meas The auto measure function uses trace A to perform the measurement Since the auto measure function can alter the instrument state we recommend that this operation be performed before a measurement sequence is started Auto Measure Setup panel allows you to modify the auto measure span and the vertical scale tune to the wavelength indicated by the marker and optimize the sensitivity Span selects the wavelength span for viewing the signal located by the auto measure function If auto is specified the span is set wide enough to display most of the signal If a particular span is desired deselect auto and put the desired span in the nm dialog box The default selection for span is auto If the span is set too narrow the auto measure operation may not complete successfully If this happens a warning message is displayed Sca
51. thousandth of a micron or one hundred millionth of a centimeter Wavelength gt Wavelength Setup gt Wavelength Units Zero Now Causes the auto zero function to run immediately This allows you to manually zero the instrument when the auto zero function is off In Auto Zero mode the instrument compensates for temperature related current drift between each sweep Although this zeroing increases amplitude accuracy it also increases the time between sweeps If amplitude accuracy is not critical to your measurement turn off zeroing to improve throughput The instrument performs a more complete zeroing when the instrument is first turned on You can run this more complete routine anytime by pressing the Zero Now softkey System gt More System Functions gt Service Menu gt Adv Service Functions gt Zero Now CALibration ZERO AUTO ONCE 3 96 Information and Equipment Required for the Configuration Process on page 4 2 Setting Up the OSA for Remote Operation on page 4 4 Connecting to the OSA over the Network on page 4 6 Using the Reflection X Emulator to Run the Remote Front Panel on page 4 7 Using the X Win 32 Emulator to Run the Remote Front Panel on page 4 9 Using a UNIX Workstation to Run the Remote Front Panel on page 4 12 Using the Remote Front Panel on page 4 14 Remote Front Panel Operation Remote Front Panel Operation Remote Front Panel Remote Front Pane
52. to select an active marker Selecting a marker always places that marker on the center wavelength of the active trace Up to four markers can be simulta neously displayed If multiple markers are displayed the active marker appears as a white dia mond and the other markers appear as green diamonds The Mkr notation on top of the graticule area indicates the trace where the marker is located For example Marker 2 on trace B would read Mkr 2 B See Tips for Using Traces and Markers on page 2 26 and Measuring the Difference between Traces on page 2 27 Markers gt Active Marker Active Trace Peak Search Pit Search Marker to Center Marker to Reference Level CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 STATe CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 AOFF Active Trace Accesses the menu that allows you to select an active trace for viewing updating or storing The trace must be active before you can put a marker on it or make changes to it There are six traces available See Tips for Using Traces and Markers on page 2 26 and Measuring the Difference between Traces on page 2 27 Traces gt Active Trace Markers gt Active Trace Trace Math View Trace Update Trace CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 TRACe TRACe FEED INPute TRA 2 TRACe FEED CONTrol TRA ALWays DISPlay WINDow TRACe TRA ON 3 3 Key Path Key Path Key Path Key Path Function Reference Adv Service Functions
53. trace Hold Max compares the current amplitude value of each point on the active trace in the current sweep to the corresponding point detected during the previous sweep then displays the maxi mum value Hold Min compares the current amplitude value of each point on a trace in the current sweep to the corresponding point detected during the previous sweep then displays the minimum value Hold None turns the Hold function off Traces gt Hold None Min Max CALCulate 1 2 3 4 5 6 MAXimum STATe CALCulate 1 2 3 4 5 6 MINimum STATe Integrate Limit Calculates the power between Wavelength Marker 1 and Wavelength Marker 2 when the trace integration function is on Once wavelength markers have been turned on the total power integration marker search and wavelength sweep may be individually limited to the wavelength marker range Markers gt More Marker Functions gt Line Marker Menu gt Advanced Line Mkr Functions gt Integrate Limit Sweep Limit Search Limit CALCulate TPOWer IRANge LOWer CALCulate TPOWer IRANge UPPer Light Source Turns the desired light source on or off The number and type of sources displayed depends on the options installed Refer to Operating the Internal White Light Source on page 2 4 3 29 Key Path Related Functions Remote Commands Key Path Key Path Remote Commands Function Reference Line Marker Menu System gt Options gt Light Source Current Sour
54. when saving to the floppy drive GIF Graphics Interchange format is a cross platform graphic standard GIF formats are commonly used on many different platforms and readable by many different kinds of software The file is saved with a gif extension GIF supports up to 8 bit color 256 colors Save to Selects saving data to a floppy disk or to internal memory Save Traces Selects the traces to be saved Save Recall gt Save Menu Graphics format HCOPy DEVice LANGuage Measurement SAV Trace only MMEMory STORe TRACe Network File Share MMEMory FSHAre 1 2 3 4 PATH lt param gt Network File Share MMEMory FSHAre 1 2 3 4 ADDRess lt param gt Network File Path HCOPy DEVice PSHare 1 2 3 4 PATH lt param gt Network File Path HCOPy DEVice PSHare 1 2 3 4 ADDRess lt param gt Network File Path HCOPy DESTination SYSTem COMMunicate NETWork 1 2 3 4 Save Recall Accesses function keys to save and recall measurement results See Saving Recalling and Managing Files on page 2 18 backup restore menu e delete menu e fast measure recall e fast measure save format floppy disk recall menu save menu Save Recall 3 71 Key Path Remote Commands Key Path Remote Commands Key Path Related Functions Remote Commands Function Reference Save To Save Setup Panel Save To Save Setup Panel Selects saving data to a floppy disk or to
55. 0 2 nm n Room temperature The 86146B specifications are for the 50 um internal path only Sensitivity is defined as signal value gt 6 X RMS noise value Resolution bandwidth setting lt channel spacing Excluding amplitude errors at low power levels due to noise For signals within 8 dB of top of screen Absorption of light by atmospheric moisture affects flatness at 1350 1420 nm Table 7 4 Dynamic Range Specifications Agilent 86143B Agilent 86142B 86145B 861 46B2 Agilent 86143B w Opt 025 In 0 1 nm resolution bandwidth 1250 to 1610 nm chop mode on 0 5 nm 1 nm 5 nm4e 1550 nm at 0 8 nm 100 GHz at 1550 nm 550 nm at 0 5 nm 62 5 GHz at 1550 nm 550 nm at 0 4 nm 50 GHz at 1550 nm 550 nm at 0 2 nm 4 25 GHz at 1550 nm g a en a et Ly 70 dB 60 dB 58 dB 55 dB 40 dB 70 dB 60 dB 58 dB 55 dB 40 dB 70 dB 60 dB 55 dB 52 dB 7 1 Specifications and Regulatory Information Specifications The 86146B specifications are for the 50 um internal path only Excluding multiple order grating response With applied input fiber 9 125 um Typical Chop mode not available on the 86146B models Average of all states of polarization Typical for 86143B 86143B with option 025 enmroaaont p Table 7 5 Monochromator Input Specifications Monochromator Input Agilent 8614xB
56. 1 at this time Simply type Passwd at the prompt and enter a new password The new password must differ from the old password by at least three characters Once you changed the password you will need to remember it for future use You will not be able to access the remote front panel capabilities without the new password From the command prompt type Enable and then press Enter When prompted Enter the IP number for the system where the display is enter the IP address for the UNIX workstation that you are using now and then press Enter 4 12 Remote Front Panel Operation Remote Front Panel The remote front panel command will be displayed on the OSA and the OSA will be restarted You will be able to monitor the restarting process on the PC display Once the OSA has finished restarting the front panel will be activated on your PC display File Measure Applications Options More BW Sweep Functions 9 You can now use the remote front panel just like you would if you were sitting in front of the OSA Remember to use the main menu bar to access OSA functions and to enter data via the keyboard number keys 10 When you are finished using the remote front panel in the Map Display window type Disable The OSA will reboot into normal mode with the remote front panel turned off The OSA display will close on the PC aay Se Remote Front Panel Operation Remote Front Panel Note Using the Remote Front Pan
57. 1 22 The Traces Menus 1 24 The Wavelength Menus 1 25 1 16 Getting Started The Softkey Panels The Amplitude Menus You can access the Amplitude softkeys using the front panel Amplitude key or the Measure menu Amplitude selection on the menu bar The Amplitude menu The Applications Menus You can access the Applications Appl s softkeys by using the front panel Appl s key or the Applications menu Launch an Installed Application section on the menu bar For a complete description of the applications refer to the Agilent 8614xB Series Measurement Applications User s Guide that came with your instrument 1 17 Getting Started The Softkey Panels The Applications menu The Measurement Modes function is available only in the Agilent 86146B models MLL YALL 1 18 Getting Started The Softkey Panels The Bandwidth Sweep Menus You can access the Bandwidth Sweep softkeys by using the front panel Bandwidth Sweep key or the Measure menu Bandwidth Sweep selection on the menu bar The Bandwidth Sweep menu 1 19 Getting Started The Softkey Panels The Markers Menus You can access the Markers softkeys by using the front panel Markers key or the Measure menu Markers selection on the menu bar The Markers menu 1 20 The Save Recall menu Getting Started The Softkey Panels The Save Recall Menus You can access the Save Recall softkeys and setup pa
58. 140B Series Users Guide for a listing of the Agilent sales and service offices 20007 desc Sweep Timeout help A sweep was started but did not finish in the expected amount of time The trace data acquired during this sweep may not be valid Try taking another sweep If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86740B Series Users Guide for a listing of the Agilent sales and service offices 21999 desc The Error list has overflowed help The Error list has overflowed The last entries received have been deleted 5 37 Status Listings Firmware Errors Firmware Errors Table 5 10 Firmware Errors Error Number Error Description description explanation examples 30000 30001 desc Internal Communications E ror help An internal software error has occurred involving communications between different software processes Please record this error including the extra text and cycle power If the error persists co ntact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 8614x series Users Guide fo offices a listing of the Agilent sales and service desc Auto Measure Software Er help An error has been detected internal problem with the software 0 in the auto
59. 146B only In Power Meter mode turns power display on or off Appl s gt Measurement Modes gt Power Meter Mode gt Power Display DISPlay WINDow 1 POPup 1 2 3 4 ALL OFF ON 0 1 3 55 Function Reference Power Calibration Setup Power Meter Mode For 86146B only Power meter operation is an operation mode available on the 861 46B instruments Power meter mode displays the broadband power of the input light over time The input light is directly con nected to the instrument s photodetector This bypasses the internal monochromator and pre vents any filtering by the resolution bandwidth filters With power meter mode you can perform the following measure total power of broadband light sources monitor power as a function of time Monitoring power enables you to observe both long and short term drift and to perform real time adjustments Power meter mode places the instrument in the following settings Mode Setting Sweep time 10s Amplitude units logarithmic Amplitude scale 5 db division Video bandwidth 100 Hz The input light is connected to the front panel Photodetector Input connector for measurement The front panel Monochromator Input and Monochromator Output connectors are not used in power meter mode Key Path Appl s gt Measurement Modes gt Power Meter Mode Remote Commands INSTrument SELect INSTrument NSELect Power Meter Zero For Agilent 86146B only Zero s the power meter detector to provide
60. 15 minutes Insertion Loss 1550 nm 0 5 dB typ 10 dBe a Immediately following enhanced single point auto align at constant temperature b For room temperature only For room temperature only c For serial numbers DE44103007 and higher 10 dB max insertion loss otherwise Table 7 10 Additional Specifications Agilent 86146B Agilent 86146B Filter Bandwidth 0 5 dB 1 0 dB 3 0 dB RBW Nominal Setting Actual Bandwidth 0 04 nm 0 016 0 023 0 039 0 05 nm 0 019 0 026 0 045 0 07 nm 0 033 0 044 0 063 0 1 nm 0 076 0 089 0 115 0 2 nm 0 134 0 147 0 173 0 3 nm 0 257 0 270 0 297 0 5 nm 0 421 0 434 0 460 20 a From 1530 1610 nm b Typical 7 10 Specifications and Regulatory Information Specifications Table 7 11 Filter Bandwidth Agilent 861 46B oe Rejection 1256H 25 GHz 50GHz 100 GHz 0 1 nm 0 2 nm 0 4 nm 0 8 nm 0 04 nm 40 dB 50 dB 56 dB 55 dB 0 05 nm 40 dB 50 dB 55 dB 55 dB 0 07 nm 50 dB 55 dB 55 dB 0 1 nm 40 dB 50 dB 55 dB 0 2 nm K 40 dB 45 dB 55 dB 0 3 nm a 45 dB 55 dB 0 5 nm 45 dB 50 dB a Typical b Adjacent Channel Rejection Limited to 60dB below total integratedpowet Table 7 12 Option 001 Current Source Current Output Agilent 86142B 86146B Only Range 0 to 200 mA source or sink Resolution 50 mA steps Accuracy 2 50 mA Clamp Voltage 2 7V Noise Density at 1 kHz lt 4 nA JHz Stability Within 30 Minutes l
61. 25 um actual fiber s diameter is smaller than a human hair Alignment Key Figure 6 2 Basic components of a connector Over the last few years the FC PC style connector has emerged as the most popular connector for fiber optic applications While not the highest performing connector it represents a good compromise between performance reliability and cost If properly maintained and cleaned this connector can withstand many repeated connections However many instrument specifications require tighter tolerances than most connectors includ ing the FC PC style can deliver These instruments cannot tolerate connectors with the large non concentricities of the fiber common with ceramic style ferrules When tighter alignment is required Agilent Technologies instruments typically use a connector such as the Diamond HMS 10 which has concentric tolerances within a few tenths of a micron Agilent Technologies then uses a special universal adapter which allows other cable types to mate with this precision con nector See Figure 6 3 6 9 Maintenance Cleaning Connections for Accurate Measurements Figure 6 3 Universal adapters to Diamond HMS 10 The HMS 10 encases the fiber within a soft nickel silver Cu Ni Zn center which is surrounded by a tough tungsten carbide casing as shown in Figure 6 4 Staking Groove Fixing oper Secondary Staking Active Centering Tungsten Carbide Nickel Silver CuNi Zr Ha
62. 27 Key Path Key Path Key Path Key Path Remote Commands Function Reference GPIB Address Save Recall gt Format Floppy Disk GPIB Address Accesses the GPIB address information To change the address use the numerical entry keys step keys or knob to enter the new GPIB address information If changes are made press the Select softkey Press the Defaults softkey to reset the address to the factory preset default 23 System gt More System Functions gt GPIB Address amp Network Setup gt GPIB Address GPIB amp Network Setup Accesses the functions used to set up networked file and printer shares on the analyzer GPIB Address Configure Network User Share Identity e File Shares e Printer Shares System gt More System Functions gt GPIB Address amp Network Setup Help Accesses error queues for hardware errors critical errors notices and warnings once an error queue is accessed Also displays the instrument s current firmware revision Refer to Firmware Upgrade on page 3 27You can print the queue clear the queue or page up and down to view the information If no hardware errors critical errors notices or warnings have been generated these functions will be shaded System gt Help SYSTem ERRor IDN 3 28 Key Path Remote Commands Key Path Related Functions Remote Commands Function Reference Hold A F None Min Max trace Hold A F None Min Max
63. 31 Ib Environmental Temperature Operating 0 C to 55 C Storage 40 C to 70 C Humidity Operating lt 95 RH Storage Non condensing Altitude Up to 2 000 meters 6 600 feet Power Requirements Voltage and Frequency Maximum Power Consumption 100 115 230 240 V 50 60 Hz 250 W Computer Interfacing Remote Control Compatibility Interfaces Floppy Disk Data Export Graphics Export Instrument Drivers Web enabled controls IEEE 488 1 IEEE 488 2 100 GPIB Parallel Printer Port External VGA Monitor Keyboard and Mouse PS 2 3 5 inch 1 44 MB MS DOS Spreadsheet and Word Processor Compatible CSV ASCII CGM PCL GIF Universal Instrument Drivers PNP Compatible with Agilent VEE Labview Visual Basic and C a Floppy disk and printer operating temperature range 0 C to 45 C 7 9 WARNING NOTE Specifications and Regulatory Information Specifications Agilent 86146B Additional Specifications The light emitted from the MONOCHROMATOR OUTPUT connector is filtered and slightly attenuated light input to the front panel MONOCHROMATOR INPUT connector Light can radiate from the front panel in the following instrument modes filter mode external path and stimulus response The following 86146B specifications are for the 9 um filter mode only Table 7 9 Additional Specifications Agilent 86146B Agilent 86146B Insertion Loss Stability 1550 nm
64. 38 performing 1 13 Peak Search softkey 3 52 Peak to Center softkey 3 51 Peak to Ref Level softkey 3 53 Perform Calibration softkey 3 53 pit excursion 3 54 pit excursion setting 3 37 pit search 3 73 Pit Search softkey 3 54 polarization dependence 7 4 power calibration date 3 7 setting 3 7 Power Display softkey 3 55 power meter display 3 55 display area moving 3 41 units 3 57 Power Meter Mode softkey 3 56 Power Meter Zero softkey 3 56 Preset key 3 11 3 59 Print key 1 14 3 60 printer changing the paper 6 2 connecting 1 10 head cleaning 6 4 Printer Setup softkey 3 60 Printer Shares softkey 3 61 over network 3 61 printing external or internal 3 60 product information 1 11 Pwr Mtr Units softkey 3 57 R rear panel descriptions 1 4 recall data 2 23 Recall Menu softkey 3 63 recall setup panel measurement trace data 3 61 recall from 3 62 REF annotation 3 63 reference level 3 6 reference level position 3 64 Reference Level softkey 3 63 reflection X 4 7 regulatory information 7 19 remote setup panel GPIB address 3 18 Remote File Sharing 3 28 3 70 3 89 remote front panel 4 2 remote setup panel GPIB address 3 42 Repeat Sweep softkey 3 65 repeatability tuning 7 3 reproducibility 7 3 Reset Min Max Hold softkey 3 67 resets 2 3 resolution FWHM 7 3 restore internal memory 2 19 Restore Internal Memory softkey 2 19 3 67 returning for service
65. 4 nm Marker 1 4 Of Marker 1 4 bandwidth Off 3 59 Function Reference Print Function Preset Value Function Preset Value Marker 1 4 bandwidth amplitude 3 dB Marker 1 4 delta Off Marker 1 4 noise Off Marker 1 4 delta marker units nm Current trace TRA Trace integration Off Trace integration limit Off Trace mean Off Trace mean limit Off Trace average count 100 Trace data format ASCII TRA visibility On TRB IRF visibility Off TRA update On TRB TRF update Off TRA TRF min hold Off TRA TRF max hold Off TRA TRF averaging Off TRA TRF trace math Off TRB TRF data 3 point dummy trace Raw trace 3 point Fiber state Internal dummy trace a Accessible only via the remote interface b For 86146B only Key Path Preset Related Functions Factory Preset IP Remote Commands SYSTem PRESet Print The print function can be accessed by the front panel print key or by using the drop down File menu print selection Use this function to print a copy of the display Print location is determined by the Printer Setup panel See File Sharing and Printing over a Network on page 2 25 Remote Commands HCOPy IMMediate Printer Setup Accesses the printer setup panel that allows you to select either the internal printer or external printer as the print destination 3 60 Key Path Remote Commands Function Reference Recall Recal
66. 426 56 7840 Asia Pacific tel 852 3197 7777 fax 852 2506 9284 6 22 CAUTION CAUTION Maintenance Returning the Instrument for Service Preparing the instrument for shipping Write a complete description of the failure and attach it to the instrument Include any specific performance details related to the problem The following information should be returned with the instrument e Type of service required Date instrument was returned for repair Description of the problem e Whether problem is constant or intermittent e Whether instrument is temperature sensitive e Whether instrument is vibration sensitive e Instrument settings required to reproduce the problem e Performance data Company name and return address Name and phone number of technical contact person Model number of returned instrument e Full serial number of returned instrument e List of any accessories returned with instrument Cover all front or rear panel connectors that were originally covered when you first received the instrument Cover electrical connectors to protect sensitive components from electrostatic damage Cover optical connectors to protect them from damage due to physical contact or dust Instrument damage can result from using packaging materials other than the original materials Never use styrene pellets as packaging material They do not adequately cushion the instrument or prevent it from shifting i
67. 6 21 Revision softkey 3 67 S safety information 1 iv Save menu softkey 3 69 save setup panel measurement trace save 3 67 save to 3 72 save traces 3 72 save fast mode 3 24 save recall functions fast recall 2 23 fast save 2 19 internal memory backup restore 2 19 Index 4 recalling data 2 23 saving data 2 20 Save Recall key 3 71 Save Recall menu 1 22 saves 2 3 scale fidelity 7 4 Scale Div softkey 3 72 screen 2 19 search Limit softkey 3 73 Search Mode softkey 3 73 selecting a measurement mode 3 40 selects 2 3 sensitivity 7 4 optimizing 2 8 3 11 Sensitivity softkey 3 74 service returning for 6 21 Set Time Date softkey 3 75 Set Title softkey title displaying 3 75 Setup panel overview 2 3 sharing files 3 25 shipment checking package content 1 8 shipping procedure 6 23 Show Errors softkeys 3 76 3 77 Show Notices softkey 3 77 Show Warnings softkey 3 78 signal source setting 3 94 single mode alignment 3 78 Single Sweep softkey 3 79 softkey panels 1 16 1 26 source single 3 94 Span softkey zero span 3 79 specifications 7 2 Standard Product Options and Accessories 1 28 Start WL softkey 3 80 State softkey 3 50 static safe accessories 6 4 Stop WL softkey 3 80 subnetwork mask 4 2 swabs 6 15 sweep continuous 3 65 cycle time 7 4 rate maximum 7 4 Sweep Key 3 15 Sweep Points softkey 3 81 Index system functions active area moving 2 11 a
68. Agilent 8614xB Series Optical Spectrum Analyzer User s Guide Gee Agilent Technologies otices This document contains proprietary information that is protected by copyright All rights are reserved o part of this document may reproduced in including electronic storage and retrieval or trans lation into a foreign language without prior agree ment and written consent from Agilent Technologies Deutschland GmbH as governed by United States and international copyright laws Copyright 2001 2004 by Agilent Technologies Deutschland GmbH Herrenberger Str 130 71034 B blingen Germany Subject Matter The material in this document is subject to change without notice Agilent Technologies makes no warranty of any kind with regard to this printed material including but not limited to the implied warranties of merchant ability and fitness for a particular purpose Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing perfor mance or use of this material Printing History New editions are complete revisions of the guide reflecting alterations in the functionality of the instrument Updates are occasionally made to the guide between editions The date on the title page changes when an updated guide is published To find out the current revision of the guide or to pur chase an updated guide contact your Agilent Tech nologie
69. Agilent 8614xBa Sensitivity 600 750 nm 4 60 dBm 750 900 nm 4 75 dBm 900 1250 nm _75 dBm 1250 1610 nm 90 dBm 1610 1700 nme 80 dBm Maximum Measurement Power s 1525 1700 nm 15 dBm per channel 600 1000 nm 30 dBm total 15 dBm per channel 1000 1525 nm 30 dBm total 12 dBm per channel 30 dBm total Maximum Safe Power Total safe power 30 dBm Total power within any 10 nm 23 dBm portion of the spectrum Absolute Accuracy at 20 dBm 0 5 dB 1310 nm 1550 nm Scale Fidelity Autorange off 0 05 dB Autorange on 0 07 dB Display Scale log scale 0 01 20 dB DIV 120 to 90 dBm Amplitude Stability 1310 nm 1550 nm 1 minute 0 01 dB 15 minutes 0 02 dB 7 6 Specifications and Regulatory Information Specifications Amplitude Agilent 8614xBa Agilent 86142B 86145B Agilent 86143B w Opt Agilent 86143B 86146B 025 Flatness 1290 1330nm si ee 0 2dB 0 42 2 2 2 2 wre 1525 1570 nm 0 2 dB oo 0 2 dB 1525 1610nm ee 0 2dB 00 4 42 2 2 wre 1250 1610nm sree 07dB Polarization Dependence 1310 nm 0 25 dB 0 12 dB 1530 nm 1565 nm 0 2 dB 0 05 dB 1600 nm 0 25 dB 0 08 dB 1250 to 1650 nm 0 3 dB 0 25 dB 0 5 dB Temperature range 0 to 30 C Second Order Temperature range 20 to 30 C Typical For resolution 20 1 nm azo rte sme aoe oa With applied input fiber 9 125 pm m For resolution 2
70. Auto Zero Amplitude Setup Panel Turns Auto Zero on and off Auto Zero on enables the internal amplifiers to be zeroed between sweeps In this mode the instrument compensates for temperature related current drift between each sweep Although this zeroing increases amplitude accuracy it also increases the time between sweeps If amplitude accuracy is not critical to your measurement turning off auto zero will improve throughput Pressing the front panel Preset key resets this function to on Tip The instrument performs a more complete zeroing when the instrument is first turned on You can run this more complete routine anytime by pressing the Zero Now System gt More System Functions gt Service Menu gt Adv Service Functions gt Zero Now softkey Amplitude gt Amplitude Setup gt Auto Zero Zero Now CALibration ZERO 3 12 Key Path Remote Commands Key Path Function Reference Averaging Averaging When averaging is on you can select the number of measurement sweeps to be averaged using the 10 20 50 100 softkeys You can also enter averaging values other than those displayed by using the numeric keypad or the knob When the number of sweeps taken is less than the count the following formula is used to calcu late the data AVG sum of current sweeps number of averages selected If the number of sweeps is greater than or equal to the count the following formula is used to calculate the data Ne
71. CFR 1040 10 except for deviations pursu ant to Laser Notice No 50 dated 2001 July 26 Laser type Wavelength Max CW output power Beam waist diameter Numerical aperture Laser class according to IEC 60825 1 2001 Max permissible CW output power Edge emitting LED EELED 1310nm 1550 nm 50 uW 9 um 0 1 1 15 6mW 10mW Max CW output power means the highest possible optical CW power that the laser source can produce atits output Max permissible CW output power is the highest optical power that is permitted within the appropriate IEC laser class WARNING Please pay attention to the following laser safety warnings e Under no circumstances look into the end of an optical cable attached to the optical output when the device is operational The laser radiation can seriously damage your eyesight Do not enable the laser when there is no fiber attached to the optical output connector e The use of optical instruments with this product will increase eye hazard e Refer servicing only to qualified and authorized personnel 1 26 Getting Started Product Options and Accessories Product Options and Accessories Options Agilent 86142B 86146B Benchtop Agilent 86143B 86145B Portable Instrument System Options Current Source White Light Source Built in 1310 amp 1550 nm EELED Source uilt in 1550 nm EELED Source Wavelength Calibrator Time Resolved Chirp
72. GM Save To IX Floppy Disk _ intemal Memory File Name _J Auto X Manual The Save Setup panel The auto span value will not be saved with the measurement Save Measurement Saves the measurement data in a binary format dat file This includes the traces and all mea surement conditions The dat file format can only be read by the analyzer You will not be able to view this file on your PC When the file is recalled the instrument state will be set to the same state as when the file was saved Save Trace s Only The Trace s Only files are saved in comma separated variable csv format and are auto named starting with TR_00000 csv State files are auto named starting with ST_00000 csv When the Trace s Only file is recalled the trace data will be displayed under the current instru ment settings lo view the instrument settings press System gt More System Functions gt State Info Save Traces Selects the traces to be saved 2 20 gt on Using the Instrument Saving Recalling and Managing Files Save Graphics Allows you to save graphic data in one of two formats These selections are valid only when sav ing to the floppy drive CGM Computer Graphics Metafile format is a vector graphics format that describes pictures and graphical elements in geometric terms The file is saved with cgm extension GIF Graphics Interchange Format is a cross platform graphic standard GIF formats are commonly used on many
73. I errors 1 to 999 All positive numbers are instrument dependent All negative numbers are reserved by the SCPI standard with certain standard error event codes described in this document The value zero is also reserved to indicate that no error or event has occurred Error event numbers The system defined error event numbers are chosen on an enumerated 1 of N basis The SCPl defined error event numbers and the lt error event description gt portions of the full queue item are listed here The first error event described in each class for example 100 200 300 400 is a generic error In selecting the proper Error event number to report more spe cific error event codes are preferred and the generic error event is used only if the others are inappropriate Command errors An lt error event number gt in the range 199 100 indicates that an IEEE 488 2 syntax error has been detected by the instrument s parser The occurrence of any error in this class shall cause the command error bit bit 5 in the event status register IEEE 488 2 section 11 5 1 to be set One of the following events has occurred An IEEE 488 2 syntax error has been detected by the parser That is a controller to device mes sage was received which is in violation of the IEEE 488 2 standard Possible violations include a data element which violates the device listening formats or whose type is unacceptable to the de v
74. ION Getting Started Setting Up the Analyzer Step 3 Apply Power to Instrument Press the power switch at the lower left hand corner of the front panel e After a short initialization period the display will look similar to the picture on this page e Allow the instrument to warm up for at least 1 hour Step 4 Clean Connectors and Prepare for Measurements Fiber optic connectors are easily damaged when connected to dirty or damaged cables and accessories The front panel INPUT connector of the Agilent 861 4x series is no exception When you use improper cleaning and handling techniques you risk expensive instrument repairs damaged cables and compromised measurements Before you connect any fiber optic cable to the Agilent 8614x series optical spectrum analyzer refer to Cleaning Connections for Accurate Measurements on page 6 8 A front panel connector saver is provided with Agilent 861 4x series instruments Attach the connector saver to the front panel INPUT connector of the instrument You can now make your connections to the connector saver instead of the instrument This will help prevent damage to the front panel INPUT connector of the instrument Damage to the front panel INPUT connector is expensive in terms of both repair costs and down time Use the front panel connector saver to prevent damage to the front panel INPUT connector Note All product specifications apply to measurements made without using the front pa
75. Instrument for Service on page 6 21 If the shipment was damaged contact the carrier then contact the nearest Agilent Technologies Sales Office Keep the shipping materi als for the carrier s inspection The Agilent Technologies Sales Office will arrange for repair or replacement at Agilent Technologies option without waiting for claim settlement Step 2 Connect Accessories and Power Cord e Although you can operate all instrument functions using only the front panel keys and track ball on portable models these accessories make your optical spectrum analyzer easier to use Connect any standard PC compatible mouse or other pointing device keyboard or external VGA compatible display Getting Started Setting Up the Analyzer m O accessor CAUTION Do not stack other objects on the keyboard this will cause self test failures on power on You can connect a PCL language printer for example an HP LaserJet to the instrument s rear panel Parallel connector Use a parallel Centronics printer cable such as an HP C2950A 2 m or HP C2951A 3 m a a The line cord provided is matched by Agilent Technologies to the country of origin on the order Refer to Accessories on page 1 28 Table 1 2 Line Power Requirements Voltage 100 115 230 240 V Frequency 50 60 Hz HP and Hewlett Packard are U S registered trademarks of Hewlett Packard Company 1 10 CAUTION CAUT
76. Key Path Save Recall gt Save Menu gt Save Remote Commands Measurement SAV Traces Only MMEMory STORe TRACe 3 68 Key Path Remote Commands Function Reference Save Graphics Save Setup Panel Save Graphics Save Setup Panel Saves graphic data in CGM or GIF format The CGM Computer Graphics Metafile format is a vector graphics format that describes pic tures and graphical elements in geometric terms The GIF Graphics Interchange format is a cross platform graphic standard GIF formats are com monly used on many different platforms and readable by many different types of software This selection is only valid when saving to the floppy drive Save Recall gt Save Menu gt Save Graphics HCOPy DEVice LANGuage GIF CGM Save Setup Accesses the setup panel to configure the save settings e file name create a file name automatically or manually e network file path network file share e save all measurement data or trace data only e save graphics save graphics and the graphic format save to save to a floppy disk or to the internal drive e save traces select trace s to save The Save Setup panel Setup Panel Selections Note Note Function Reference Save Setup File Name Selects manual or automatic mode for choosing a file name Catalog FLOPPY The Filename Menu setup panel Network File Path Uses the LAN local area network to print to designat
77. Marker Units Marker Setup Panel Delta Marker Units Marker Setup Panel Sets the delta marker X axis readout for frequency or wavelength when the instrument is in a non zero span The available selections are nm um Ang GHz and THz The default units are nm nanometers This setting controls all four delta markers The normal and bandwidth markers have their own settings Markers gt Marker Setup gt Delta Marker Units Delta Marker CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion DELTa X READout Display Mode Accesses the choice of log logarithmic or lin linear data display Amplitude gt Display mode DISPlay WINDow TRACe Y SCALe SPACing LINear LOGarithmic Display Setup Accesses the display setup panel selections which include active function area assist e Agilent logo date time e filter mode instrument panels e path change instrument panel e title 3 21 Setup panel selections Key Path Remote Commands Function Reference Display Setup Agilent Logo Xorn _J off Date Time Kon _J off Title Jo amp off Active Function Area Assist Xon off Path Change Instruction Panels X On _ Off Filter Mode Instruction Panels Kon off The Display Setup panel Agilent Logo When this function is ON the Agilent logo is shown on the display and printouts Date Time Turns the date and time ON or OFF on the display Title Turns the title ON or OFF on the display Active Functio
78. NETWork WORKgroup lt param gt Note Key Path User Source Multi Pt Align Adjusts the mechanical position of the instrument s internal optical components ensuring ampli tude accuracy of your measurements This function is semi automatic and aligns equally spaced points within the span and builds the current fiber trajectory table See Multi Point Align on page 3 41 Connect an external broadband source to the input connector of the instrument Then set the instrument to the desired values start and stop wavelengths input range 600 nm to 1700 nm span e gt 3nm for the external path Agilent 86146B only gt 25 nm for the internal path reference level must be greater than 78 dBm in a 10 nm resolution bandwidth at all points to be aligned The instrument auto aligns at equally spaced points within the span and builds the fiber trajectory table maximum of 32 points To add or adjust a single point in the trajectory table move the active marker to the specific wavelength location and press Auto Align amp Add to Trajectory The Multi Pt Auto Align progress window opens indicating the percentage of completion and the approximate time required for the alignment process To cancel the align press the instrument preset key This table is interpolated to create a linear set of corrections If Auto Align is executed after User Source Multi Pt Align all of the alignment tracking data will be shifted In this sense aut
79. Options and Accessories 1 27 Getting Started Filter Mode Built in Applications Getting Started Product Overview Product Overview The 8614xB series of optical spectrum analyzers provide fast accurate and comprehensive mea surement capabilities for spectral analysis e Full featured SCPI commands for programming instruments over LAN Display off feature for making faster measurements Remote file saving and printing for outputting measurement results e Filter mode for accurate and flexible measurements e Built in applications for accelerating test times The Agilent 861 46B filter mode allows single dense wavelength division multiplexing DWDM to be isolated and routed to external test equipment The filter mode capability is built in to internal applications to allow for fast and easy implementation of channel dropping For Agilent 86146B instruments this mode also allows the ability to measure time resolve chirp TRC Built in applications allow fast repeatable measurements for WDM systems lasers amplifiers and passive components These applications can be added through a firmware upgrade WDM Application This application allows you to measure DWDM sub system components such as transmission sub systems optical add drop multiplexers and multiplexers de multiplexers for parameters such as optical signal to noise ratio OSNR channel wavelength channel power and span tilt Passive Component Test Appli
80. SA Errors 1 of 2 Error Number Error Description description explanation examples 20001 20002 20003 20004 desc Error detected in ADC sub system help An error has been detected in the Analog to Digital converter subsystem Please record the hexadecimal number listed with the error and cycle power If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86740B Series Users Guide for a listing of the Agilent sales and service offices desc Error detected in slit positioning system help An error has been detected in the motor which controls the resolution bandwidth slit wheel Please record the hexadecimal number listed with the error and cycle power If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86140B Series Users Guide for a listing of the Agilent sales and service offices desc Error detected in grating positioning system help An error has been detected in the motor which controls the diffraction grating Please record the hexadecimal number listed with the error and cycle power If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86140B Series Users Guide for a li
81. Scale Div DISPlay WINDow TRACe Y SCALe RLPOS Remote File Share Panel Uses the LAN local area network to store recall or delete data to remote hard drives The data can then be accessed and shared among the users and printed on designated network printers See Recalling Measurement and Trace Data on page 2 23 To access the file and printer share softkeys you must first configure the network and enter the user share identity user profile information for remote shares The softkeys for file and printer share will then become available for selection System gt More System Functions gt GPIB amp Network Setup gt File Shares gt Remote File Shares Remote Printer Share MMEMORY FSHAre 1 213 4 PATH lt param gt MMEMORY FSHAre 1 213 4 ADDRess lt param gt 3 64 Function Reference Remote Printer Share Panel Note Key Path Related Functions Remote Commands Key Path Related Functions Remote Commands Remote Printer Share Panel Uses the LAN local area network to print to designated network printers See Recalling Mea surement and Trace Data on page 2 23 To access the file and printer share softkeys you must first configure the network and enter the user share identity user profile information for remote shares The softkeys for file and printer share will then become available for selection System gt More System Functions gt GPIB amp Network Setup gt Printe
82. XCursion PIT Pit Search Places a marker on the lowest amplitude trace point which meets the pit excursion criteria If no marker is on Marker 1 will be used for the pit search Key Path Markers gt More Marker Functions gt Marker Search Menu gt Search Mode Pit gt Pit Search Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MINimum 3 54 Key Path Remote Commands Key Path Remote Commands Function Reference Power Calibration Setup Power Calibration Setup Accesses the setup panel to set the calibration power and calibration wavelength Set Calibration Power is the exact amplitude of the calibration source that will be used for the next power calibration The power entered must be within 10 dB and 3 dB of the amplitude measured using the factory calibration Set Calibration Wavelength is the approximate wavelength of the calibration source that will be used for the next user power calibration The wavelength entered must be within 2 5 nm of the wavelength measured using the factory calibration Power Calibration External Path enables power calibration for the external fiber path path 2 Calibration for Path 1 is always enabled A 9 um patchcord must be connected between the Monochromator Output and the Photodetector Input before performing a power calibration on the external path System gt Calibration gt Power Cal Setup CALibration POWer CALibration WAVelength Power Display For 86
83. a SM_pCx rec Generic VMS DECnet Sessic a 1116 rte Generic X11R6 xterm E rns nc Generic VMS TCP IP DECte hpterm osa osanet com via TELNET Uris FAC Generic UNIX xterm sUn Generic Sun xterm agi rc Genetic SGI winterm a SCOTH Generic SCO scoterm a PEXSEIV IYC Generic VMS DECnet DE Cte linus tc Generic Linus xterm Fy dxterm rac Generic Digital Unix dxterm frener o gas e aa 1 xdmepind ree XDMCP Indirect Gemis I w xdmepbrd rse xDMCP Broadcast kusrbin x11Mhpterm fn 6x13 sb lIs display IP name T exec etc map_disp 1 From the PC Start menu locate and run the Reflection X emulator 2 From the emulator window enter the following information a Inthe Client Connection area left side of the window select hpux rxc b Inthe Method field select Telnet 4 7 Remote Front Panel Operation Remote Front Panel c Inthe Host Name field select the name assigned to the OSA d Inthe User Name field enter osaadm e Inthe Password field enter osaosa1 f Inthe Command field you will need to modify the existing command as follows usr bin x11 hpterm fn 6x13 sb ls display IP name T exec etc map_display amp g Click Connect to start the remote front panel controller 3 Continue to Using the Remote Front Panel on page 4 14 4 8 Remote Front Panel Operation Remote Front Panel Using the X Win 32 Emulator to Run the Remote Front Panel Below are the basic steps for se
84. ace A is placed in View On mode Trace math is mainly used to normalize the display during stimulus response measure ments Traces gt Trace Math OFF gt Default Math Trace C gt Lin Math C A B CALCulate3 MATH EXPRession TRA TRB Local Restores front panel control of the instrument Whenever the instrument is in Remote mode the RMT message is displayed on the instrument s screen and all keys are disabled except for the front panel Local key Local GPIB GoTo Local Command Log Math C A B Subtracts Trace B from Trace A point by point then stores the results in Trace C in logarithmic units If Trace A is in View On mode this function is continuous and occurs every sweep Results of the subtraction are referenced to 0 dB This often requires a reference level adjustment For example if the reference level is set at 40 dBm Trace A is at 50 dBm and Trace B is at 55 dBm the C A B function places Trace C at 5 dB Because this is off screen the reference level will need to be adjusted Traces gt Trace Math OFF gt Default Math Trace C gt Log Math C A B 3 31 Related Functions Remote Commands Key Path Related Functions Remote Commands Key Path Related Functions Remote Commands Function Reference Log Math C A B Log Math C A B Log Math F C D CALCulate3 MATH EXPRession TRA TRB Log Math C A B Adds Trace A and Trace B point by point then stores the results in Trace C in l
85. active marker is too far from that signal To correct this problem place the marker on the desired signal turn off all markers or disable the auto measure at marker function desc Sweep time auto is not allowed in zero span help The sweep time function was requested to switch from manual to auto while in zero span Automatic sweep time coupling cannot be done in zero span The desired sweep time must be set explicitly desc Noise marker not allowed help A request was made to enable the noise marker readout The readout cannot be enabled for one of the following reasons Noise markers cannot be used on traces which have X axis units other than meters This typically occurs in zero span where the X axis units are seconds Noise markers cannot be used on traces which have Y axis units other than power This typically happens when trace math is on and the trace Y axis represents a ratio desc Bandwidth markers are not allowed in zero span help A request was made to enable the bandwidth marker readout while the OSA was in zero span Bandwidth markers are not permitted when span is set to zero If a bandwidth marker readout is required set span to a value greater than zero desc Firmware Upgrade was not successful help gt A firmware upgrade operation was requested The firmware upgrade operation cannot be done at this time due to an internal software problem lt serviceCen
86. andwidth around the cur rently active marker If the bandwidth markers cannot be placed at the selected value an error message such as BW not found will be displayed See Using Span to Zoom In on page 2 7 Key Path Markers gt More Marker Functions gt Marker BW Related Functions Peak Search Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion BANDwidth STATe CALCulate 1 2 3 4 5 6 MARKer 1 213 4 FUNCtion BANDwidth INTerpolate 0 5 dB 3 dB 6 dB 10 dB 20 dB CALCulate 1 2 3 4 5 6 MARKer 1 213 4 FUNCtion BWIDwidth NDB CALCulate 1 2 3 4 5 6 MARKer 1 213 4 FUNCtion BANDwidth RESult Marker Off Turns the current active marker off Key Path Markers gt Active Marker gt Marker Off Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 STATe OFF CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 AOFF 3 33 Key Path Key Path Related Functions Remote Commands Function Reference Marker Search Menu Marker Search Menu Accesses the following marker peak and pit search functions peak or pit search mode e peak or pit search e next peak down left or right next pit up left or right e active markers The active markers can also be turned on or off from this menu which avoids returning to the Marker menu to change markers Markers gt More Marker Functions gt Marker Search Menu Marker Search Threshold Value Marker Setup Panel Sets the ampl
87. anical assem bly that holds the ferrule in position against another identical ferrule Connectors also vary in the polish curve and concentricity of the core within the cladding Mating one style of cable to another requires an adapter Agilent Technologies offers adapters for most instruments to allow testing with many different cables Figure 6 2 on page 6 9 shows the basic components of a typ ical connectors The system tolerance for reflection and insertion loss must be known when selecting a connector from the wide variety of currently available connectors Some items to consider when selecting a connector are e How much insertion loss can be allowed e Will the connector need to make multiple connections Some connectors are better than others and some are very poor for making repeated connections e What is the reflection tolerance Can the system take reflection degradation 6 8 Maintenance Cleaning Connections for Accurate Measurements e Is an instrument grade connector with a precision core alignment required e Is repeatability tolerance for reflection and loss important Do your specifications take repeatabil ity uncertainty into account e Will a connector degrade the return loss too much or will a fusion splice be required For exam ple many DFB lasers cannot operate with reflections from connectors Often as much as 90 dB isolation is needed Connecting Body and Ferrule 2 5 mm Mechanical Retainer Fiber 1
88. as occurred 5 14 Status Listings SCPI Defined Errors Table 5 4 Query Errors 2 of 2 Error Number Error Description description explanation examples lt digit gt lt SCPI header gt lt common header gt 410 Query INTERRUPTED Indicates that a condition causing an INTERRUPTED Query error occurred see IEEE 488 2 6 3 2 3 for example a query followed by DAB or GET before a response was completely sent Q rene D lt command query indication gt mnemonic gt indication gt 420 Query UNTERMINATED Indicates that a condition causing an UNTERMINATED Query error occurred see IEEE 488 2 6 3 2 2 for example the device was addressed to talk and an incomplete program message was received 430 Query DEADLOCKED Indicates that a condition causing an DEADLOCKED Query error occurred see IEEE 488 2 6 3 1 7 for example both input buffer and output buffer are full and the device cannot continue 440 Query UNTERMINATED after indefinite response Indicates that a query was received in the same program message after an query requesting an indefinite response was executed see IEEE 488 2 6 5 7 5 Status Listings OSA Notices OSA Notices System control related error messages or warnings The OSA system changed a setting and generated a warning that the operation was performed Table 5 5 System Control Errors or Warnings Error N
89. assified according to IEC 60825 1 Use of controls or adjustment or performance of procedures other than those specified herein may result in hazardous radiation exposure vi oy Contents Getting Started Product Overview 1 2 Setting Up the Analyzer 1 8 Making a Measurement 1 12 The Menu Bar 1 15 The Softkey Panels 1 16 Laser Safety Information 1 27 Product Options and Accessories 1 28 Using the Instrument Setting Up Measurements 2 2 Calibrating Wavelength Measurements 2 13 Saving Recalling and Managing Files 2 18 Analyzing Measurement Data 2 26 Analyzer Operating Modes 2 29 Function Reference Remote Front Panel Operation Remote Front Panel 4 2 Status Listings Overview 5 2 Error Reporting Behavior 5 4 SCPI Defined Errors 5 5 OSA Notices 5 16 OSA Warnings 5 17 Application Specific Warnings 5 29 OSA Status Errors 5 35 OSA Errors 5 36 Firmware Errors 5 38 Maintenance Changing the Printer Paper 6 2 Printer Head Cleaning Procedure 6 4 Cleaning Connections for Accurate Measurements 6 8 Returning the Instrument for Service 6 21 Contents 1 Contents 7 Specifications and Regulatory Information Definition of Terms 7 3 Specifications 7 5 Regulatory Information 7 19 Declaration of Conformity 7 20 Contents 2 Product Overview 1 2 Setting Up the Analyzer 1 8 Making a Measurement 1 12 The Menu Bar 1 15 The Softkey Panels 1 16 Laser Safety Information 1 26 Product
90. at the position of the active marker The measurement is referenced to 0 1 nm or 1 0 nm reference bandwidth The reference bandwidth used to normal ize the noise is selected on the marker setup panel For Agilent 86146B only if filter mode is enabled the noise marker delta marker and OSNR marker are disabled Markers gt More Marker Functions gt Noise Marker Active Marker CALCulate MARKer FUNCtion NOISe STATe OFF ON 0 1 Normal Delta Marker Interpolation Marker Setup Panel Turns the normal delta marker interpolation on or off When on the normal delta markers will be placed at the exact wavelength or frequency value selected if it is within the trace range The marker will linearly interpolate between two trace data points When off the marker will be placed on the nearest trace data point This setting enables interpolation for all four markers when in normal or delta mode Markers gt Marker Setup gt Normal Delta Marker Interpolation 3 44 Related Functions Remote Commands Key Path Related Functions Remote Commands Function Reference Normal Marker Units Marker Setup Panel Active Marker Delta Marker CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 INTerpolation Normal Marker Units Marker Setup Panel Sets the marker X axis readout for frequency or wavelength when the instrument is in a non zero span The X axis default units is nm nanometers This setting controls only the normal marker X
91. atement at all in the file desc A variable is expected help The statement expected a variable as an input parameter The line number indicates which statement did not have the proper input parameter type desc The path name has already been used help The application allows new names to be assigned to measurement paths Once assigned these names can no longer be used by other measurement paths Only the first thirty two characters are significant The line number indicates where the problem was found The word in the parentheses is the path name causing the problem desc A path name was used where a variable is expected help The input parameters for measurement statements can take variables as inputs These variables are the results of other measurement statements A path name is the name of a measurement path not the result of a measurement and cannot be used as an input parameter The input parameter was ignored for this case The line number indicates where the problem was found The word in the parentheses is the path name causing the problem desc A parameter value was outside the legal range help A parameter value was used which was outside the allowable range The first number in the parentheses is the number of the parameter causing the problem The other two numbers are the minimum and maximum values allowed These values are in base units e g meters watts
92. ation to be in watts regardless of the amplitude scaling 3 6 Note Note Note Function Reference Amplitude Setup Auto Ranging The Auto Range function allows the OSA to automatically change the gain of the transimpedance amplifier during a sweep This allows measurements to be made at the largest dynamic range and at the fastest sweep speed Pressing the front panel Preset key turns Auto Ranging ON It is recommended that Auto Ranging always be turned on Auto Zero Turns Auto Zero ON and OFF Auto Zero ON enables the internal amplifiers to be zeroed between sweeps Selecting OFF disables this feature Pressing the front panel Preset key resets this func tion to ON Turning Auto Zero off allows the instrument to sweep faster but results in less accuracy on low level signals The optical spectrum analyzer performs a more complete zeroing when the instrument is first turned on You can run this more complete routine anytime by pressing the Zero Now softkey Auto Chop Mode Not available on 86146B models Enables the optical spectrum analyzer chop mode Chop mode increases dynamic range for long sweep times by subtracting ambient light Subtracting the ambient light can improve sensitivity but slows down the sweep speed Pressing the front panel Preset key turns this function OFF Sweep times of 50 msec x the of trace points or longer use a special chop mode Chop mode increases dynamic range
93. ause the file name on the device media was in error for example an attempt was made to copy to a duplicate file name The definition of what constitutes a file name error is device specific desc Macro Exec Error help Indicates that a syntactically legal macro program data sequence could not be executed due to some error in the macro definition see IEEE 488 2 10 7 6 3 desc Illegal macro label help Indicates that the macro label defined in the DMC command was a legal string syntax but could not be accepted by the device see IEEE 488 2 10 7 3 and 10 7 6 2 for example the label was too long the same as a common command header or contained invalid header desc Macro recursion error help Indicates that a syntactically legal macro program data sequence could not be executed because the device found it to be recursive see IEEE 488 2 10 7 6 6 5 12 Status Listings SCPI Defined Errors Table 5 2 Execution Errors 3 of 3 Error Number Error Description description explanation examples 271 desc Macro redefinition not allowed help Indicates that a syntactically legal macro label in the DMC command could not be executed because the macro label was already defined see IEEE 488 2 10 7 6 4 278 desc Macro header not found help Indicates that a syntactically legal macro label in the GMC query could not be executed b
94. below the threshold value A dotted line is shown on the display at the threshold level Key Path Markers gt Marker Setup gt Use Marker Search Threshold Related Functions Pit Excursion Peak Excursion Marker Threshold Value Remote Commands CALCulate THReshold STATe User Profile for Remote Shares Accesses the username password and workgroup fields for access to your network Use the alphanumeric pad to complete the information After entering the information the file shares and printer shares softkeys will become available Key Path System gt More System Functions gt GPIB amp Network Setup gt User Share Identity gt User Pro file for Remote Shares Related Functions Printer Share Remote Commands SYSTem COMMunicate NETWork USERname lt param gt SYSTem COMMunicate NETWork PASSword lt param gt SYSTem COMMunicate NETWork WORKgroup lt param gt User Share Identity Opens a panel to fill in username password and domain Use the alphanumeric pad to complete the information After entering the information the file shares and printer shares softkeys will become available 3 89 Key Path Related Functions Remote Commands Function Reference User Source Multi Pt Align System gt More System Functions gt GPIB amp Network Setup gt User Share Identity File Share Printer Share SYSTem COMMunicate NETWork USERname lt param gt SYSTem COMMunicate NETWork PASSword lt param gt SYSTem COMMunicate
95. cal errors You can print the queue clear the queue or page up and down to view the information If no errors are generated the function will be shaded Key Path System gt Help gt Show Critical Errors Related Functions Show Hardware Errors Show Notices Show Warnings or Revision Remote Commands SYSTem ERRor 3 76 Function Reference Show HW Errors Show HW Errors Opens a window displaying hardware errors You can print the queue clear the queue or page up and down to view the information If no errors are generated the function will be shaded Key Path System gt Help gt Show HW Errors Related Functions Show Critical Errors Show Notices Show Warnings or Revision Remote Commands SYSTem ERRor Show Notices Opens a window displaying notices You can print the queue clear the queue or page up and down to view the information If no notices are generated the function will be shaded Key Path System gt Help gt Show Notices Related Functions Show Hardware Errors Show Critical Errors Show Warnings or Revision Remote Commands SYSTem ERRor 3 77 Function Reference Show Warnings Show Warnings Opens a window displaying warnings You can print the queue clear the queue or page up and down to view the information If no warnings are generated the function will be shaded Key Path System gt Help gt Show Warnings Related Functions Show Hardware Errors Show Critical Errors Show Notices or
96. calibration multipoint amplitude correction data User trace and mea surement files will be maintained See Preset on page 3 59 System gt More System Functions gt Service Menu gt Factory Preset IP Preset CALibration ALIGn PRESet Fast Meas Recall Accesses the fast measure recall function that recalls the measurement state previously saved as FASTSAVE dat in the internal memory by the Fast Measure Save function Refer to Recalling Data in Fast Meas Recall Mode on page 2 23 3 23 Key Path Related Functions Key Path Related Functions Key Path Remote Commands Function Reference Fast Meas Save Save Recall gt Fast Meas Recall Recall Fast Meas Save Fast Meas Save Accesses the fast measure save function to save the current measurement state to internal mem ory as FASTSAVE dat Allows a quick save of the current state which can then be recovered by the Fast Meas Recall function Only one FASTSAVE dat file exists so performing a Fast Meas Save will overwrite any currently existing Fast Save file Refer to Saving Data in Fast Meas Save Mode on page 2 19 Save Recall gt Fast Meas Save Save Fast Meas Recall File Name Save Setup Panel Selects automatic or manual mode for saving a filename When Auto is selected the measurement is automatically named and saved to an auto gener ated filename when the Auto Save softkey is pressed Measurement data is saved to the file na
97. cation This application simplifies the testing of passive components such as filters couplers and isola tors by defining a test plan that measures parameters such as insertion and return loss band width and filter shape Source Test Application This application offers automated optical source and laser characterization 1 2 Getting Started Product Overview Amplifier Test Application This application simplifies the process of characterizing gain and noise figure of optical amplifiers such as EDFA s SOA s and Raman amplifiers Menu bar Getting Started Product Overview Agilent 8614xB Front and Rear Panels Softkey Sets default Panels instrument Wavelength Step Disk state Amplitude keys drive Remote Program Control Markers Indicates Indicates Returns Traces Data Disk request for computer control to Bandwidth entry eject service control front panel Sweep Knob controls button E 86140B AN Aollont Sps Spcinn azer Power switch Auto Meas Center WL H Sweep Time H sew JHO Optical Input emer H cener H Auto Save Recall Application Measurement Calibrator Monochromator Align measurements sweep Opt 006 Output and traces indicator 9 125 um Print display on System Softkeys Light Source Photodetector int
98. ce Setup SOURce CATalog SOURce STATe Line Marker Menu Accesses the following line marker functions e Advanced Line Mkr Functions Line Markers Off e Wavelength Line Mkr 1 e Wavelength Line Mkr 2 Markers gt More Marker Functions gt Line Marker Menu Line Markers Off Turns off all line markers and line marker functions Markers gt More Marker Functions gt Line Marker Menu gt Line Markers Off CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SRANge OFF Lin Math C A B Subtracts Trace B from Trace A point by point then stores the results in Trace C in linear units If Trace A is in View On mode this function is continuous and occurs every sweep Results of the subtraction are referenced to 0 dB This often requires a reference level adjustment For exam ple if the reference level is set at 40 dBm Trace A is at 50 dBm and Trace B is at 55 dBm the C A B function places Trace C at 5 dB Because this is off screen the reference level will need to be adjusted 3 30 Key Path Remote Commands Key Path Remote Commands Key Path Remote Commands Key Path Function Reference Lin Math C A B Traces gt Trace Math OFF gt Default Math Trace C gt Lin Math C A B CALCulate3 MATH EXPRession TRA TRB Lin Math C A B Adds Trace A and Trace B point by point then stores the results in Trace C in linear units The results of this function often require a reference level adjustment Tr
99. cient signal power the automatic alignment will not be performed and an error message will be reported The Auto Align function saves and restores the current instrument state This allows the auto align to be used in the middle of a measurement routine If markers are turned on auto align attempts to do the automatic alignment at the wavelength of the active marker Auto Align Now will overwrite any previous align data The data returned by the alignment is stored for both the external 9 um and the internal 50 um path With the data stored for both paths the alignment for the internal path is improved due to the increased resolution bandwidth of the external path Once the align is complete or if you select No Auto Align the instrument will be ready to detect data through the external path After the routine has finished check that the display shows the wavelength range of interest of the external path Adjust if necessary Press Res BW Use the knob step keys or numeric keypad to enter the desired amount of resolution bandwidth filtering The 9 um optical path for filter mode uses the 0 04 nm resolution bandwidth The resolution bandwidths include 0 04 nm 0 05 nm 0 07 nm 0 1nm 0 2 nm 0 3 nm 0 5 nm 1 nm 2 nm 5 nm and 10 nm Press Take Sweep to update the display to show the results of the new resolution bandwidth filtering The light is output from the optical spectrum analyzer s front panel monochromator output co
100. computer time resolved chirp TRC of a modulated laser can be calculated TRC provides frequency or wavelength vs time information about a modulated lightwave signal Also called dynamic chirp the TRC graph provides useful information on the ability of a modu lated signal to propagate over long distances in optical fiber In dense wavelength division multi plexing DWDM systems excessive chirp also can cause inter channel interference The two significant factors of chirp are e dispersion which is a function of the transmission link s length and fiber type cross talk caused by chirp due to closely spaced channels A measurement could show the modulated signal square wave and the chirp The chirp fluctu ates with time and the frequency change seen at the falling and rising edge of the time domain The time resolved chirp solution measures e intensity versus time e frequency versus time e calculates the alpha factor The alpha factor is also referred to as linewidth enhancement factor One definition of a is a 2P Df Dp During initialization the instrument does an auto peak gathers information about the peaks and tunes the filter marker The unmodulated data in shown in the square wave pattern and the chirp is the frequency which runs through the square wave pattern To smooth the chirp signal increase the averages taken which will decrease the noise found on the signal Increasing the number of averages and using th
101. ction will only execute if the active trace X axis has units of meters um nm pm Change the active trace to one with an X axis in meters or re measure the active trace in a non zero span desc Wrong marker X axis units for active trace help The active marker cannot be placed on the active trace because the desired X axis units do not match the X axis units of the active trace This is normally caused by recalling a wavelength trace in zero span or a zero span trace in a wavelength span It can also be caused by loading a trace with conflicting units by remote control desc Trace not displayed wrong X axis units help View has been turned on for this trace but it cannot be displayed The X axis units in the trace do not match the X axis units being displayed This is normally caused by trying to view a wavelength trace in zero span or a zero span trace in a wavelength span It can also be caused by loading a trace with conflicting units by remote control 5 20 Status Listings OSA Warnings Table 5 6 OSA Warnings 5 of 12 Error Number Error Description description explanation examples 5051 5052 5053 5054 5055 5056 5057 desc AutoMeasure cannot find input signal at marker help The auto measure function was requested The auto measure at marker option was enabled but the active marker was not placed on a valid signal A valid signal was found but the
102. curate measurements a wavelength calibration should be performed each time measurement is recalled from memory Save Recall gt Recall Menu gt Recall 3 61 Function Reference Recall From Recall Setup Panel Remote Commands Measurement RCL Trace Only MMEMory LOAD TRACe File Share MMEMory CATalog FSHare1 FSHare2 FSHare3 FSHare4 Recall From Recall Setup Panel Selects whether the data is recalled from a floppy disk from internal memory or from network file share See Recalling Measurement and Trace Data on page 2 23 Key Path Save Recall gt Recall Menu gt Recall From Remote Commands RCL FLOPpy INTernal Network File Share MMEMory LOAD TRACe 3 62 Function Reference Recall Menu Note Key Path Remote Commands Key Path Related Functions Remote Commands Recall Menu Accesses the Recall Setup panel for the following settings e Recall all measurement data or trace data only e Recall From recall from a floppy disk or from the internal drive e Network File Share 1 2 3 4 Network File Path To insure accurate measurements a wavelength calibration should be performed each time measurement data is recalled from memory Save Recall gt Recall Menu MMEMory LOAD TRACe Reference Level Specifies the reference level value the maximum expected power to be measured at the refer ence level position The reference level position is indicated on the display
103. current measurement range settings capturing traces before processing them with math commands capturing traces before positioning markers Bandwidth Sweep gt Single Sweep Repeat Sweep INITiate MMediate Span Defines the wavelength measurement range for viewing the spectrum The span is set symmetrically about the center wavelength The resolution of the wavelength readout decreases with an increase in the span setting When the span is set to 0 the display s horizontal axis represents time instead of wavelength A span of 0 called zero span mode con figures the instrument as a fixed tuned receiver Refer to Using Span to Zoom In on page 2 7 Zero span mode requires that sensitivity be in Auto mode The wavelength measurement range can also be set using the Start WL and Stop WL functions If you increase the span around a center wavelength beyond one of the end wavelength limits the center wavelength will change to a value that will allow the span to increase For example if the center wavelength is set to 1680 nm and you increase the span to 100 nm the center wave length changes to 1650 nm in order to be able to accommodate the 100 nm span Wavelength gt Span 3 79 Related Functions Remote Commands Key Path Related Functions Remote Commands Key Path Related Functions Function Reference Start WL Start WL Stop WL Center WL SENSe WAVelength SPAN Start WL Sets the start wave
104. d Value 9888 dBm Noise Marker Reference Bandwidth X 0 1 nm _ 1 0 nm Peak Search at End of Each Sweep _ On 4 Off i OSNR Noise JPt X Auto _ Manual 6 468 PRR The Marker Setup panel 3 35 Setup Panel Selections Function Reference Marker Setup Normal Marker Units Sets the X axis immediately displayed marker information for frequency or wavelength when the instrument is in a non zero span This setting controls only the normal marker X axis and the delta reference immediately displayed information This setting controls all four normal markers The bandwidth and delta offset markers have their own settings BW Marker Units Sets the bandwidth marker X axis immediately displayed information for frequency or wave length when the instrument is in a non zero span The delta markers have their own setting This setting controls all four bandwidth markers Delta Marker Units Sets the delta marker X axis immediately displayed information for frequency or wavelength when the instrument is in a non zero span The bandwidth markers have their own setting This setting controls all four delta markers Normal Delta Marker Interpolation Turns the normal delta marker interpolation on or off When interpolation is ON the normal delta markers will be placed at the exact wavelength or frequency value selected if it is within the trace range The marker will linearly interpolate between two trace data points The default state is off
105. d delta offset mark ers have their own settings 3 15 Key Path Related Functions Remote Commands Key Path Remote Commands Function Reference Calibration Markers gt Marker Setup gt BW Marker Units Marker BW CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion BANDwidth READout Calibration Accesses the Power Cal Setup and Wavelength Calibration Setup softkeys The Power Calibra tion Setup panel will show the date of the last factory performed power calibration and the date of the last successful user performed power calibration It also allows you to set the calibration power and wavelength used for the next calibration Refer to Calibrating Wavelength Measure ments on page 2 13 Set Calibration Power is the exact amplitude of the calibration source that will be used for the next power calibration The power entered must be within 10 dBm and 3 dBm of the ampli tude measured using the factory calibration Set Calibration Wavelength is the approximate wavelength of the calibration source that will be used for the next user power calibration The wavelength entered must be within 2 5 nm of the wavelength measured using the factory calibration Pressing the Perform Calibration softkey will display on screen instructions for performing the cal ibration Systems gt Calibration CALibration POWer POWer CALibration POWer Wavelength Calibrator Multi Pt Align Adjusts the mechanical position o
106. d fiber end of the input connector saver presents a different cleaning challenge Because of the limited access within the recessed end it is not recom mended that alcohol be used in the cleaning process If not quickly wiped away with another cot ton swab or blown dry with compressed air alcohol can leave a residue which interferes with measurements We have found that in the recessed end of the connector saver it is difficult to prevent this alcohol residue buildup Ferrule End Recessed End To clean the ferrule end of the connector saver Apply isopropyl alcohol to a clean cotton swab Cotton swabs can be used making sure no cotton fibers remain after cleaning Although foam swabs can leave filmy deposits these deposits are very thin The risk of other contamination buildup on the connection surface greatly outweighs the risk of contamination by foam swabs Clean the adapter with a wet swab Clean the adapter with a clean dry swab Blow across the adapter using filtered dry compressed air Do not shake tip or invert compressed air canisters This releases particles from the can into the air flow Refer to the instructions on the compressed air canister 6 19 Maintenance Cleaning Connections for Accurate Measurements To clean the recessed end of the connector saver To clean the recessed end of the connector saver it is recommended that a wrapped tip swab or stick cleaner be used Berkshire s LT670183 wrapped tip c
107. d in Product Note 86140 2R Wavelength Calibration for the 86140X Series Optical Spectrum Analyzers Literature part number 5980 0043E Wavelength calibration routines improve wavelength accuracy by determining errors and cor recting them with offsets using linear interpolation when necessary For maximum wavelength accuracy calibration points spaced a maximum of 10 nm apart are recommended You can perform a wavelength calibration by using one of the following methods Manual Method using Internal Calibrator Remote Method using Internal Calibrator Manual Method using an External Single Wavelength Source Remote Method using an External Single Wavelength Source External Multipoint Wavelength Calibration These calibration routines should only be performed after the instrument s temperature has been stabilized by a minimum of 1 hour of continuous operation 2 13 NO ESS Sz Using the Instrument Calibrating Wavelength Measurements Internal Wavelength Calibration The optional internal calibrator 1513 to 1540 nm provides a convenient method for increasing wavelength accuracy when used with an internal Enhanced Wavelength Calibration EWC pro cess The wavelength accuracy of the OSA will be 0 2 nm over the full wavelength range of the instrument with 10 pm over 1480 to 1570 nm and 25 pm accuracy over 1570 to 1620 nm The EWC range can be selected for either the full OSA range of 605 nm to 1670 nm or the t
108. d of the error message Indicates that a legal program data element was parsed but could not be executed because the interpreted value was outside the legal range as defined by the device see IEEE 488 2 11 5 1 1 5 Status Listings SCPI Defined Errors Table 5 2 Execution Errors 2 of 3 Error Number Error Description description explanation examples 222 223 224 257 212 273 276 desc Span out of range help A numeric value was entered which is outside the legal range of values for the span setting This occurs if the value is too large less than zero or between zero and 0 2nm Zero span may not be entered by using the DOWN arrow key from 0 2nm a numeric value of zero must be entered instead Indicates that a legal program data element was parsed but could not be executed because the interpreted value was outside the legal range as defined by the device see IEEE 488 2 11 5 1 1 5 desc Too much data help Indicates that a legal program data element of block expression or string type was received that contained more data than the device could handle due to memory or related device specific requirements desc Illegal parameter value help Used where exact value from a list of possibles was expected desc File name error help Indicates that a legal program command or query could not be executed bec
109. d power 3 94 Key Path Remote Commands Key Path Remote Commands Key Path Remote Commands Function Reference Wavelength Offset Markers gt More Marker Functions gt Line Marker Menu gt Wavelength Line Mkr 1 2 Wavelength Line Marker 1 CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SRANge LOWer Wavelength Line Marker 2 CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SRANge UPPer Sweep Limit SENSe WAVelength SRANge UPPer Wavelength Offset Specifies the wavelength offset This is an offset between the measured wavelength and the dis played wavelength You can calibrate the TLS with a wave meter and correct for any offset Entering a value in the wavelength offset has no affect on the trace Wavelength gt Wavelength Setup gt Wavelength Offset SENSe WAVelength OFFSet Wavelength Setup Accesses the Wavelength Setup panel center wavelength step size user wavelength calibration date wavelength calibration wavelength offset wavelengths referenced in wavelength units Wavelength gt Wavelength Setup CALibrate WAVelength STATe ON CALibrate WAVelength STATe OFF SENSe WAVelength OFFSet SENSe WAVelength CENTer STEP INCRement 3 95 Key Path Key Path Remote Commands Function Reference Wavelength Units Wavelength Units Sets the display wavelength units to nm um or Ang Angtrom Ang is a unit of measurement of wavelength of light and other radiation equal to one ten
110. dding a title 2 18 System key 3 84 System menu 1 23 T ime displaying 3 22 ime setting 3 75 ime date displaying 3 19 3 84 itle creating 2 18 itle displaying 3 85 race resolution 3 81 save data 3 71 race math exchange menu 3 23 linear 3 30 3 31 logarithmic 3 31 3 32 measuring wl drift 2 28 Trace Math Off softkeys 3 85 3 86 Trace Offset softkey 3 87 traces Hold softkey 3 29 offset 3 87 recall data 2 23 reset hold 3 67 save data 2 20 update 3 88 view 3 92 Traces key 3 87 Traces menu 1 25 ransimpedance amplifier 2 8 3 49 3 96 Transz 2 3 Lock softkey 3 88 uning repeatability 7 3 utorial getting started 1 12 U Update On Off softkey 3 88 update trace 3 88 upgrading the firmware 3 27 user power cal date 3 7 wavelength calibration date 3 94 User Share 3 28 Index 5 Index User Share Identity 3 89 User Wavelength Cal Date softkey 3 91 V View Trace softkey 3 92 W wavelength calibration date 3 93 referenced value 3 94 setting cal source 3 94 Wavelength Cal Info softkey 3 93 Wavelength key 3 92 Wavelength Line Mkr softkey 3 94 Wavelength menu 1 26 Wavelength Offset softkey 3 95 wavelength setup panel center wavelength step size 3 18 wavelength units 3 96 web site information 1 11 Win 32 emulator 4 9 X X Win 32 emulator 4 9 X windows 4 9 4 12 Z Zero Now softkey 3 7 3 96 Zeroing the power meter 3 56 Index 6 www agil
111. des of the ferrule retainer get scraped and deposited on the end of the fiber during insertion of the cable a second cleaning should be performed It is not uncommon for a cable or connector to require more than one cleaning Agilent Technologies strongly recommends that index matching compounds not be applied to their instruments and accessories Some compounds such as gels may be difficult to remove and can contain damaging particulates If you think the use of such compounds is necessary refer to the compound manufacturer for information on application and cleaning procedures Table 6 3 Cleaning Accessories Item Agilent Part Number Cotton swabs 8520 0023 Small foam swabs 9300 1223 CAUTION CAUTION Maintenance Cleaning Connections for Accurate Measurements Table 6 4 Dust Caps Provided with Lightwave Instruments Item Agilent Part Number Laser shutter cap 08145 64521 FC PC dust cap 08154 44102 ST dust cover 1401 0291 To clean a non lensed connector Do not use any type of foam swab to clean optical fiber ends Foam swabs can leave filmy deposits on fiber ends that can degrade performance Apply pure isopropyl alcohol to a clean lint free cotton swab or lens paper Cotton swabs can be used as long as no cotton fibers remain on the fiber end after cleaning Clean the ferrules and other parts of the connector while avoiding the end of the fiber Apply isopropyl alcohol to a new clean lint free cott
112. device s response decrease the wavelength span to expand the trace This will enable you to precisely focus in on the desired measurement area Refer to Span on page 3 79 Press Wavelength gt Span and reduce the span by entering the value of 2 nm 2 7 Using the Instrument Setting Up Measurements Setting the Sensitivity Setting sensitivity requests the lowest amplitude signal that can be measured relative to the high est amplitude signal displayed It is defined as the signal that is six times the RMS noise The min imum setting is 100 dB An error will be reported for values outside of this range and the sensitivity will round to the nearest valid sensitivity Refer to Sensitivity on page 3 74 Manual allows manual input of sensitivities and enables auto gain ranging The top of screen and the sensitivity setting determines the requested dynamic range The system will sweep once per gain stage and may require up to three sweeps to achieve the requested dynamic range Auto automatically chooses a sensitivity and a single gain range based on top of screen This will result in approximately 40 dB of dynamic range The sweep time that is displayed in the lower portion of the display is the time for the OSA to sweep over one gain stage The OSA may take up to three sweeps in three different gain stages to make the measurement This depends on the settings for sensitivity reference level auto range and also
113. dicates which parameter is out of range 5 33 Status Listings Application Specific Warnings Table 5 7 Application Specific Warnings 6 of 6 Error Number Error Description description explanation examples 8036 desc The specification units do not match help The units for the minimum and maximum specification values need to match The line number indicates which statement has the mismatching units 8037 desc The specification units do not match the input units help The units for the minimum and maximum specification values need to match the units for the input parameters The line number indicates which statement has the mismatching units 5 34 Status Listings OSA Status Errors OSA Status Errors Table 5 8 OSA Status Errors Error Number Error Description description explanation examples 10000 desc Sweep Uncalibrated help The current setting of sweep time may be too fast This could result in an invalid measurement In certain cases it is possible to sweep faster than the coupled sweep time without compromising measurement accuracy Please refer to the users manual and relevant application notes for more information 11998 desc Too Many Hardware Status Errors help The Hardware Status Error list has overflowed Additional more recent items have been deleted 5 35 Status Listings OSA Errors OSA Errors Table 5 9 O
114. different platforms and readable by many different kinds of software The file is saved with gif extension GIF supports up to 8 bit color 256 colors Save to Allows you to choose between saving data to a floppy disk or to internal memory File Name Selects manual or automatic mode for choosing a file name If you have chosen Auto to select the file name press the Auto Save softkey The analyzer will generate a filename and save the file If you have chosen Manual to select the file name press the Choose File to Save softkey The Filename Menu setup panel opens Catalog FLOPPY The Filename Menu setup panel Entering a Filename Using the Arrow Keys Use the front panel step keys and and the arrow softkeys and to highlight each letter 2 21 Using the Instrument Saving Recalling and Managing Files of the filename When the desired letter or function is selected press the Select softkey Select the BackSpace function to delete individual letters Select the Clear Line function to delete the entire filename e When you finish entering the filename press the SAVE FILE softkey Entering a Filename using an External Keyboard There must be a PS 2 keyboard connected to the analyzer prior to bootup e Press TAB on the keyboard to highlight the entry field Enter the filename using the keyboard When you finish entering the filename press the SAVE FILE softkey 2 22 Note No
115. e hexadecimal number listed with the error and cycle power If the error persists contact the Agilent support center nearest your location 5 22 Status Listings OSA Warnings Table 5 6 OSA Warnings 7 of 12 Error Number Error Description description explanation examples 5066 5067 5068 5069 5070 6700 6701 6702 desc Error in Enhanced Wavelength Calibration help Enhanced Wavelength Calibration failed Check OSA system If the error persists contact the Agilent Service Center desc OSNR marker not allowed help A request was made to enable the OSNR marker readout The readout cannot be enabled for one of the following reasons OSNR markers cannot be used on traces which have X axis units other than meters This typically occurs in zero span where the X axis units are seconds OSNR marks cannot be used on traces which have Y axis units other than power this typically happens when trace math is on and the trace Y axis represents a ratio desc The configured SHARE does not exist help A request was made to a remote file or printer share that does not exist or cannot be found desc The configured SHARE cannot be accessed help A request was made to a remote file or printer share that cannot be accessed using the configured USER PASSWORD or DOMAIN WORKGROUP desc Trajectory add failed help The trajectory add procedure fa
116. e is shown on the display at the threshold level Marker Search Threshold Value Selects the amplitude threshold value used for limiting the marker search function Noise Marker Reference Bandwidth Sets the normalization bandwidth for the noise and OSNR marker There are two allowable set tings 1 nm and 0 1 nm Note Changing this value will change the value of the noise marker by 10 dB Peak Search at End of Each Sweep Finds the peak value of the trace and moves the active marker to the peak at the end of each sweep This function operates on the normal delta bandwidth noise markers and OSNR OSNR Noise Determines how the noise markers are to be calculated Pit Auto or Manual The default is Auto mode e Pit Uses the pit excursion criteria to find the closest pits from the center marker Noise markers will be placed at the two pits e Auto Uses a fixed offset coupled with the resolution bandwidth from the center marker RBW 2 5nm e Manual Uses a user specified fix offset from the center marker The default value is 0 4 nm and the step size is 0 2 nm when using the step keys This field is inactive when set to Auto or Pit Markers gt Marker Setup 3 38 Key Path Remote Commands Key Path Remote Commands Function Reference Marker to Center Marker to Center Changes the center wavelength to the wavelength of the active marker Markers gt Marker to Center CALCulate 1 2 3 4 5 6 MARKe
117. e longer patterns will increase the measurement processing time To shorten the measurement processing time either increase the power or decrease the number of averages See the TRC Option User s Guide for more details 2 34 Function Reference Key Path Related Functions Function Reference Function Reference Function Reference This chapter is an alphabetical reference of front panel keys softkeys and setup panel parame ters It is designed for quick information access For example during an operation you may find a key whose function is unfamiliar to you Note the key name and look the key up in this chapter Active Function Area Assist Sets the active function area to the first or top softkey function When this function is on the active area is automatically set For example when you press the front panel Wavelength key the active function area assist will set the active function to the Center WL You can immediately enter the desired center wavelength without pressing the Center WL softkey If this function is off the active dialog box will not appear on the display To access the individual dialog box press the desired softkey function System gt More System Functions gt Display Setup Move Active Area 3 2 Key Path Related Functions Remote Commands Key Path Related Functions Remote Commands Function Reference Active Marker Active Marker Accesses the menu that allows you
118. e of eight on screen locations To change the active function area location press the Move Active Area softkey until you are satisfied with the position System gt Move Active Area Move Power Display Area For Agilent86146B only Moves the power meter mode display area to one of eight on screen locations Appl s gt Measurement Modes gt Power Meter Mode gt Move Power Display Area DISPlay WINDow 1 POPup 1 2 3 4 ALL OFF ON1 2 Multi Point Align Accesses the internal external and multi point alignment functions e auto align amp add to trajectory auto align preset e calibrator multi pt align marker tune e user source multi pt align See Auto Align on page 3 9 System gt More System Functions gt Service Menu gt Adv Service Functions gt More Adv Service Menu gt Multi Point Align 3 41 Key Path Related Functions Key Path Remote Commands Key Path Remote Commands Function Reference New GPIB Address Remote Setup Panel New GPIB Address Remote Setup Panel Allows you to enter a new GPIB address To change the address use the numeric entry keys step keys or knob Press the Defaults softkey to reset the address to the factory preset default 23 System gt More System Functions gt GPIB amp Network Setup gt GPIB Address Current GPIB Address Next Peak Down Places the active marker on the next highest peak down from the current marker amplitude This
119. e programs If networking is not configured the command will generate a Settings conflict error Systems gt More System Functions gt GPIB amp Network Setup gt File Shares Printer Share SYSTem COMMunicate NETWork USERname lt param gt SYSTem COMMunicate NETWork PASSword lt param gt SYSTem COMMunicate NETWork WORKgroup lt param gt Filter Marker Tune For Agilent 86146B Filter Mode only Tunes the wavelength of the preselector During the preselector instrument mode the instrument acts as an optical filter at a fixed wavelength Although the instrument is not sweeping the dis played input range the last sweep remains displaying the input spectrum With filter marker tune softkey selected use the front panel knob step keys or numeric keypad to change the preselec tor wavelength Press Take Sweep to update the displayed response at any time The amount of filtering is determined by the resolution bandwidth setting Narrower resolution bandwidth settings will filter the signal more If the resolution bandwidth is changed Filter Marker Tune must be reselected to tune the monochromator Marker movement will not tune the monochromator unless Marker Tune is active The front panel single mode preselector monochromator connector allows the channel drop capability to the Agilent 86130A BitAlyzer error performance analyzer or the Agilent 86100A Infinium digital communication analyzer 3 25 Note Key Path
120. e valid signals near the noise floor when the peak excursion definition is less than 3 dB Thus before performing peak searches on signals near the noise floor reduce the peak excursion value However reducing the excur sion value often causes peak searches to identify noise spikes To avoid this misidentification use video averaging or video filtering to reduce the noise floor variance to a value less than the peak excursion definition Pit Excursion Sets the pit excursion value for the marker search routines The pit excursion value is used to determine whether or not a local minimum in the trace is to be considered a pit To qualify as a pit both sides of the local minimum must rise by at least the pit excursion value Changing the pit excursion The pit searches may not recognize valid signals near the noise floor when the pit excursion definition is less than 3 dB Thus before performing pit searches on sig nals near the noise floor reduce the pit excursion value However reducing the excursion value 3 37 Key Path Function Reference Marker Setup often causes pit searches to identify noise spikes To avoid this misidentification use video aver aging or video filtering to reduce the noise floor variance to a value less than the pit excursion definition Use Marker Search Threshold This limits the marker search function to data points above the selected threshold level When Marker Search Threshold is ON a dotted lin
121. ecause of improper input arguments This could be due to one or more input arguments having the wrong type or size or because one or more inputs are not defined desc Internal error in marker search help gt A marker search function has failed due to an internal software problem Please try the operation again If the error persists contact the Agilent support center nearest your location desc Math expression input cannot be boolean help A math expression could not be evaluated because one or more of the input arguments is boolean This function does not allow boolean input arguments desc Trace X axis values do not match help A math expression could not be evaluated because the input arguments have differing X axis values This function requires that all input arguments have identical X axis values All trace inputs must be taken with identical start stop settings desc Error in source trace help gt The source trace has an error The error may possibly be that the source trace contains no points Please try the operation again If the error persists contact the Agilent support center nearest your location desc Trace lengths do not match help A math expression could not be evaluated because the inputs have differing sizes trace lengths All inputs to this function must be of the same size desc Trace lengths do not match help A math ex
122. ecause the header was not previously defined Device specific errors An lt error event number gt in the range 399 300 or 1 32767 indicates the instrument has detected an error which is not a command error a query error or an execution error some device operations did not properly complete possibly due to an abnormal hardware or firmware condition These codes are also used for self test response errors The occurrence of any error in this class should cause the device specific error bit bit 3 in the event status register IEEE 488 2 section 11 5 1 to be set The meaning of positive error codes is device dependent and may be enumerated or bit mapped the lt error message gt string for positive error codes is not defined by SCPI and available to the device designer Note that the string is not optional if the designer does not wish to implement a string for a particular error the null string should be sent for exam ple 42 The occurrence of any error in this class should cause the device specific error bit bit 3 in the event status register IEEE 488 2 section 11 5 1 to be set Events that generate device specific errors shall not generate command errors execution errors or query errors see the other error definitions in this section lt Error event Fis cinta description gt Ronce lt Error event number gt 5 13 Status Listings SCPI Defined Errors Table 5 3 Device Specific Errors
123. ed network printers To access the file and printer share softkeys you must first configure the network and enter the user share identity user profile information for remote shares The softkeys for file and printer share will then become available for selection Network File Share Uses the LAN local area network to store recall or delete data to remote hard drives The data can then be accessed and shared among the users and printed on designated network printers To access the file and printer share softkeys you must first configure the network and enter the user share identity user profile information for remote shares The softkeys for file and printer share will then become available for selection Save Saves the measurement data in a binary format dat file This includes the traces and all mea surement conditions When the file is recalled the instrument state will be set to the same state as when the file was saved The Trace s Only option creates an ASCII csv file When the file is recalled the trace data will be displayed under the current instrument settings Save Graphics Allows you to save graphic data in one of two formats CGM Computer Graphics Metafile format is a vector graphics format that describes pictures 3 70 Key Path Remote Commands Key Path Function Reference Save Recall and graphical elements in geometric terms The file is saved with a cgm extension This selection is valid only
124. ed to enter the time zone settings for the OSA It is important that the OSA time and time zone are consistent with the network where it resides Select the Time Zone region in which the OSA resides then press OK Select the time and date for the OSA time zone and press OK Press Yes to confirm the correct time zone or press No if the information is not correct A window is displayed showing the current time and date of the time zone selected press Yes if correct or No to make corrections In the System Internet Address panel enter the Internet Address then press OK Press Yes if the address is correct When prompted to enter additional network parameters press Yes Enter the Subnetwork Mask and Gateway IP Address then press OK If the parameters are correct press Yes 4 4 16 17 18 19 20 Remote Front Panel Operation Remote Front Panel Enter the Domain Name System and DNS Server IP Address then press OK If the parameters are correct press Yes Press Close when the Register Node with Name Server window opens When prompted for the NIS Domain Name and NIS Server Name press Cancel This is not required for this application Press Done when the Network Configure window opens The Networking Configure Utility window will open Check the entered information If all the information is correct press OK or PRESS BACK to return to the network configuration menu The OSA will restart taking approximately five minut
125. een used the previous resolution bandwidth value Changing the following sweep parameters will set the Update Needed Indicator to on start wavelength stop wavelength sensitivity auto manual auto range enable disable sensitivity video bandwidth auto manual resolution bandwidth video bandwidth gated sweep enable disable sweep continuous single sweep time auto manual sweep time sweep trace length reference level dB per division reference level position Y scale linear log mode amplitude correction enable disable current active ampcorr correction set ampcor interpolation method vacuum or air wavelength offse number of averages for trace averaging The Update Needed Indicator is displayed in the upper right hand corner of the graticule After a sweep is taken the Update Needed Indicator will be set to off 2 12 Note Overview Using the Instrument Calibrating Wavelength Measurements Calibrating Wavelength Measurements Environmental variations such as air pressure temperature and humidity can affect the index of refraction of air in the monochromator of the optical spectrum analyzer OSA This section dis cusses calibration methods that you can use to improve the wavelength accuracy in the Agilent 8614xB OSAs Refer to Calibration on page 3 16 and to Calibrator Multi Pt Align on page 3 16 Many aspects of remotely programming the optical spectrum analyzers are discusse
126. el In the Map Display window a Welcome screen is displayed and you are given three command choices e Display accesses a diagnostic tool to show the display parameter setup e Enable accesses the remote front panel This command is used to stop the OSA from operating in normal mode and start operating in the Remote Front Panel mode The annotation Remote Front Panel On will be displayed on the hardware OSA display Disable turns the remote front panel off The remote front panel will close on the PC display and the OSA will restart and return and to normal mode A fourth command which is not displayed is Passwd e Passwd allows you to change the default password to one that is unique for you It is recom mended that you change the default password osaosa1 at this time Simply type Passwd at the prompt and enter a new password The new password must differ from the old password by at least three characters Once you changed the password you will need to remember it for future use You will not be able to access the remote front panel capabilities without the new password From the command prompt type Enable The remote front panel command will be displayed on the OSA and the OSA will be restarted You will be able to monitor the restarting process on the PC display Once the OSA has finished restarting the front panel will be activated on your PC display 4 14 File Measure Applications Options _ Ht
127. el that allows you to specify amplitude related functions amplitude correction mode amplitude correction sel e amplitude units auto chop mode e auto ranging e auto zero power calibration reference level position e user power cal date 3 5 Setup Panel Selections Note Function Reference Amplitude Setup File Measure Applications Options 10 00 10 00 Reference Level Position 3 0 Amplitude Units X Auto Auto Ranging X on Auto Zero X on Auto Chop Mode _ On Power Calibration User User Power Cal Date No User Cal Amplitude Correction Sel me 70 00 Amplitude Correction Mode X On The Amplitude Setup panel Reference Level Position The value selected for the Reference Level Position determines the position of the reference level on the graticule Setting this value to zero divisions places the reference level on the very bottom of the grid Setting the reference level to 10 divisions places the reference level at the top of the grid Pressing the front panel Preset key resets the reference level to 9 0 divisions When using the knob or step keys the value will automatically change When using the numeric entry pad enter a terminator that is selected from the softkey panel Amplitude Units Selecting Auto for amplitude units allows power to be shown in dBm when using the logarithmic scale and in watts when using the linear scale Selecting W forces the immediately displayed inform
128. elecom range of 1270 to 1670 nm a smaller span more relevant to telecommunications EWC must be enabled for the wavelength accuracy specifications to apply in the range selected Set ting the range to FULL will require a longer calibration time for an internal calibration but will provide enhanced wavelength accuracy over the full range Manual method using the internal calibrator Access the EWC setup panel System gt More System Functions gt Service Menu gt Adv Service Functions gt More Adv Service Menu gt Enhanced Wi Cal Setup Enable the function if necessary and select the desired calibration range Clean all connectors and connect the internal calibrator to the OSA input Access the Wavelength Calibration setup panel System gt Calibration gt Wavelength Cal Setup Set the signal source to Calibrator Press Perform Calibration Remote method using the internal calibrator CALibration WAVelength EWC FUNCtion ON CALibration WAVelength EWC RANGe TELE CALibration WAVelength INTernal NORMal lEnable enhanced wavelength calibration Select telecom 1270 1670 nm range for enhanced wavelength calibration Perform internal wavelength calibration The internal calibrator must be connected before sending this command 2 14 Using the Instrument Calibrating Wavelength Measurements External Single Wavelength Calibration Using an external single point calibration source allows the calibration to be do
129. elength If a marker is on the analyzer filter is tuned to the marker wavelength The last trace remains displayed to show the input spectrum before the filtering A marker shows the wavelength of the preselection You can change the filtered output preselection wavelength by 2 29 Using the Instrument Analyzer Operating Modes adjusting the marker s position then connecting the monochromator output to another instru ment If the input spectrum changes reconnect the monochromator output then press the Take Sweep softkey to capture a new sweep The single mode filter can be used in conjunction with the Agilent 86130A bitalyzer error perfor mance analyzer and or the Agilent 86100A infinium digital communication analyzer Time resolve chirp TRC measurements use the Agilent 86146B Option TRC and the Agilent 86100A digital communication analyzer 2 30 Using the Instrument Analyzer Operating Modes Table 2 6 Agilent 86146B unique operation 86146B Unique Operation External 9 um Fiber Connection Filter mode initialization e No default settings Markers used e Filter marker is the normal noise marker OSNR marker is the center marker e Bandwidth marker is the center wavelength marker Functions limited to e Fiber selection e Applications e Calibration e ADC Filter mode functions available e Transfer and restore state file in filter mode Save in filter mode Note Accessin
130. ent com Agilent Technologies GmbH 2005 Printed in Germany June 2005 Fourth edition June 2005 86140 90U03 fe Agilent Technologies
131. ep speed more than required See Setting Video Bandwidth on page 2 6 Normally the video bandwidth is coupled to the requested sensitivity Manually entering a video bandwidth sets Sensitivity to Auto The video bandwidth can be manually set from 100 mHz to 3 kHz or the bandwidth of the currently selected transimpedance amplifier whichever is less The following functions affect video bandwidth e changing the sensitivity value e changing the reference level e turning auto ranging on or off 3 91 Key Path Related Functions Remote Commands Key Path Related Functions Remote Commands Function Reference View trace The range of video bandwidths available in auto mode is much greater than can be set manually from the front panel A lower video bandwidth value requires a longer sweep time Because of the interdependence between the video bandwidth and sensitivity it is recommended that either the sensitivity or the video bandwidth be changed whichever is the most important to the mea surement task being performed Bandwidth Sweep gt Video BW Sensitivity SENSe BANDwidth BWIDth VIDeo AUTO SENSe BANDwidth BWIDth VIDeo View trace Allows trace A B C D E or F data to be viewed Viewed traces are not updated as sweeps occur unless the Update function is on Traces gt View Active Trace Update DISPlay WINDow TRACe TRA TRB TRC TRD TRE TRF ON Wavelength Accesses
132. ernal or Input external printer fa Secs 1 4 Getting Started Product Overview External monitor PC compatible Transimpedance ADC connection Auxiliary keyboard connector analog output sync out VGA compatible GPIB Mini DIN Service port PC compatible Printer for service mouse connector Ext trig connection technicians only Mini DIN rear_annote Current LAN port GPIB bus Line Source for remote power control Marker position oe Amplitude units Getting Started Product Overview Optical Spectrum Analyzer Display Mkr 1A 1316 34 nm 5 580 dBm 14 37 dBm 5 63 25 63 10 00 Amplitude scale Active trace 45 63 RBW VBY Start 65 63 55 63 Amplitude at reference level Marker TraceA Position of moveable reference level line 03 Mar 1999 1311 34 1316 34 1 00 nmasiv 1321 34 0 1 nm 37 45 dBm Intg 4 635 dBm In Over Swi 3 0 khz 75 3 m3 Avg 7700 User Horizontal Center 4 Horizontal units scale Figure 1 1 Optical Spectrum Analyzer Display Stop 1 6 Sweep position indicator for sweeps greater than 1 second Mikr 1 4 1316 34 nm 5 580 dBm 144 37 Getting Started Product Overview User entered title dBm 563 jilent i REF 4 37 dBm 65 63 85 63 1511 34 nm RBW 0 1 nm Sens VBW 3 0 kHz ST V
133. es 4 5 Remote Front Panel Operation Remote Front Panel Connecting to the OSA over the Network You can remap the OSA front panel over the network using a PC with an X windowing emulator or a UNIX workstation running X Windows The following X windowing emulators have been tested to ensure correct OSA remote front panel operation e Reflection X revision 8 0 2 e XWin 32 revision 5 0 UNIX with X Windows Refer below for specific setup instructions Before using the remote front panel ensure That the OSA is connected to the local area network LAN There are no Proxies between the OSA and the remote system That the underlying network must operate fast enough to allow for reasonable operation of the OSA e fusing a PC to run the remote front panel operation an X Windowing emulator is available on the PC With the exception of the power switch and knob all front panel OSA functionality is available when using the remote front panel You can access the OSA functionality via the main menu bar and make any data entries using the PC s keyboard 4 6 Remote Front Panel Operation Remote Front Panel Using the Reflection X Emulator to Run the Remote Front Panel Below are the basic steps for setting up the Reflection X emulator to run the OSA remote front panel Refer to the Reflection X documentation for further information X Client Manager Connection template Sem tcp HC Generic VMS TCP IP DECw
134. es If the noise level if higher than the signal level change to Pit Mode or manually adjust the offset 3 47 Key Path Remote Commands Function Reference OSNR Marker File Measure Applications Options Active Marker 0 2 3 4 of Functions Center Not Found error message Markers gt More Marker Functions gt OSNR Marker CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion OSNR STATe OFF ON 0 1 3 48 Key Path Remote Commands Key Path Function Reference Options Options Accesses the Current Source Setup and Light Source Output Setup softkeys Current Source Setup panel allows you to set the current limit enable pulse mode and synchro nize the ADC sync output See Current Source Setup on page 3 18 Light Source panel turns the desired light source on or off The number and type of sources dis played depends on the options installed See Light Source on page 3 29 System gt Options SOURce n STATe OSA Extended State Information Displays the OSA extended state information Align Pos Internal Align X Internal Align Y Internal Amp Corr e Grat Offset Grating Order e Hi Gain TransZ amplifier stage value e Line Spacing e Lo Gain Transz amplifier stage value 51 e Trajectory alignment Data Internal System gt More System Functions gt Service Menu gt Adv Service Functions gt More Adv Ser vice Menu gt Extended State Info 3
135. esc String data error help This error as well as errors 151 through 159 are generated when parsing a string data element This particular error message should be used if the device cannot detect a more specific error desc Invalid string data help A string data element was expected but was invalid for some reason see IEEE 488 2 7 7 5 2 for example an END message was received before the terminal quote character desc String data not allowed help A string data element was encountered but was not allowed by the device at this point in parsing desc Invalid block data help A block data element was expected but was invalid for some reason see IEEE 488 2 7 7 6 2 for example an END message was received before the length was satisfied 5 9 Status Listings SCPI Defined Errors Table 5 1 Command Errors 4 of 4 Error Number Error Description description explanation examples 168 170 171 178 181 183 desc Block data not allowed help A legal block data element was encountered but was not allowed by the device at this point in parsing desc Expression error help This error as well as errors 171 through 179 are generated when parsing an expression data element This particular error message should be used if the device cannot detect a more specific erro
136. et the peak excursion and threshold criteria If the specified marker is OFF it will be turned ON placed at the center wavelength and the search to he right will begin from that point Active Marker Turns a particular marker ON or OFF Turning a marker OFF will turn off any marker function that was on for that particular marker When the marker is turned ON again all the marker functions for that marker will be off The active marker is placed on the highest point of the active trace If no marker is ON Marker 1 will be turned ON and placed on the highest point of the active trace For addition information on setting the peak and pit excursion criteria see Peak Excursion and Pit Excursion on page 3 37 See Tips for Using Traces and Markers on page 2 26 3 52 Key Path Remote Commands Key Path Remote Commands Key Path Related Functions Remote Commands Key Path Remote Commands Function Reference Peak Search at End of Each Sweep Marker Setup Panel Markers gt Peak Search Markers gt More Marker Functions gt Marker Search Menu gt Search Mode Peak gt Peak Search CALCulate 1 2 3 4 5 6 MARKer 1 213 4 MAXimum Peak Search at End of Each Sweep Marker Setup Panel Finds the peak value of the trace and moves the active marker to the peak at the end of each sweep This function operates on normal delta and bandwidth markers Markers gt Marker Setup gt Peak Searc
137. etups and results are as follows Adding a Title to the Display Backing Up or Restoring the Internal Memory Saving Measurement Trace Data Recalling Measurement Trace Data File Sharing and Printing over a Network Adding a Title to the Display Refer to Title Display Setup Panel on page 3 85 and to Date Time Display Setup Panel on page 3 19 Press the front panel System key Press the Set Title softkey The Title Setup panel appears ey To enter a title using the keyboard press Tab to highlight the entry field The Title Setup panel To view the title on the display press More System Functions gt Display Setup and check the Title On box 2 18 Note Softkey Panel Selections Using the Instrument Saving Recalling and Managing Files Backing Up or Restoring the Internal Memory Press the front panel Save Recall key Press the Backup Restore Menu softkey The auto span value will not be saved with the measurement Refer to Backup Internal Memory on page 3 13 Backup Internal Memory a The analyzer Backup Utility screen appears asking you to insert a formatted floppy disk in the external drive The disk will not be viewable on a PC and no trace or measurement files can be saved onto the disk until it is reformatted b The Backup Internal Memory function overwrites the floppy disk with a new image Any exist ing files or catalogs on the floppy disk will be des
138. f the instrument s internal optical components ensuring ampli tude accuracy of your measurements Before initiating the alignment connect the internal cali brator to the front panel input connector Refer to External Multipoint Wavelength Calibration on page 2 16 3 16 Note Key Path Related Functions Remote Commands Key Path Related Functions Remote Commands Function Reference Center Wavelength WL The instrument automatically sets the start wavelength at 1490 nm stop wavelength at 1590 nm span and reference level and then performs a fully automatic internal auto align The input signal is aligned at equally spaced alignments minimum 50 nm spacing between points for the internal multi mode fiber or minimum 5 nm spacing between points for the external single mode fiber Agilent 86146B only Error 5056 Trajectory align cannot find input signal will occur if a broadband light source is not connected to the front panel input connector Error 5060 Trajectory align failed will occur if the align procedure failed System gt More System Functions gt Service Menus gt Adv Service Functions gt More Adv Ser vice Menu gt Multi Point Align gt Calibrator Multi Pt Align Auto Align amp Add To Trajectory Auto Align Preset User Source Multi Pt Align CALibration ALIGn INTernal Center Wavelength WL Sets the center wavelength using the knob step keys or numeric keys The span re
139. f the internal calibrator is selected this selection will not be available Set Calibration Wavelength for external calibration source only This is the exact wavelength of the calibration source that will be used for the next user wave length calibration The wavelength entered must be within 2 5 nm of the wavelength measured using the factory calibration If the internal calibrator is selected this selection will not be avail able User Multipoint Wavelength Calibration Data Selects either Offset or Replaced for the calibration data Offset will adjust the user multipoint data at all wavelengths to provide the best wavelength accuracy at the calibration source wave length Replaced will disable the multipoint data when used with an external source select Offset to re enable Replaced will delete multipoint data when used with the internal calibrator System gt Calibration gt Wavelength Cal Setup CALibrate WAVelength STATe ON CALibrate WAVelength STATe OFF CALibrate WAVelength NTernal Wavelength Line Mkr 1 2 Allows you to set the positions of the line markers Wavelength Line Mkr 1 is always to the left of Wavelength Line Mkr 2 When either one of the line markers is accessed the reduced section of the wavelength is highlighted in blue The line marker can then be set to the desired position using the knob step keys or numeric keypad This limits the measurement range of the sweep limit search limit and integrate
140. fter cleaning The foam swabs listed in this section s introduction are small enough to fit into adapters Although foam swabs can leave filmy deposits these deposits are very thin and the risk of other contamination buildup on the inside of adapters greatly outweighs the risk of contamination by foam swabs Clean the adapter with the foam swab Dry the inside of the adapter with a clean dry foam swab Blow through the adapter using filtered dry compressed air Nitrogen gas or compressed dust remover can also be used Do not shake tip or invert com pressed air canisters because this releases particles in the can into the air Refer to instructions provided on the compressed air canister 6 17 Maintenance Cleaning Connections for Accurate Measurements Care of Connector Savers The connector saver is used to protect the input connector of the OSA from damage It functions as a standoff between the front panel input connector and the input fiber If the fibers are not thoroughly cleaned repeated connections can result in a scratched chipped or dirty input con nector Contamination or damage to the connector will cause loss of signal and increased reflections resulting in poor return loss and measurement error With glass to glass interfaces any degradation of a ferrule or fiber endface any stray particles or finger oil on the endface can have a significant effect on connector performance Many times an instrument must be
141. g the filter mode for 86146B only Filter mode will not function in zero span The filter mode selection will be shaded out The current state before entering filter mode will not be saved A sweep will not be taken The reference level will not change Connect the light source to the optical spectrum analyzer s front panel monochromator input connector Connect the monochromator output to the photodetector input Press Appl s gt Measurement Modes gt Filter Mode Follow the external path align setup instructions and select either the Switch Path Auto Align Now or Switch Path No Auto Align Select the Switch Path Auto Align Now to perform an automatic alignment of the external path Select Switch Path No Auto Align if you do not have the monochromator output connected to the photodiode input or to preserve previous align data 2 31 Note Using the Instrument Analyzer Operating Modes Switch Path Auto Align Now switches to the 9 um filter mode path and performs an Auto Align This aligns the output of the monochromator with the photodetector input for improved ampli tude accuracy The automatic alignment procedure should be performed whenever the instru ment has been moved subjected to large temperature changes turned off then on and warmed up for an hour The automatic alignment requires the connection of an external light source This can be a broad band or narrowband source If there is insuffi
142. gilent 81000 series External 10 dB Attenuator FC PC Opt 030 Opt 030 Rack Mount Flange Kit Opt AX4 N A Transit Case 9211 2657 9211 5604 Soft Carrying Case N A Opt 042 BenchLink Lightwave Software Standard Standard a Agilent N1031A BenchLink Lightwave allows transfer of measurement results over a GPIB Interface to a PC for the purposes of archiving printing and further analysis 1 30 Getting Started Product Options and Accessories Front Panel Fiber Optic Adapters Front Panel Fiber Optic Adapter Description Agilent Part Number FC PC 08154 61702 SC 08154 61708 ST 08154 61704 Z DIN 08154 61703 a The FC PC is the default front panel optical connector 1 31 Getting Started Product Options and Accessories 1 32 Setting Up Measurements 2 2 Calibrating Wavelength Measurements 2 13 Saving Recalling and Managing Files 2 18 Analyzing Measurement Data 2 26 Analyzer Operating Modes 2 29 Using the Instrument Using the Instrument Setting Up Measurements Setting Up Measurements This section contains the following information that will help you set up a wavelength measure ment Adjusting Setup Conditions Operating the Internal White Light Source Averaging Traces Setting Video Bandwidth Using Span to Zoom In Setting the Sensitivity Triggering a Measurement Moving the Active Function Area Indicating an Update is Needed 2 2 Using the softkeys
143. h at End of Each Sweep CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MAXimum Peak to REF LEVEL Sets the value of the reference level equal to the value of the highest point on the active trace Amplitude gt Peak to REF LEVEL Reference Level CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MAXimum CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SRLevel Perform Calibration Performs a power or wavelength calibration after the setup has been specified by the user System gt Calibration gt Power Cal Setup gt Perform Calibration CALibration WAVelength NTernal 3 53 Function Reference Pit Excursion Marker Setup Panel Pit Excursion Marker Setup Panel Sets the pit excursion value for the marker search routines The pit excursion value is used to determine whether or not a local minimum in the trace is to be considered a pit For marker search functions a signal pit is defined as having a fall and then a rise in the dis played response of at least the pit excursion value Reducing the pit excursion to values less than 3 dB may cause the marker pitting functions to identify noise spikes as pits To reduce the noise floor variance to a value less than the pit excursion rate try changing the reference level at the top of the graticule and increasing sensitivity Key Path Markers gt Marker Setup gt Pit Excursion Related Functions Marker Search Threshold Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 PE
144. h the problem is specified within the parentheses Try re importing the specification file desc The default spec file was loaded help The default specification file for the application was loaded This is done when the application is first started or if a problem occurred when trying to load another specification file Refer to the previous warnings for information on any problems loading another file desc The spec file could not be found help The application tried to load a specification file which could not be found in the internal memory This may have occurred if the last file used by the application was deleted The filename is specified within the parentheses 5 31 Status Listings Application Specific Warnings Table 5 7 Application Specific Warnings 4 of 6 Error Number Error Description description explanation examples 8022 8023 8024 8025 8026 8027 8028 desc A closing quote is missing help The specification file contained a line with an opening quote but no closing quote could be found desc A default path name was used help The imported specification file was given a default path name All specification files must have at least one PATH statement before any of the measurement statements A default path name was used either because some measurement statements were used before a PATH statement or there was no PATH st
145. ibed as follows Specifications describe warranted performance Characteristics provide useful but nonwarranted information about the functions and perfor mance of the instrument Characteristics are printed in italics Absolute Accuracy after user cal refers to the wavelength accuracy after the user has per formed the internal wavelength calibration using a source of known wavelength Tuning Repeatability refers to the wavelength accuracy of returning to a wavelength after having tuned to a different wavelength Reproducibility refers to the amount of wavelength drift which can occur over the specified time while the optical spectrum analyzer is swept across a source of known wavelength FWHM refers to the Full Width Half Maximum resolutions that are available This indicates the width at the half power level of the signal after passing through the resolution slits 7 3 Amplitude Sensitivity Dynamic range Sweep time Specifications and Regulatory Information Definition of Terms Scale Fidelity refers to the potential errors in amplitude readout at amplitudes other than at the calibration point This specification is sometimes called linearity Flatness defines a floating band which describes the error in signal amplitude over the indicated wavelength range This error may be removed at a given wavelength by performing the user amplitude calibration Polarization Dependence refers to the amplitude change that can be
146. ible then a slight increase in signal level can sometimes be achieved by cleaning optical fiber connectors desc Trajectory align failed help The trajectory align procedure failed The trajectory adjustments computed were invalid This is usually occurs after the OSA has received a large mechanical shock To correct this problem try the trajectory align procedure again If the error persists contact the Agilent support center nearest your location desc Invalid marker trace help The marker could not be positioned The marker is on a trace which does not contain any valid data This is sometimes caused by a trace math result which is invalid desc ADC Triggered Sweep Too Fast help A sweep was taken with one of the ADC trigger modes enabled The sweep rate was too fast to allow trace data to be acquired for every wavelength To resolve this problem increase sweep time or increase the frequency the external trigger input signal desc Key disabled during applications help The key you pressed is not active while an application is running Exiting the application should re enable the key desc Invalid measurement file help An attempt was made to recall a measurement file which is contains invalid or corrupt data desc Error detected in DSP sub system help The Digital Signal Processor has reported an unexpected error Please record th
147. ic or string data was expected but block data was encountered desc GET not allowed help A Group Execute Trigger was received within a program message see IEEE 488 2 7 7 desc Parameter not allowed help More parameters were received than expected for the header for example the EMC common command only accepts one parameter so receiving EMC 0 1 is not allowed 5 7 Status Listings SCPI Defined Errors Table 5 1 Command Errors 2 of 4 Error Number Error Description description explanation examples 109 112 113 120 121 123 124 128 desc Missing parameter help Fewer parameters were received than required for the header for example the EMC common command requires one parameter so receiving EMC is not allowed desc Program mnemonic too long help The header contains more that twelve characters see IEEE 488 2 7 6 1 4 1 desc Undefined header help The header is syntactically correct but it is undefined for this specific device for example XYZ is not defined for any device desc Numeric Data Error help This error as well as errors 121 through 129 are generated when parsing a data element which appears to be numeric including the non decimal numeric types This particular error message should be used if the device cannot detect a more specific error
148. ice An unrecognized header was received Unrecognized headers include incorrect device specific 5 6 Status Listings SCPI Defined Errors headers and incorrect or unimplemented IEEE 488 2 common commands A Group Execute Trigger GET was entered into the input buffer inside of an IEEE 488 2 lt PRO GRAM MESSAGE gt Events that generate command errors shall not generate execution errors device specific errors or query errors see the other error definitions in this chapter Table 5 1 Command Errors 1 of 4 Error Number Error Description description explanation examples 101 102 103 104 105 108 desc Invalid character help A syntactic element contains a character which is invalid for that type for example a header containing an ampersand SETUP amp This error might be used in place of errors 114 121 141 and perhaps some others desc Syntax error help An unrecognized command or data type was encountered for example a sting was received when the instrument does not accept strings desc Invalid separator help The parser was expecting a separator and encountered an illegal character for example the semicolon was omitted after a program message unit EMC 1 CH1 VOLTS 5 desc Wrong Parameter Type help The parser recognized a data element different than one allowed for example numer
149. ideo Sweep bandwidth time Resolution Sensitivity bandwidth annote2 Figure 1 2 Display Annotations 03 1316 34 1 00 nmidiv 321 34 37 45 dBm Intg A 6 35 dBm In Vac Over Sweep 75 3 ms Avg 774100 User Cal Trace User Date averaging corrections applied Trace i Values Oversweep integration indicated for vacuum default Getting Started Setting Up the Analyzer Setting Up the Analyzer Step 1 Receive and Inspect the Shipment pkgcont 1 8 Getting Started Setting Up the Analyzer Table 1 1 Items in a Standard Agilent 8614xB Series Shipment Description Product Number Item Quantity BNC Cable 24 inches 8120 1839 1 GPIB Cable 8120 3444 1 FC PC Dust Cap 1401 0291 2 English User s Guide Manual 86140 90U03 1 Application Guide 86140 90071 1 Programming Guide 86140 90069 1 e Inspect the shipping container for damage e Inspect the instrument Verify that you received the options and accessories you ordered Keep the shipping container and cushioning material until you have inspected the contents of the shipment for completeness and have checked the optical spectrum analyzer mechanically and electrically If anything is missing or defective contact your nearest Agilent Technologies Sales Office Refer to Returning the
150. iled This usually occurs when the trajectory table is full or the computed trajectory table is invalid The correct this problem try AUTO ALIGN PRESET and the AUTO ALIGN amp ADD TO TRAJECTORY procedure again If the error persists contact the Agilent Service Center desc Math expression input parameter undefined help A math expression could not be evaluated because one or more input arguments are undefined Please check the spelling of all input arguments desc Math expression input parameter has error help A math expression could not be evaluated because an error is present on one or more of the input arguments The error must be cleared before the expression can be evaluated desc Math expression parameter has zero length help A math expression could not be evaluated because one or more input arguments has a zero length This is often caused when the subset of a trace contains no points such as when advanced line marker functions are turned on and the line markers are too close together It can also be caused when peak pit searches find no peaks or pits 5 23 Status Listings OSA Warnings Table 5 6 OSA Warnings 8 of 12 Error Number Error Description description explanation examples 6720 6721 6722 6723 6724 6725 6726 6727 6728 desc Math expression input parameter has error help A math expression could not be evaluated b
151. indicates which SWEEP statement has values out of range The number in the parentheses indicates which parameter is out of range desc The units of the inputs are not compatible help The units of the inputs to a math operation need to be compatible with the operation desired Addition and subtraction need to have matching units Multiplication needs to have a unitless parameter Division needs a unitless denominator or the units for the numerator and denominator need to match The line number indicates which statement had the mismatched input units desc The reference point is outside the SETUP range help The reference point value must be within the start and stop values of the SETUP statement The line number indicates which statement had the value out of range desc The values are associated with different axes help The variables used in a basic math operation like ADD or DIV must be associated with the same data axis e g wavelength or amplitude Mixing the axes values within a single math operation is not allowed The line number indicates which statement had the incompatible variables desc The search limits are outside the SETUP range help The search limits for statements like PEAK or CENTER_OF_MASS must be within the start and stop values of the SETUP statement The line number indicates which statement has values out of range The number in the parentheses in
152. instrument settings e wavelength span e resolution bandwidth e video bandwidth e sensitivity e trace length power level Coupling of these parameters yields optimum amplitude accuracy When Sweep Time is set to Auto the instrument always uses the fastest sweep possible while still maintaining the specified accuracy Coupled sweep times range from 56 3 mn to a maximum value that depends on the number of trace points used to draw the trace This relationship is shown in the following equa tion 56 3ms lt sweep time lt 1min trace points The default number of trace points is 1001 so the maximum sweep time is normally 100 sec onds When Sweep Time is in manual mode the sweep time can be set from 56 3 ms to a maxi mum of 1000 seconds If you change the number of trace points the maximum sweep time changes as well 3 81 Note Key Path Related Functions Remote Commands Function Reference Switch Path Auto Align Now If the sweep time is set too fast an over sweep message appears indicating the display is no longer calibrated and that trace data may not meet specifications Increase the sweep time until the over sweep message disappears If the sweep time is set too slow measurement times may be excessively long Bandwidth Sweep gt Sweep Time wavelength span resolution bandwidth video bandwidth sensitivity trace length power level SENSe SWEep TIME AUTO SENSe SWeEep TIME Switch Path Aut
153. internal memory Save Recall gt Save Menu gt Save To SAV FLOPpy INTernal Save Traces Save Setup Panel Selects the traces to be saved Select Save Traces and then select the individual trace s or all the current trace data See Saving Measurement and Trace Data on page 2 19 Save Recall gt Save Menu gt Save Traces MMEMory STORe TRACe Scale Div Specifies the dB per division of the vertical that is amplitude scale If Auto is specified in the Auto Measure Setup panel the measurement function sets the vertical scale based on the dynamic range of the signal If a particular vertical scale is desired use the step keys or key pad to enter the desired dB div in the dB dialog box The amplitude scale can be set from 0 01 to 20 dB per division The Preset value is 10 dB per division Amplitude gt Scale Div Display Mode Log Linear Reference Level DISPlay WINDow TRACe Y SCALe PDIVision 3 72 Key Path Remote Commands Key Path Remote Commands Function Reference Search Limit On Off Search Limit On Off When the search limit function is on all the marker peak pit searches will apply only to the range specified by the two wavelength line markers Markers gt More Marker Functions gt Line Marker Menu gt Advanced Line Mkr Functions gt Search Limit On Off CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 SRANge STATe Search Mode Peak Pit Allows you to select between peak and pit search
154. ion evaluation opera tions have taken place Rounding a numeric data element for example shall not be reported as an execution error Events that generate execution errors shall not generate Command Errors device specific errors or Query Errors see the other error definitions in this section Table 5 2 Execution Errors 1 of 3 Error Number Error Description description explanation examples 200 desc Execution error help This is the generic syntax error for devices that cannot detect more specific errors This code indicates only that an Execution Error as defined in IEEE 488 2 11 5 1 1 5 has occurred 213 desc INIT IMM command ignored help An initiate immediate remote command was received The instrument was in continuous sweep mode when the command was received The remote command is ignored unless the instrument is in single sweep mode To select single sweep mode use the INIT CONT OFF command 221 desc Settings Conflict Error help A request was made but the instrument settings resulting from the request are in conflict with each other Indicates that a legal program data element was parsed but could not be executed due to the current device state see IEEE 488 2 6 4 5 3 and 11 5 1 1 5 222 desc Data out of range help A numeric value was entered which is outside the legal range of values for the parameter The name of the parameter is listed at the en
155. ion set If the wavelength error is still this large the OSA may need to be serviced The wavelength calibration function is not intended to apply large arbitrary offsets Use the wavelength offset function for this purpose 5 17 Status Listings OSA Warnings Table 5 6 OSA Warnings 2 of 12 Error Number Error Description description explanation examples 5005 5006 5007 5008 5009 5010 5011 5012 desc Cal aborted amplitude correction too large help An amplitude calibration was requested The calibration was aborted since the correction needed is more than 3dB or less than 10dB Make sure you have done an Auto Align prior to calibration If the amplitude error is still this large the OSA may need to be serviced The amplitude calibration function is not intended to apply large arbitrary offsets Use the amplitude offset function for this purpose desc Cal aborted cannot find an input signal help The calibration procedure cannot find an input signal close enough to the wavelength and or amplitude specified Make sure the wavelength and or amplitude specified for calibration are correct and verify that an input signal of the correct wavelength and or amplitude is connected to the optical input desc Calibration aborted signal disappeared help The calibration procedure found a signal which subsequently disappeared Make sure the calibration signal i
156. ions b Inthe Host Name field enter the host name assigned to the OSA The host name can either be the name or IP address of the remote host you want to connect to for example osa osa net com or 247 109 121 43 c Inthe Login name field enter osaadm d Inthe Command field you will need to enter the command as follows usr dt bin hpterm display 141 121 12 345 0 0 exec etc map_display where 141 121 12 345 is the IP address for the PC that you are using now Commands are script files executed on the remote host that open X applications on the PC e Inthe Password field enter osaosa1 f Click Save and then OK to save the newly defined session From the PC Start menu click X Win 32 gt X Win 32 4 10 Remote Front Panel Operation Remote Front Panel You will notice that an X icon will appear in your windows tray usually located in the lower right hand part of your display S 7G OUx s30am 6 Click on the X icon and select the desired OSA session to run the remote front panel operation 7 Continue to Using the Remote Front Panel on page 4 14 4 11 Remote Front Panel Operation Remote Front Panel Note Using a UNIX Workstation to Run the Remote Front Panel In order to access the remote front panel from your UNIX workstation the X server must be set up to allow connection to the OSA xhost is the service access control program which allows this access for X Windows The xhost program
157. is used to add and delete host names to the list allowed to make connections to the X server This provides a rudimentary form of privacy control and security From the command prompt type xhost hostname Where hostname is the host name assigned to the OSA From the command prompt type telnet hostname and then press Enter to telnet to the OSA Remember that the hostname is the name that is assigned to the OSA When prompted for the login name type osaadm and then press Enter When prompted for the password type osaosa1 or your new password if you have already changed it and then press Enter At the prompt type etc map_display and then press Enter to start the remote front panel controller A Welcome screen is displayed and you are given three command choices e Display accesses a diagnostic tool to show the display parameter setup e Enable accesses the remote front panel This command is used to stop the OSA from operating in normal mode and start operating in the Remote Front Panel mode The annotation Remote Front Panel On will be displayed on the hardware OSA display Disable turns the remote front panel off The remote front panel will close on the PC display and the OSA will restart and return and to normal mode A fourth command which is not displayed is Passwd e Passwd allows you to change the default password to one that is unique for you It is recom mended that you change the default password osaosa
158. itude threshold value used for limiting the marker search function Any peaks below the threshold value will be ignored When the Marker Search Threshold is on a dotted line is shown on the display at the threshold level The Use Marker Search Threshold function in the Marker Setup Panel must be enabled or the Marker Search Threshold Value will be greyed out Markers gt Marker Setup gt Marker Search Threshold Value Pit Excursion Peak Excursion Marker Search Threshold CALCulate THReshold CALCulate THReshold STATe 3 34 Function Reference Marker Setup Marker Setup Accesses a menu that allows you to make changes to default marker settings From the setup panel you can make changes to Bandwidth Marker Interpolation On Off BW Marker Units Delta Marker Units e Marker Search Threshold Value e Noise Marker Reference Bandwidth Normal Delta Marker Interpolation On Off Normal Marker Units OSNR Noise Peak Excursion e Peak Search at End of Each Sweep On Off e Pit Excursion e Use Marker Search Threshold File Measure Applications Options Marker Setup Normal Marker Units nm Jum _ Ang _ GHz _ THz BW Marker Units Knm Jum Ang _ GHz _ THz Delta Marker Units nm Jum _fAng _ GHz _ THz A Normal Delta Marker Interpolation _ On X oft Bandwidth Marker Interpolation X On off Peak Excursion 3 00 dB Pit Excursion 3 00 dB Use Marker Search Threshold _J On X off Marker Search Threshol
159. l The Remote Front Panel capability provides a means to allow the front panel of the OSA to be operated remotely from a PC with an X Windowing emulator or a UNIX workstation with X Win dows With the exception for update time which is limited by the speed of the underlying network there should be no visible difference between what would be displayed on the OSA locally and the remote display Information and Equipment Required for the Configuration Process Before beginning the OSA network configuration process obtain the following required information from your Information Technology IT department In the OSA network configuration process an IP address and the associated hostname need to be assigned to the OSA and added to the DNS utilized by your PC or UNIX workstation Gateway and Net Mask information will also need to be specified in order for the OSA to communicate with the LAN The new Internet Protocol IP address is used to uniquely identify the network address of the OSA An IP address is a set of four decimal numbers separated by periods like 192 170 128 210 The Hostname associated with the IP address or the OSA Net Mask Subnetwork Mask is used to let the Internet Protocol separate the network ID from the full IP address and thus determine whether the source and destination IP address are on the same network Gateway address is used to communicate with devices on a different physical network The gate way addre
160. l Setup Panel System gt Printer Setup HCOPy DESTination Note Note Key Path Note Key Path Printer Shares Uses the LAN local area network to print data to network printers The data can be printed on designated PCL3 format or newer printers To access the printer share softkeys you must first configure the network refer to Connecting to the OSA over the Network on page 4 6 and enter the user share identity user profile informa tion for remote shares refer to File Sharing and Printing over a Network on page 2 25 The softkeys for file and printer share will then become available for selection Samba or Microsoft software must be installed to run the file share programs If networking is not configured the command will generate a Settings conflict error System gt More System Functions gt GPIB amp Network Setup gt Printer Shares Recall Recall Setup Panel Selects whether all measurement data or only trace data will be recalled from internal memory or floppy disk or network file shares See Recalling Measurement and Trace Data on page 2 23 When Measurement All Visible State is selected all instrument conditions will be recalled When the file is recalled the instrument state will be set to the same state as when the file was saved When Trace s Only is selected the trace data is displayed under the current instrument condi tions To insure ac
161. le Div selection sets the vertical scale to be used after performing the auto measure function If auto is specified the measurement function sets the vertical scale to a value based on the dynamic range of the signal If a particular vertical scale is desired deselect auto and put the desired dB div in the dB dialog box The default selection for dB div is auto AutoMeas at Marker turns the auto measure marker on or off Selecting the on state for auto measure at marker causes the auto measure function to perform its operation at the wavelength of the active marker This allows you to measure a signal other than the largest one found in a full span sweep The default selection for auto measure at marker is off Optimize Sensitivity when turned on causes the auto measure function to set the sensitivity so the resulting measurement has a minimal amount of noise It does this by finding the minimum in the measurement trace and comparing this value to the known sensitivity of the instrument at that wavelength Sensitivity is then reduced until the signal is close to this minimum sensitivity or the sweep time becomes too long The Optimize Sensitivity function is useful when viewing high dynamic range signals The drawback to turning this function ON is that it generally requires a longer sweep time to get better sensitivity The default selection for Optimize Sensitivity is OFF None of the Automeasure Setup parameters are affected by the front panel Pre
162. lem such as a temperature control loop being unsettled Status errors cannot be cleared by the user When the condition causing the error is corrected the error will go away A warning is displayed when the optical spectrum analyzer cannot satisfy a request from the user Parameter entries that are out of range illegal or unrecognized remote commands or missing hardware options can cause a warning to be displayed A warning can be displayed if a requested measurement for example AutoMeasure cannot be performed due to a missing input signal This message alerts the user the requested instrument setup can cause an invalid measurement For example manually setting the sweep time to a value that is too fast for other instrument set tings A user alert indicating something in the state of the instrument has changed For example if the user specifies a particular value for the current duty cycle a notice will be displayed when the optical spectrum analyzer modifies the pulse width 5 2 Status Listings Overview The following table lists the error numbers and their definitions Number Range Definition 1 to 999 1000 to 2999 3000 to 4999 5000 to 7999 8000 to 9999 10000 to 11999 12000 to 13999 20000 to 21999 22000 to 23999 30000 to 32767 Standard SCPI e OSA notices Application speci OSA warnings Application speci OSA status errors Application speci OSA errors rors fic
163. length The center wavelength and span are adjusted so that Start Center Span 2 Use the knob step keys or numeric keys to enter the desired value If the instrument is in zero span this command sets the center wavelength to the value specified The default setting for start wavelength is 600 nm Wavelength gt Start WL Span Stop WL Center WL SENSe WAVelength STARt Stop WL Specifies the stop wavelength The center wavelength and span are adjusted so that Start Center Span 2 Use the knob step keys or numeric keys to enter the desired value If the instrument is in zero span this command sets the center wavelength to the value specified The default for stop wavelength is 1700 nm Wavelength gt Stop WL Span Start WL Center WL 3 80 Remote Commands Key Path Remote Commands Function Reference Sweep Points SENSe WAVelength STOP Sweep Points Specifies the number of data points taken for a sweep The more data points the better the trace resolution but the longer the sweep time You can select from 3 to 10001 points Enter the num ber of data points using the step keys numeric key pad or knob The default is 1001 points Traces gt Trace Setup gt Sweep Points SENSe SWEep POINts Sweep Time Specifies the amount of time required for the instrument to sweep the current measurement range The instrument automatically selects sweep times based on coupling of the following
164. less value by watts desc Illegal combination of trace X axis units p A math expression could not be evaluated because the input arguments e e ave differing X axis units All input arguments must have identical X axis units This 0 n pe e Q mmonly happens when trace math is attempted between a zero span trace time units and a non zero span trace wavelength units desc Invalid combination of Y axis units help A math expression could not be evaluated because of an invalid combination of Y axis units The math operation being performed only allows one of the arguments to have units All other arguments must be unitless The math operator is shown in parenthesis in the short message above For example multiplying a trace in watts dBm by another trace in watts dBm is not permitted desc Too many inputs have Y axis units help A math expression could not be evaluated because of an invalid combination of inputs Only one input argument is allowed to have non blank Y axis units desc Trace has too many Y axes help A math expression could not be evaluated because of an invalid input One of the arguments contains multiple sets of Y data Only one set of Y data is allowed for this math function desc Math expression expects boolean inputs help A math expression could not be evaluated because of an invalid input The math function
165. level masks the noise To estimate the noise at the signal wavelength the OSA measures the noise power above and below the channel wavelength at the predetermined offset or pits depending on the Noise Method selected in the Marker Setup panel Next the values are linearly interpolated to deter mine the noise value at the channel wavelength 3 46 Function Reference OSNR Marker Error Messages OSNR error messages are displayed in red letters and are described below with suggestions to correct the error Noise Not Found can be displayed for two different conditions The first condition occurs when Pit mode is selected and the left or right marker is unable to find a pit using the Pit Excursion selected in the Marker Setup panel The second condition occurs when auto or manual mode is selected and the left or right marker is outside the span In this case the noise measurement is made at the span s end point File Measure Applications Options Noise Not Found error message Tip If this error occurs decrease the pit excursion when you are in pit mode increase the span when you are in auto or manual mode or select manual when you select auto mode to adjust the offset Center Not Found and OSNR Not Valid occurs if no signal or peaks are found OSNR Not Found occurs if the noise level is higher than the signal level Tip If no signal or no peaks are found error occurs reduce the peak excursion and or threshold valu
166. m x 1 2 m 2 ftx 4 ft and 4 6 cm 15 ft ground wire The wrist strap and wrist strap cord are not included They must be ordered separately 9300 0980 Wrist strap cord 1 5 m 5 ft 6 4 Maintenance Printer Head Cleaning Procedure Building Ground 1 Meg Ohm Resistor Building Ground Resistor Heel Strap Floor Mat Figure 6 1 Example of a static safe workstation To clean the printer head Table 6 2 Printer Accessories Agilent Part Number Description 9270 1605 Printer Paper 1 Turn off the Agilent 86140B series optical spectrum analyzer and remove the line power cord 2 Place the instrument at a static safe work station as described in the introduction to this procedure 3 Use a coin or screwdriver to open the printer door that is located on the top of the instrument CAUTION Avoid dropping the coin or screwdriver used to open the printer door into the printer assembly 4 Lift up the paper latch as shown in the following diagram and remove the paper 6 5 Maintenance Printer Head Cleaning Procedure Loosen screw then remove cover Open head lever Open position Tilt lever Printer elements of head lever towards rear cleanrol 5 Unscrew the retaining screw that secures the sheet metal cover that protects the printer head from electrostatic discharge Slide the sheet metal cover towards the retaining screw and then lift it straight up to remove 6 Lift the printer
167. mains con stant The center wavelength and the start and stop wavelength settings are related as follows Center Wavelength stop wavelength start wavelength 2 Wavelength gt Center WL Start WL Stop WL Span SENSe WAVelength CENTer 3 17 Key Path Remote Commands Key Path Key Path Key Path Related Functions Function Reference Center Wavelength Step Size Wavelength Setup Panel Center Wavelength Step Size Wavelength Setup Panel Specifies the center wavelength step size This is used for incrementing center wavelength using the and keys Wavelength gt Wavelength Setup gt Center Wavelength Step Size SENSe WAVelength CENTer STEP INCRement Configure Network Starts a utility that allows you to enable and configure networking Enter this menu only if you have all the necessary networking parameters Refer to File Sharing and Printing over a Net work on page 2 25 System gt More System Functions gt GPIB amp Network Setup gt Configure Network Current GPIB Address Remote Setup Panel Displays the GPIB address currently being used To change the address use the numeric keys step keys or knob to enter the new GPIB address information in the Remote Setup panel System gt More System Functions gt GPIB amp Network Setup gt GPIB Address Current Source Setup Accesses the Current Source Setup panel that allows you to turn on or off the current source set the cu
168. me ST_xxxxx dat and Trace s only is saved to the filename TR_xxxxx csv xxxxx represents a numbering system which is incremented each time the measurement data is saved For example the first time you save Trace s only data the filename TR_00001 csv will be assigned When Manual is selected pressing the Choose File to Save softkey will access the Filename Menu setup panel Use the front panel step keys knob or arrow softkeys to highlight and then select each letter in the filename Filenames can also be set with an external keyboard Refer to Entering a Filename using an External Keyboard on page 2 22 When you finish entering the filename press SAVE FILE Save Recall gt Save Menu gt File Name SAV 3 24 Note Note Key Path Related Commands Remote Commands Function Reference File Shares File Shares Uses the LAN local area network to store recall and delete files on remote hard drives The data can then be accessed and shared among the users To access the file and printer share softkeys you must first configure the network refer to Con necting to the OSA over the Network on page 4 6 and enter the user share identity user profile information for remote shares refer to File Sharing and Printing over a Network on page 2 25 The softkeys for file and printer share will then become available for selection Samba or Microsoft software must be installed to run the file shar
169. measure software There is an Please make a note of the text in parentheses at the end of the error message and cycle power If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 8614x series Users Guide for a listing of the Agilent sales and service offices 5 38 Changing the Printer Paper 6 2 Cleaning Connections for Accurate Measurements 6 8 Returning the Instrument for Service 6 21 Maintenance Maintenance Changing the Printer Paper Changing the Printer Paper Coin or screwdriver Twist latch 90 to open position Paper rolls to the bottom rear Slot Scroll knob Paper feeder Paper latch Paper feeds automatically with power on Push release tab back Pull roller bar up Load paper onto roller Thread paper through slot in door then close door and turn latch 90 to locked position Locked position loadpapr 6 2 CAUTION CAUTION CAUTION CAUTION Maintenance Changing the Printer Paper Avoid dropping the coin or screwdriver used to open the printer door into the printer assembly Always use Agilent brand paper to ensure quality printing and long printer life Order paper as Agilent part number 9270 1370 Never use the printer without printer paper as this can damage the printer head If the instrument is on the pa
170. n nector This light is filtered by the resolution bandwidth and attenuated by the monochromator loss light that is input to the front panel optical input connector Press Optical Filter Marker Tune Turn the front panel knob or press the step keys to tune the preselector to any displayed wavelength Connect the monochromator output to an instrument 2 32 Using the Instrument Analyzer Operating Modes 9 If the input light changes or if you change the span of the optical spectrum analyzer reconnect he monochromator output to the photodetector input and press Take Sweep to update the displayed trace with valid waveform data 10 Press Exit Filter Mode to return to normal optical spectrum analyzer operation The filter mode Save Recall function for the Agilent 86146B will work only in this model Note f the file saved in filter mode is recalled into an instrument with firmware revision B 04 02 a critical error occurs indicating a grating positioning failure Restart the instrument to clear the error and then continue making measurements 2 33 Using the Instrument Analyzer Operating Modes Time Resolved Chirp For Agilent 86146B option DPC only The Agilent 86146B with the filter mode capability will measure side mode suppression ratio SMSR wavelength and power With the addition of an Agilent 86100 Infinium Digital Commu nications Analyzer DCA dedicated software 86146B Option TRL and a personal
171. n Area Assist Automatically sets the Active Function Area when function is turned on to the first or top soft key For example when you press the front panel Bandwidth Sweep key the Active Function Area Assist function will set the Active Function Area to resolution bandwidth This means you can immediately enter the desired resolution bandwidth There is no need to press the Res BW softkey Path Change Instructions Panels For the Agilent 86146B Filter Mode only Allows the choice of disabling the external path align setup instructions Filter Mode instruction Panels For the Agilent 86146B Filter Mode only Allows the choice of disabling the auto align auto measure and take sweep setup instructions System gt More System Functions gt Display Setup DISPlay WINDow TEXT DATA lt string gt 3 22 Key Path Remote Commands Key Path Related Functions Remote Commands Function Reference Exchange Menu Exchange Menu Accesses the trace exchange selections which include A Exchange B B Exchange C e C Exchange A D Exchange A E Exchange A e F Exchange A Exchanges the X and Y axis data of the two traces The trace pairs that can be exchanged are Trace A with any trace and Trace B with Trace C Traces gt Trace Math gt Exchange Menu TRACe EXCHange Factory Preset IP Performs an instrument preset and clears user settings that are not affected by Preset That is alignment settings user
172. n into and out of the product must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the product by 4x C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts then forced convection must be used Install the instrument so that the detachable power cord is readily identifiable and is easily reached by the operator The detachable power cord is the instrument disconnecting device It disconnects the mains circuit from the mains supply before other parts of the instrument The front panel switch CAUTION CAUT CAUT CAUT CAUT General Safety Considerations is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and is easily reached by the operator may be used as a disconnecting device Always use the three prong AC power cord supplied with this instrument Failure to ensure adequate earth grounding by not using this cord may cause instrument damage Do not connect ac power until you have verified the line voltage is correct as described in Line Power Requirements on page 1 10 Damage to the equipment could result This instrument has autoranging line voltage input Be sure the supply voltage is within the specified range The Agilent 8614xB contain a light source cl
173. n scrape material off the inside of the connector or even break the inside sleeve of connectors made with ceramic material When inserting a fiber optic connector into a connector make sure that the fiber end does not touch the outside of the mating connector or adapter Avoid over tightening connections Unlike common electrical connections tighter is not better The purpose of the connector is to bring two fiber ends together Once they touch tightening only causes a greater force to be applied to the delicate fibers With connectors that have a convex fiber end the end can be pushed off axis resulting in misalignment and excessive return loss Many measurements are actually improved by backing off the connector pressure Also if a piece of grit does happen to get by the cleaning procedure the tighter connection is more likely to damage the glass Tighten the connectors just until the two fibers touch 6 13 Maintenance Cleaning Connections for Accurate Measurements Keep connectors covered when not in use Use fusion splices on the more permanent critical nodes Choose the best connector possible Re place connecting cables regularly Frequently measure the return loss of the connector to check for degradation and clean every connector every time All connectors should be treated like the high quality lens of a good camera The weak link in instrument and system reliability is often the inappropriate use and care of the connect
174. n the carton They may also cause instrument damage by generating static electricity Pack the instrument in the original shipping containers Original materials are available through any Agilent Technologies office Or use the following guidelines e Wrap the instrument in antistatic plastic to reduce the possibility of damage caused by elec trostatic discharge e For instruments weighing less than 54 kg 120 Ib use a double walled corrugated cardboard carton of 159 kg 350 Ib test strength e The carton must be large enough to allow approximately 7 cm 3 inches on all sides of the instrument for packing material and strong enough to accommodate the weight of the instru 6 23 Maintenance Returning the Instrument for Service ment e Surround the equipment with approximately 7 cm 3 inches of packing material to protect the instrument and prevent it from moving in the carton If packing foam is not available the best alternative is S D 240 Air Cap from Sealed Air Corporation Commerce California 90001 Air Cap looks like a plastic sheet filled with air bubbles Use the pink antistatic Air Cap to reduce static electricity Wrapping the instrument several times in this material will protect the instrument and prevent it from moving in the carton 4 Seal the carton with strong nylon adhesive tape 5 Mark the carton FRAGILE HANDLE WITH CARE 6 Retain copies of all shipping papers 6 24 Definition of
175. ne at a specific wavelength This single wavelength user calibration can be repeated as often as necessary to correct for environmental variations and existing multipoint wavelength offsets will be adjusted accordingly After a single wavelength calibration wavelength accuracy will be 10 pm within 10 nm of the reference signal The Enhanced Wavelength Calibration EWC process can also be used to increase the accuracy of the single point calibration Manual method using an external source Connect the external source to the OSA input Auto align the OSA to the input signal Access the Wavelength Calibration setup panel System gt Calibration gt Wavelength Cal Setup Select Air or Vacuum reference for the signal source Set the signal source to External Select the desired Calibration Wavelength This wavelength must be within 2 5 nm of the source wavelength Select Perform Calibration Remote method using an external source e Fora source with a single peak CALibration WAVelength VALue lt param gt ISet calibration wavelength CALibration WAVelength Calibrate signal at wavelength e Fora source with multiple peaks CALibration WAVelength VALue lt param gt Set calibration wavelength CALCulate MARKer 1 2 3 4 X WAVelength Set marker wavelength lt param gt CALibration WAVelength MARKer Calibrate signal at marker Note Tip Using the Instrument Calibrating Wavelength Measurements External M
176. nel con nector saver e After the instrument has warmed up for at least 1 hour perform an auto align by pressing the front panel Auto Align button This will ensure optimal amplitude accuracy and can correct for any mis alignment caused by the instrument shipment To learn more about this or any Agilent Technologies Optical Test and Measurement Products visit our web site at http www agilent com comms optical Getting Started Making a Measurement Making a Measurement This procedure will introduce you to the Agilent 861 4x series optical spectrum analyzer front panel controls By following this procedure you will do the following Perform an auto alignment Perform a peak search Use a delta marker Print the display Refer to The Menu Bar on page 1 15 and The Softkey Panels on page 1 16 8614 x OPTICAL SPECTRUM ANALYZER FABRY PEROT LASER 0000000 Optical Input 600 nm 1700 nm Optical Output Optical Fiber Cable perlaser Instrument setup A source signal must be present at the input of the optical spectrum analyzer In this procedure a Fabry Perot laser is used as the source You can use another source or the optional 1310 1550 nm eeled If another source is being used the display will differ from those shown To set the OSA to a known state e Press the front panel Preset key to set the instrument to a known state For a complete descrip tion of preset conditions see page 3
177. nels by using the drop down File menu Save Recall selection or the front panel Save Recall key Use these functions to save recall and print the measurement results inc ET Getting Started The Softkey Panels The Systems Menus You can access the System softkeys by using the front panel System key or the Options menu System selection on the menu bar The Systems menu 1 22 Getting Started The Softkey Panels The Systems Menus continued The Systems menu anf ad Getting Started The Softkey Panels The Traces Menus You can access the Traces softkeys by using the front panel Traces key or the Measure menu Traces selection on the menu bar The Traces menu 1 24 Getting Started The Softkey Panels The Wavelength Menus You can access the Wavelength softkeys by using the front panel Wavelength key or the Mea sure menu Wavelength selection on the menu bar The Wavelength menu Wavelength Units inn O um O An Wavelength Calibration O se E Factory User Wavelength Cal Date No User Cal Wavelength Offset 0 000 nm Center Wavelength Step Size 110 00 nm Wavelengths Referenced In Air j Vacuum 1 25 Getting Started Laser Safety Information Laser Safety Information e Laser Safety Information The light sources specified by this user guide are classified according to IEC 60825 1 2001 The light sources comply with 21
178. ntax error bad token help The grammar expression entered cannot be parsed Please check the string entered The bad token attempts to indicate where the error occurred The end of line indicates that the OSA expected more information Please consult the manual for additional help desc Unknown error detected help An unlisted error was reported by the instrument software If this error persists contact Agilent Technologies for assistance 5 27 Status Listings OSA Warnings Table 5 6 OSA Warnings 12 of 12 Error Number Error Description description explanation examples 7999 desc The warning list has overflowed help The Warning list has overflowed The last entries received have been deleted 5 28 Status Listings Application Specific Warnings Application Specific Warnings Table 5 7 Application Specific Warnings 1 of 6 Error Number Error Description description explanation examples 8001 8002 8003 8004 8005 desc Incorrect application type is listed in spec file help The application expects the first non comment line of the specification file to contain the APPLICATION keyword followed by the application type Either the APPLICATION keyword was missing or the wrong application type was specified for this particular application desc A keyword cannot be used as a variable name help The application has a lis
179. nterpolation on or off When on the bandwidth markers will be placed at the exact number of dB NDB from the normal marker if within the trace range The position of the marker will be linearly interpolated between the two nearest trace data points The default state is on If interpolate is off for negative number of dB NDB values the band width markers will be at values closest to and more negative then the NDB value For positive NDB values the bandwidth markers will be at values closest to and more positive than the NDB values This will typically result in a wider bandwidth measurement Markers gt Marker Setup gt Bandwidth Marker Interpolation Active Marker Delta Marker Bandwidth Marker CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 FUNCtion BANDwidth INTerpolation Bandwidth Sweep Accesses the menu that allows you to change bandwidth sweep settings fiber selection trigger mode and ADC sync You can also access these functions from the Measure menu Bandwidth Sweep selection The function keys include more BW sweep functions e repeat sweep res BW e select fiber e single sweep sweep time video BW BW Marker Units Marker Setup Panel Sets the bandwidth marker X axis readout for frequency or wavelength when the instrument is in a non zero span The available selections are nm um Ang GHz and THz The default unit is nm nanometers This setting controls all four bandwidth markers The normal an
180. nu gt Advanced Line Mkr Functions gt Trace Integ Integrate Limit Sweep Limit Search Limit CALCulate TPOWer STATe Trace Math Accesses the menu that allows you to manipulate and compare traces by adding or subtracting trace amplitude and display line data Trace Math characterizes changes due to environmental stimulus and displays the cumulative effect of multiple devices When using trace math the 3 86 Key Path Remote Commands Key Path Function Reference Trace OffSet traces must be obtained using identical wavelength scale and amplitude values Any difference in reference level amplitude units per division or amplitude units invalidates any data resulting from trace math See Using Trace Math to Measure Wavelength Drift on page 2 28 The following functions can be accessed e All Math Off Default Math Trace C Default Math Trace F Exchange Menu e Trace A Offset Traces gt Trace Math Off CALCulate 1 2 3 4 5 6 MATH STATe CALCulate 1 2 3 4 5 6 MATH EXPRession DEFine TRACe EXCHange Trace OffSet Offsets the active trace by the user specified value Traces gt Trace Math Off gt Remote Commands CALCulate 1 2 3 4 5 6 OFFSet Traces Accesses the menu that allows you to select and control traces Some of the functions available are e active trace e averaging e hold trace e trace input trace math e trace setup e update trace e view trace 3 87
181. o Align Now For 86146B Filter Mode only Switches to the 9 um filter mode path and performs an Auto Align To ensure maximum ampli tude accuracy connect the 9 um fiber between the monochromator output and the photodetec tor input and then press Switch Path Auto Align Now This aligns the output of the monochromator with the photodetector input for improved amplitude accuracy The automatic alignment procedure should be performed whenever the instrument has been moved e subjected to temperature changes gt 2 C turned off and warmed up for an hour at the start of each day The automatic alignment requires the connection of an external light source This can be a broad band or narrowband source If there is insufficient signal power the automatic alignment will not be performed and an error message will be reported The auto align function saves and restores the current instrument state This allows the auto align function to be used in the middle of a measurement routine If markers are turned on the auto align function attempts to do the automatic alignment at the wavelength of the active marker If the instrument is in zero span the alignment is performed at the center wavelength 3 82 Note Key Path Related Functions Remote Commands Key Path Related Functions Remote Commands Function Reference Switch Path No Auto Align The auto align now will overwrite any previous align data To preserve curren
182. o align is done on top of this alignment Error 5056 Trajectory align cannot find input signal will occur if a broadband light source is not connected to the front panel input connector Error 5057 Invalid settings for trajectory align will occur if the start and or stop wavelength settings are invalid Error 5060 Trajectory align failed will occur if the align procedure failed System gt More System Functions gt Service Menu gt Adv Service Functions gt More Adv Ser 3 90 Related Functions Remote Commands Key Path Related Functions Function Reference User Wavelength Cal Date vice Menu gt Multi Point Align gt User Source Multi Pt Align Auto Align amp Add To Trajectory Auto Align Preset Calibrator Multi Pt Align CALibration ALIGn EXTernal User Wavelength Cal Date Shows the date and time of the last successful user performed wavelength calibration Wavelength gt Wavelength Setup gt User Wavelength Cal Date Wavelength Calibration Video BW Specifies the bandwidth of the post detection video filter Filtering occurs after the detection of the light The minimum value for video bandwidth is 0 Hz The maximum value is the lesser value of either 3 kHz or the bandwidth of the currently selected transimpedance amplifier In the auto coupled mode the video bandwidth has an extremely wide range This allows the optical spec trum analyzer to avoid unnecessary filtering that would reduce the swe
183. o set a bandwidth value that is 1 of the span setting You can alter this behavior by manually setting the resolution bandwidth For the greatest measurement range and signal to noise ratio performance a resolution band width of 10 nm is recommended Narrower bandwidths can be used if greater wavelength reso lution is required Bandwidth Sweep gt Res BW SENSe BANDwidth RESolution AUTO SENSe BANDwidth BWIDth RESolution 3 66 Key Path Remote Commands Key Path Key Path Remote Commands Function Reference Reset Min Max Hold Reset Min Max Hold Resets trace hold data and returns to the Traces function keys where you can select an active trace trace input update view and hold functions Traces gt Hold trace gt Reset Min Max Hold CALCulate 1 2 3 4 5 6 MAXimum CLEar CALCulate 1 2 3 4 5 6 MINimum CLEar CALCulate 1 2 3 4 5 6 MAXimum STATe CALCulate 1 2 3 4 5 6 MINimum STATe Restore Internal Memory Accesses the instrument restore utility This operation will remove all existing files from internal memory that is measurement trace and specification sets and replace them with files from a floppy disk These files are created using the Backup Internal Memory function See Backing Up or Restoring the Internal Memory on page 2 19 Save Recall gt Backup Restore Menu gt Restore Internal Memory Revision Displays the instrument s firmware revision information See Help
184. of reflection the less reflection the better the larger the return loss the smaller the reflection The best physically contacting connectors have return losses better than 50 dB although 30 to 40 dB is more common 6 14 WARNING CAUTION Maintenance Cleaning Connections for Accurate Measurements Visual inspection of fiber ends Visual inspection of fiber ends can be helpful Contamination or imperfections on the cable end face can be detected as well as cracks or chips in the fiber itself Use a microscope 100X to 200X magnification to inspect the entire end face for contamination raised metal or dents in the metal as well as any other imperfections Inspect the fiber for cracks and chips Visible imper fections not touching the fiber core may not affect performance unless the imperfections keep the fibers from contacting Always remove both ends of fiber optic cables from any instrument system or device before visually inspecting the fiber ends Disable all optical sources before disconnecting fiber optic cables Failure to do so may result in permanent injury to your eyes Cleaning Connectors The procedures in this section provide the proper steps for cleaning fiber optic cables and Agilent Technologies universal adapters The initial cleaning using the alcohol as a solvent gently removes any grit and oil If a caked on layer of material is still present this can happen if the beryllium copper si
185. oftkey 3 52 Active Trace softkey 3 3 adapters 1 8 Agilent logo 3 4 Agilent logo displaying 3 22 alignment automatic 1 13 AMPCOR 3 8 amplitude accuracy increasing 3 12 correction 3 8 sensitivity 3 74 units setting 3 6 Amplitude functions AMPCOR 3 8 Amplitude menu 1 17 amplitude setup panel auto range 3 12 auto zero 3 12 reference level position 3 64 units 3 8 Applications functions filter mode 3 78 measurement mode 3 40 power meter mode 3 56 power meter zero 3 56 Applications menu 1 15 auto chop mode setting 3 7 ranging setting 3 7 zero setting 3 7 Auto Align key 1 13 Auto Meas key 1 13 auto ranging 3 12 auto zero 5 f Index function 3 96 setting 3 12 automatic alignment 1 13 Averaging softkey 3 13 B Backup Internal Memory softkey 2 19 3 13 Backup Restore Menu softkey 3 14 bandwidth markers 3 33 bandwidth marker 1 14 interpolation setting 3 36 units setting 3 36 Bandwidth Sweep menu 1 20 C calibrating the instrument 3 53 calibration cycle 7 2 date 3 91 date viewing 3 7 power 3 7 care of fiber optics 1 iv 1 11 Center Wavelength softkey 3 17 CGM graphic saving 2 21 characteristics 7 2 Choose Files to Save softkey 2 21 cleaning adapters 6 17 fiber optic connections 6 8 6 16 non lensed connectors 6 16 printer head 6 4 Configure Network softkey 3 18 connecting printer 1 10 connector care 6 8 continuous sweep 3 65
186. ogB Connect the Light Source Output to the Monochromator Input using the short 62 5 125 um fiber The standard connector interface is FC PC 2 4 Note Using the Instrument Setting Up Measurements Averaging Traces Trace averaging improves your measurement repeatability by smoothing out noise For measure ments involving slow polarization scrambling using video filtering to improve repeatability will require a very narrow video bandwidth less than 10 Hz This would result in a long measure ment time where trace averaging would be faster Refer to Averaging on page 3 13 From the front panel press Traces gt Averaging Toggle to select the Averaging on or off Select from the 10 20 50 or 100 softkeys or use the knob step keys or numeric entry pad to enter the desired average count For measurements with fast polarization scrambling video filtering adjusting video bandwidth is generally faster than trace averaging for similar repeatability requirement 2 5 Using the Instrument Setting Up Measurements Setting Video Bandwidth Video bandwidth filtering occurs after the detection of the light In the auto coupled mode the video bandwidth has an extremely wide range This allows the instrument to avoid unnecessary filtering that would reduce the sweep speed more than required Refer to Video BW on page 3 91 The instrument has two detection techniques peak auto mode and sample manual
187. ogarithmic units The results of this function often require a reference level adjustment Trace A is placed in View On mode Trace math is mainly used to normalize the display during stimulus response measure ments Traces gt Trace Math OFF gt Default Math Trace C gt Log Math C A B Log Math C A B Log Math F C D CALCulate3 MATH EXPRession TRA TRB Log Math F C D Subtracts Trace D from Trace C point by point then stores the results in Trace F in logarithmic units If Trace C is in View On mode this function is continuous and occurs every sweep Results of the subtraction are referenced to 0 dB This often requires a reference level adjustment For example if the reference level is set at 40 dBm Trace D is at 50 dBm and Trace C is at 55 dBm the F C D function places Trace F at 5 dB Because this is off screen the reference level will need to be adjusted Traces gt Trace Math OFF gt Default Math Trace F gt Log Math F C D Log Math C A B Log Math C A B CALCulate6 MATH EXPRession TRC TRD 3 32 Function Reference Marker BW Marker BW Measures the passband of the signal To enter the bandwidth amplitude of the bandwidth mark ers make a selection from the softkeys 3 dB 6 dB 10 dB and 20 dB or use the knob step keys or numeric keys Marker band width information is displayed at the top of the graticule If a peak search is not performed then pressing Marker BW finds the b
188. oint Or else you can use the Max Hold function to complete a trace over several sweeps Multiple sweeps fill the gaps because the high and low levels of the gating signal occur independent of the grating position Gated triggering has no time limit for the high or low level It can be used to characterize pulses as narrow as a few microseconds or to obtain a spectrum whose timing exceeds the maximum 6 5 ms delay of the ADC trigger mode 1 On the front panel press Bandwidth gt Sweep gt More BW Sweep gt Functions gt Trigger Mode 2 Select from int gated and ext 2 10 Using the Instrument Setting Up Measurements Moving the Active Function Area The active function area on the display can be moved to eight different locations This allows you to place the active area in a location that will not interfere with the trace information Refer to Active Function Area Assist on page 3 2 1 Press the front panel System key 2 Press the Move Active Area softkey Each press of the softkey moves the active function area to one of eight onscreen locations Using the Instrument Setting Up Measurements Indicating an Update is Needed This feature alerts you to take a sweep after changing any sweep related parameters when the analyzer is not in sweep mode For example if you change the resolution bandwidth the new resolution bandwidth is displayed on the bottom of the screen but the trace data displayed on the scr
189. ollowing conventions are used in this book Key type for keys or text located on the keyboard or instrument Softkey type for key names that are displayed on the instrument s screen Display type for words or characters displayed on the computer s screen or instrument s display User type for words or characters that you type or enter Emphasis type for words or characters that empha size some point or that are used as place holders for text that you type General Safety Considerations General Safety Considerations This product has been designed and tested in accordance with the standards listed on the Man ufacturer s Declaration of Conformity and has been supplied in a safe condition The documenta tion contains information and warnings that must be followed by the user to ensure safe operation and to maintain the product in a safe condition Install the instrument according to the enclosure protection provided This instrument does not protect against the ingress of water This instrument protects against finger access to hazardous parts within the enclosure WARNING WARNING WARNING WARNING CAUTION CAUTION CAUTION CAUTION CAUTION General Safety Considerations If this product is not used as specified the protection provided by the equipment could be impaired This product must be used in a normal condition in which all means for protecti
190. on are intact only No operator serviceable parts inside Refer servicing to qualified service personnel To prevent electrical shock do not remove covers This is a Safety Class 1 Product provided with protective earth The mains plug shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the instrument is likely to make the instrument dangerous Intentional interruption is prohibited To prevent electrical shock disconnect the instrument from mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally Fiber optic connectors are easily damaged when connected to dirty or damaged cables and accessories The Agilent 861 4x series s front panel INPUT connector is no exception When you use improper cleaning and handling techniques you risk expensive instrument repairs damaged cables and compromised measurements Before you connect any fiber optic cable to the Agilent 861 4x series refer to Cleaning Connections for Accurate Measurements on page 6 8 This product complies with Overvoltage Category Il and Pollution Degree 2 Do not use too much liquid in cleaning the optical spectrum analyzer Water can enter the front panel keyboard damaging sensitive electronic components VENTILATION REQUIREMENTS When installing the product in a cabinet the convectio
191. on swab or lens paper Clean the fiber end with the swab or lens paper Do not scrub during this initial cleaning because grit can be caught in the swab and become a gouging element mmediately dry the fiber end with a clean dry lint free cotton swab or lens paper Blow across the connector end face from a distance of 6 to 8 inches using filtered dry compressed air Aim the compressed air at a shallow angle to the fiber end face itrogen gas or compressed dust remover can also be used Do not shake tip or invert compressed air canisters because this releases particles in the can into he air Refer to instructions provided on the compressed air canister As soon as the connector is dry connect or cover it for later use If the performance after the initial cleaning seems poor try cleaning the connector again Often a second cleaning will restore proper performance The second cleaning should be more arduous with a scrubbing action 6 16 Maintenance Cleaning Connections for Accurate Measurements To clean an adapter The fiber optic input and output connectors on many Agilent Technologies instruments employ a universal adapter such as those shown in the following picture These adapters allow you to con nect the instrument to different types of fiber optic cables G Figure 6 8 Universal adapters Apply isopropyl alcohol to a clean foam swab Cotton swabs can be used as long as no cotton fibers remain a
192. or Because current connectors are so easy to use there tends to be reduced vigilance in connector care and cleaning It takes only one missed cleaning for a piece of grit to permanently damage the glass and ruin the connector Measuring insertion loss and return loss Consistent measurements with your lightwave equipment are a good indication that you have good connections Since return loss and insertion loss are key factors in determining optical con nector performance they can be used to determine connector degradation A smooth polished fiber end should produce a good return loss measurement The quality of the polish establishes he difference between the PC physical contact and the Super PC connectors Most con nectors today are physical contact which make glass to glass connections therefore it is critical hat the area around the glass core be clean and free of scratches Although the major area of a connector excluding the glass may show scratches and wear if the glass has maintained its pol ished smoothness the connector can still provide a good low level return loss connection f you test your cables and accessories for insertion loss and return loss upon receipt and retain he measured data for comparison you will be able to tell in the future if any degradation has occurred Typical values are less than 0 5 dB of loss and sometimes as little as 0 1 dB of loss with high performance connectors Return loss is a measure
193. or option provides an onboard wavelength reference that can be used to automatically calibrate the optical spectrum analyzer The calibrator is based on an EELED and an Acetylene gas absorption cell Acetylene Cell Wavelength Calibrator Block Diagram The acetylene absorbs light at very specific wavelengths based on the molecular properties of gas The cell is illuminated by an EELED and the OSA uses the absorption pits to perform a wave length calibration Since the absorption of the acetylene gas is a physical constant it never needs calibrating Wavelength calibrator absorption spectrum The wavelength calibrator enhances the OSA to achieve better than 10 pm wavelength accu racy and removes the need to use a tunable laser source and multi wavelength meter as an external reference 7 13 Table 7 15 Additional Parts and Accessories Agilent Benchtop OSA Agilent Portable OSA 86142B 86146B 86143B 86145B Printer Paper 5 rolls box 9270 1370 9270 1370 Additional Connector Interfaces See Agilent 81000 series See Agilent 81000 series External 10 dB Attenuator FC PC Opt 030 Opt 030 9 mm Single Mode Connector Saver Standard Standard Rack Mount Flange Kit Opt AX4 N A Transit Case 9211 2657 9211 5604 Soft Carrying Case N A Opt 042 BenchLink Lightwave Software Standard Standard a Agilent N1031A BenchLink Lightwave allows transfer of measurement results over a GPIB Interface
194. otton swab or Cletop stick cleaners have proven to be an effective cleaning solution To clean the recessed end of the connector saver insert the stick type cleaner and rotate it server times the same direction Each swab should only be used once While this may not remove all of the contaminants it will displace them away from the center of the fiber away from the core 6 20 Maintenance Returning the Instrument for Service Returning the Instrument for Service Agilent Technologies aims to maximize the value you receive while minimizing your risk and problems We strive to ensure that you get the test and measurement capabilities you paid for and obtain the support you need Our extensive support resources and services can help you choose the right Agilent products for your applications and apply them suc cessfully Every instrument and system we sell has a global warranty Support is normally avail able for at least five years beyond the production life of the product Two concepts underlie Agilent s overall support policy Our Promise and Your Advantage Our Promise means your Agilent test and measurement equipment will meet its advertised per formance and functionality When you are choosing new equipment we will help you with prod uct information including realistic performance specifications and practical recommendations from experienced test engineers When you use Agilent equipment we can verify that it
195. pens The Catalog setup panel 5 Use the arrow keys or Prev File Next File softkeys to highlight the desired file Press RECALL FILE to load the selected file 2 24 Using the Instrument Saving Recalling and Managing Files File Sharing and Printing over a Network This function uses the LAN to print to network printers and store recall or delete data on remote hard drives The data can then to be accessed and shared among the users and printed on desig nated printers To access the file and printer share softkeys you must first configure the network and enter the user share identity user profile information for remote shares The softkeys for file and printer share will then become available for selection Create a file or print share Configure the network Refer to Setting Up the OSA for Remote Operation on page 4 4 for instructions on how to configure the network From the front panel press System gt More System Functions gt GPIB amp Network Setup gt User Share Identity Enter the User Name Password and Workgroup Use the keyboard to enter the information or press Edit Field to access the User Workgroup Setup panel then close the panel From the Network Setup press File Share and enter the Share Path and optional IP address The format of the share path is server share name Please note that you cannot specify directories within the share Up to four remote file shares are available Pre
196. per feeder automatically scrolls whenever paper is inserted into the feeder Lift the paper latch to correct paper alignment problems The scroll knob allows you to manually advance the paper To avoid damage caused by losing parts and tools inside the instrument always turn the instrument off before installing the printer paper 6 3 WARNING CAUTION Static safe Work Station Maintenance Printer Head Cleaning Procedure Printer Head Cleaning Procedure Lint from normal use of the printer may eventually collect on the printer head and degrade print quality Use the procedure provided in this section to clean the printer head Also refer to Changing the Printer Paper on page 6 2 This servicing procedure is for use by qualified personnel only To avoid electrical shock do not perform this procedure unless you are qualified to do so Electrostatic discharge ESD can damage or destroy the printer Therefore this procedure must always be performed at a static safe work station igure 6 1 on page 6 5 shows an example of a static safe work station using conductive table nd floor mats and wrist and heel straps To ensure user safety the static safe accessories must rovide at least 1 MW of isolation from ground Refer to Table 6 1 for information on ordering atic safe accessories 2AT oOo TM Table 6 1 Static Safe Accessories Agilent Part Number Description 9300 0797 3M static control mat 0 6
197. ples 8006 8007 8008 8009 8010 8011 8012 8013 desc The specification file cannot be imported help An error occurred while trying to import the specification file Refer to the previous warnings for more information on specific errors in the specification file desc The specification file has a syntax error help One of the specification file lines has a syntax problem The problem occurred on the line number listed The string in the parentheses caused the problem desc A variable was used where a constant is expected help A variable name was used as a parameter where only a constant value or the DEFAULT keyword is allowed The line number indicates where the problem was found The variable name in the parentheses caused the problem desc The variable name has not been defined help An undefined variable name was used as a parameter for a specification All variables used as parameters must be defined in a specification statement preceding the variable s use The line number indicates where the problem was found The variable name in the parentheses is the undefined variable desc A variable can be used only once per statement help A variable name was used as multiple parameters for the same specification statement The input parameter was ignored because using multiple references is not allowed The line number indicates where the
198. ponse Measurements Stimulus response measurements characterize optical components for loss or gain versus wavelength You can characterize devices such as couplers switches filters fibers and amplifi ers To perform stimulus response measurements you must have an amplitude stable broadband light source Although a white light source provides the widest wavelength input for stimulus response measurements you can also use an LED or the spontaneous emission from an optical amplifier The displayed response is a convolution of the analyzer s resolution bandwidth and the amplitude response of the device under test Because of this convolution the analyzer s resolution band width affects both dynamic range and the ability to resolve large amplitude changes versus wavelength Wide resolution bandwidths increase the ability to resolve large amplitude changes You can display two responses at the same time The output response versus wavelength is dis played The displayed trace shows the ratio of the output power to the input power expressed as a logarithm dB response dB 10 log output power input power Making ratioed measurements is sometimes referred to as normalization Normalized measure ments are used to negate wavelength dependencies in the source The ratio is achieved through simple trace subtraction using logarithmic amplitude scales This is possible because of the fol lowing logarithmic equality log A B logA l
199. pression could not be evaluated because the inputs have differing sizes trace lengths All inputs to this function must be of the same size desc Y axis counts do not match help A math expression could not be evaluated because the inputs have differing numbers of Y axis data All input arguments to this function must have the same number of Y axis data points desc Incorrect number of inputs for math expression help A math expression could not be evaluated because the number of input arguments to the function is incorrect 5 24 Status Listings OSA Warnings Table 5 6 OSA Warnings 9 of 12 Error Number Error Description description explanation examples 6729 6730 6731 6732 6733 6734 6735 6736 desc Math expression expects units of dBm help A math expression could not be evaluated because the input argument does not have the required Y axis units of dBm desc Math expression expects units of watts help A math expression could not be evaluated because the input argument does not have the required Y axis units of watts desc Illegal combination of trace Y axis units help A math expression could not be evaluated because the combination of Y axis units in the input arguments do not make sense For example it is valid to divide watts by watts or to divide watts by a unitless value but it is invalid to divide a unit
200. problem was found The variable name in the parentheses is the variable causing the problem desc A keyword was used where a variable is expected help The application specification file has a list of reserved words which are used to specify the measurements to be made These keywords cannot be used as input parameters for specification statements The input parameter was ignored for this case The line number indicates where the problem was found The word in the parentheses is the reserved word causing the problem desc A label is required to identify the spec file help The label string is used to identify the specification file It is required after specifying the application type An empty string pair of double quotes is acceptable input desc The specification file cannot be exported help An error occurred while trying to export the specification file 5 30 Status Listings Application Specific Warnings Table 5 7 Application Specific Warnings 3 of 6 Error Number Error Description description explanation examples 8014 8015 8016 8017 8018 8019 8020 8021 desc Print statement ignored no path is specified help The PRINT statement needs to be after a PATH statement to indicate which PATH data is to be printed The PRINT statement at the line number specified came before any PATH statement This PRINT statement will not trigger
201. r desc Invalid expression help The expression data element was invalid see IEEE 488 2 7 7 7 2 for example unmatched parentheses or an illegal character desc Expression data not allowed help A legal expression data was encountered but was not allowed by the device at this point in parsing desc Invalid outside macro definition help Indicates that a macro parameter placeholder lt number was encountered outside of a macro definition desc Invalid inside macro definition help Indicates that the program message unit sequence sent with a DDT or DMC command is syntactically invalid see IEEE 488 2 10 7 6 3 Execution errors An lt error event number gt in the range 299 200 indicates that an error has been detected by the instrument s execution control block The occurrence of any error in this class shall cause the execution error bit bit 4 in the event status register IEEE 488 2 section 11 5 1 to be set One of the following events has occurred A lt PROGRAM DATA gt element following a header was evaluated by the device as outside of its 5 10 Status Listings SCPI Defined Errors legal input range or is otherwise inconsistent with the device s capabilities A valid program message could not be properly executed due to some device condition Execution errors shall be reported by the device after rounding and express
202. r 1 2 3 4 SCENter Marker to Ref Level Changes the reference level to the amplitude of the active marker Markers gt Marker to Ref Level CALCulate 1 2 3 4 5 6 MARKer SRLevel Markers Accesses a menu that allows you to select and control trace markers The Markers keys can be accessed using the front panel Markers key or the Measure menu Markers selection See Tips for Using Traces and Markers on page 2 26 Tips for Using Traces and Markers on page 2 26 and Using Trace Math to Measure Wavelength Drift on page 2 28 3 39 Key Path Related Functions Remote Commands Key Path Key Path Function Reference More Marker Functions Measurement Mode For Agilent 86146B only Accesses filter mode and power meter mode Appl s gt Measurement Modes Filter mode Power Meter mode INSTrument NSELect INSTrument SELect More Marker Functions Accesses the following marker search functions e delta marker marker BW e marker search menu OSNR marker noise marker Markers gt More Marker Functions More System Functions Accesses the following functions auto measure setup e display setup GPIB amp network setup e service menu e set time date e state info System gt More System Functions 3 40 Key Path Key Path Remote Commands Key Path Function Reference Move Active Area Move Active Area Moves the active function area to on
203. r Shares gt Remote File Share Remote File Share HCOPy DEVice PSHare 1 2 3 4 PATH lt param gt HCOPy DEVice PSHare 1 2 3 4 ADDRess lt param gt HCOPy DESTination SYSTem COMMunicate NETWork 1 2 3 4 Repeat Sweep Sweeps the spectrum continuously and updates the measurement data after each sweep Repeat Sweep ensures evenly timed sweeps for a stable display of the current tuning range Sweeps will continuously repeat as long as the instrument is in repeat sweep mode The SWEEP indicator light on the front panel of the instrument is on when the sweep is in progress See Sin gle Sweep on page 3 79 Bandwidth Sweep gt Repeat Sweep Single Sweep INITiate CONTinuous 3 65 Key Path Remote Commands Function Reference Res BW Res BW Sets the resolution bandwidth value to be used This determines the instrument s ability to display two closely spaced signals as two distinct responses The resolution bandwidth can be set to one of the following values For 86142B 86143B 86145B 0 06 nm 0 1 nm 0 2 nm 0 3 nm 0 5 nm 1 nm 2 nm 5nm 10 nm For 86146B internal path 0 06 nm 0 07 nm 0 1 nm 0 14 nm 0 2 nm 0 33 nm 0 5 nm 1 nm 2nm 5 nm 10 nm For 86146B external path 0 04 nm 0 05 nm 0 07 nm 0 1 nm 0 2 nm 0 3 nm 0 5 nm 1 nm 2 nm 5 nm 10 nm In Auto mode the resolution bandwidth is coupled to the span in a preset 0 01 1 ratio This means that the instrument attempts t
204. rd Case Soft center 126 um Fiber Centered to about 02 microns Figure 6 4 Cross section of the Diamond HMS 10 connector The nickel silver allows an active centering process that permits the glass fiber to be moved to the desired position This process first stakes the soft nickel silver to fix the fiber in a near center location then uses a post active staking to shift the fiber into the desired position within 0 2 mm This process plus the keyed axis allows very precise core to core alignments This connector is found on most Agilent Technologies lightwave instruments 6 10 Maintenance Cleaning Connections for Accurate Measurements The soft core while allowing precise centering is also the chief liability of the connector The soft material is easily damaged Care must be taken to minimize excessive scratching and wear While minor wear is not a problem if the glass face is not affected scratches or grit can cause the glass fiber to move out of alignment Also if unkeyed connectors are used the nickel silver can be pushed onto the glass surface Scratches fiber movement or glass contamination will cause loss of signal and increased reflections resulting in poor return loss Inspecting Connectors Because fiber optic connectors are susceptible to damage that is not immediately obvious to the naked eye poor measurements result without the user being aware Microscopic examination and return lo
205. re signals will be discerned but peaks in the noise floor may also be discerned as signals To reduce the noise floor variance to a value less than the peak excursion rate try using video averaging and or lowering the sensitivity Key Path Markers gt Marker Setup gt Peak Excursion Related Functions Marker Search Threshold Next Peak Down Next Peak Right Next Peak Left Remote Commands CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 PEXCursion PEAK 3 51 Note Function Reference Peak Search Peak Search Places a marker on the highest amplitude trace point If no marker is on Marker 1 will be used for the peak search Next Peak Down Places the marker on the next highest peak from the current marker amplitude This next highest peak must meet the peak excursion and threshold criteria If the specified marker is OFF it will be urned ON placed at the center wavelength and the search for the next maximum will begin from hat point Next Peak Left Places the marker on the next peak located at a shorter wavelength than the current marker wavelength position This next peak must meet the peak excursion and threshold criteria If the specified marker is OFF it will be turned ON placed at the center wavelength and the search to he left will begin from that point Next Peak Right Places the marker on the next peak located at a longer wavelength than the current marker wavelength position This next peak must me
206. requires all of it s arguments to be boolean At least one of the arguments is not boolean 5 25 Status Listings OSA Warnings Table 5 6 OSA Warnings 10 of 12 Error Number Error Description description explanation examples 6737 6738 6739 6741 6742 6744 6745 6746 6747 6748 desc Invalid math constant help During evaluation of a math expression an invalid constant was encountered The constant has undefined or default settings for it s X and or Y values desc Out of memory help A trace or math operation was requested There is insufficient memory available to perform the operation Try reducing trace length or cycle power desc Too many peaks or pits help A marker search operation was requested There are too many valid pits or peaks in the current trace Reduce the number of valid pits or peaks by increasing the peak or pit excursion setting desc Constant with multiple Y values help During evaluation of a math expression a constant was encountered which contains more than one Y value Constants are only permitted to have one Y value desc Requested amplitude not found help A math expression to search for a specific amplitude in a trace did not succeed There are no trace points with the desired amplitude desc Excursion should be in dB help The units for the excursion are not in dB desc
207. rker 3 3 All Off softkey 3 5 line markers 3 94 marker BW 3 33 marker off 3 33 marker to center 3 39 Index marker to reference level 3 39 moving between traces 2 27 peak search 3 52 peak to center 3 51 search limit 3 73 tips for using 2 26 Markers key 3 39 maximum sweep rate 7 4 Measure menu 1 15 measurement fast save 2 19 recalling data 2 23 recalling data in Fast Save mode 2 23 saving data 2 20 measurement modes power meter 3 56 Measurement Modes softkey 3 40 measuring delta between traces 2 27 passband 3 33 using markers 2 26 menu bar 1 15 Move Power Display Area softkey 3 41 N net mask 4 2 Network File Share 3 28 3 70 network printers 3 61 network setup 3 25 Next Peak Down softkey 3 52 Next Peak Left softkey 3 52 Next Peak Right softkey 3 52 Next Peak softkeys 3 42 3 43 Next Pit softkeys 3 43 3 44 noise declaration 7 19 marker reference bandwidth setting 3 38 markers 1 14 non normalized amplitude scale 3 3 normal marker 1 14 units setting 3 36 normal delta marker interpolation 3 36 normalized display scale 3 3 number of points sweep 3 81 D Index 3 Index 0 operating system revision 3 67 optimize sensitivity 3 11 Options menu 1 15 P package contents 1 8 packaging for shipment 6 24 panels setup 2 3 part numbers 1 29 Peak Excursion softkey 3 51 peak excursion setting 3 37 peak search 3 73 end of each sweep setting 3
208. rkers are currently used on multiple traces the Marker Status area located at the top of the display makes it easy to identify the state of each marker Information provided for each marker includes e Wavelength e Amplitude e The trace associated with the marker For example if marker 1 is on Trace A then the annotation will show Mkr 1 A In addition if there are two markers on then the delta of the wavelength and amplitude for the two different markers is also displayed For example Mkr 2 1 0 206 nm 0 002 dB 2 26 Using the Instrument Analyzing Measurement Data The color of the annotation denotes different characteristics of the markers e White annotation denotes the status of the currently active marker e Green annotation denotes the status of all currently used markers e Red annotation denotes that some type of an error occurred with the marker measurement Moving the Active Marker from One Trace to Another The following procedure shows you how to move the active marker marker 1 from Trace A to Trace B From the front panel press Markers gt Active Trace gt TrB to make Trace B the active trace Press Active Marker gt Mkr 1 Measuring the Difference between Traces The following procedure shows you how to find the amplitude and wavelength difference between the maximum peaks of two different traces Refer to Normal Delta Marker Interpola ion Marker Setup Panel on page 3 44 F
209. rom the front panel press Markers gt Active Trace and select the first trace to place a marker Press Active Marker gt Mkr 1 gt Peak Search to place the marker on the highest peak of the active race Press Active Trace and select the second trace to place a marker Press Active Marker gt Mkr 2 gt Peak Search to place the marker on the highest peak of the second race View the results of the measurement from the marker annotation at the top of the display The wavelength and amplitude of each trace marker is shown as well as the amplitude and wavelength difference of the peaks of the two traces 2 27 Using the Instrument Analyzing Measurement Data Using Trace Math to Measure Wavelength Drift From the front panel press Traces gt Active Trace gt TrA Press Single Sweep Bandwidth Sweep Single Sweep to update Trace A then press Traces Update A off Press Active Trace gt TrB Press Sweep gt Repeat Sweep On to continuously update the measured response on Trace B Press Traces gt Trace Math Default Math Trace C gt Log Math C A B You can now monitor the wavelength drift of your device over time Also Refer to Log Math C A B on page 3 31 Log Math C A B on page 3 32 and Log Math F C D on page 3 32 2 28 Using the Instrument Analyzer Operating Modes Analyzer Operating Modes This section discusses the following analyzer modes that you can use in specific meas
210. rpose Exclusive Remedies The remedies provided herein are Buyer s sole and exclusive remedies Agilent Technologies shall not be liable for any direct indirect special incidental or consequential damages whether based on con ract tort or any other legal theory Assistance Product maintenance agreements and other cus omer assistance agreements are available for Agi lent Technologies products For any assistance contact your nearest Agilent Technologies Sales and Service Office Certification Agilent Technologies Inc certifies that this product met its published specifications at the time of ship ment from the factory Agilent Technologies further certifies that its calibra tion measurements are traceable to the United States National Institute of Standards and Technol ogy NIST formerly the United States National Bureau of Standards NBS to the extent allowed by the Institutes s calibration facility and to the cal ibration facilities of other International Standards Organization members ISO 9001 Certification Produced to ISO 9001 international quality system standard as part of our objective of continually increasing customer satisfaction through improved process control Fourth Edition 86140 90U03 June 10 2005 Third Edition 86140 90U03 May 15 2004 Second Edition 86140 90068 January 1 2002 First Edition 86140 90035 February 1 2000 Safety Symbols CAUTION
211. rrent limit enable pulse width duty ratio and synchronize the ADC sync output Refer to Operating the Internal White Light Source on page 2 4 System gt Options gt Current Source Setup ADC sync current limit pulse width duty ratio 3 18 Remote Commands Key Path Related Functions Key Path Remote Commands Key Path Remote Commands Function Reference Date Time Display Setup Panel SOURce CURRent PULSe STATe ON OFF Date Time Display Setup Panel Turns the date and time on the display on or off When on the date and time will appear on the display s lower right corner of the display and on printouts System gt More System Functions gt Display Setup SYSTem TIMe Default Math Trace C tog Bs C A B C A nB or C A B The result is placed in Trace C The math operation is performed in linear units Defines the math expression to be used and turns the math operation on C A See Using Trace Math to Measure Wavelength Drift on page 2 28 Traces gt Trace Math Off gt Default Math Trace C CALCulate3 MATH STATE OFF ON 0 1 Default Math Trace F Defines the math expression to be used and turns the math operation on F C D The result is placed in Trace F The math operation is performed in linear units See Using Trace Math to Measure Wavelength Drift on page 2 28 Traces gt Trace Math Off gt Default Math Trace F CALCulate6 MATH STATE OFF ON 0 1
212. rst or last value as appropriate is used as the correction value Whenever AMPCOR is active the currently selected correction set is displayed in the lower left corner of the screen For example if correction set number one is selected A1 is displayed Refer to Amplitude Correction Remote Commands on page 1 24 of the Agilent 8614xB Series Optical Spectrum Analyzer Programming Guide for an overview of the ampli tude correction remote commands Amplitude gt Amplitude Setup Reference Level Sensitivity Amplitude Display Mode DISPlay WINDow TRACe Y SCALe LINear DISPlay WINDow TRACe Y SCALe LOGarithmic Amplitude Units UNIT POWer Auto Zero CALibration ZERO Reference Level Position DISPlay WINDow TRACe Y SCALe RPOSition Amplitude Units Amplitude Setup Panel Selects the amplitude scale s units Selecting Auto for amplitude units allows power to be shown in dB when using the logarithmic scale and in watts when using the linear scale Selecting W forces the readout to be in watts regardless of the amplitude scaling Amplitude gt Amplitude Setup gt Amplitude Units Display Mode Trace Marker Scale Div 3 8 Remote Commands Key Path Related Functions Remote Commands Function Reference Auto Align UNIT POWer Auto Align Pressing the auto align button on the front panel of the instrument performs an automatic align ment of the instrument using the largest signal found in a
213. ruc tions or to order a firmware upgrade kit visit or web site at http www agilent com comms osaupgrade Agilent 8614XA B Optical Spectrum Analyzer Firmware Microsoft Internet Explorer provided by Agilent Technologies Inc oe xj File Edit View Favorites Tools Help Q Back gt B A search Favorites EBristory E m Agilent Technologies Search in all of Agilent com Go Products amp Services Industries Customer Center About Agilent Registration United States Home gt gt Lightwave amp Photonic Me rement Solutions gt Optical Component Test gt Optical Spectral Analysis Mewes G Login Products gt 86 lance er gt 86146B High Performance Optical Spectrum Analyzer E Select a Country or Area 8614XA B Optical Spectrum Analyzer Firmware lt B Contact us p More Details Introduction i F Technical Support Firmware revisions are made to add enhancements and to fix defects We recommend that you use the latest version of firmware available The current version of firmware is revision 8 06 02 which began shipping July 11 2002 Library Events To see which revision of firmware you have press the front panel System key followed by Help then Revision The firmware revision is listed on the second line of the panel Other Links i a Pr 5 Order Status Find out what features have been added for each released revision 861 4xA B Firm
214. s connected to the optical input and try again desc Calibration was not successful help The requested calibration procedure did not complete successfully Verify the instrument setup and the presence of a valid calibration signal This problem can sometimes be caused by removing or changing the amplitude of the calibration signal during the calibration procedure In rare cases this error can occur after the OSA has received a severe mechanical shock Try running AutoAlign desc I O error help An error occurred while processing an input output request desc The floppy disk is full help There is not enough free space left on the floppy disk to contain the new file s Either make room on the existing floppy by deleting unwanted files or try a different floppy disk desc There is no disk in the floppy disk drive help An operation was requested which uses the floppy disk There is no disk detected in the floppy disk drive If there is a disk in the drive it may be of a format which cannot be read This problem can be fixed by inserting a disk in the floppy disk drive or replacing the current disk with one which is properly formatted desc The floppy disk is not formatted help An operation was requested which uses the floppy disk The disk currently in the drive does not appear to be formatted Use the format utility to format the disk or replace it with a formatted di
215. s representative Warranty This Agilent Technologies instrument product is warranted against defects in material and work manship for a period of one year from date of ship ment During the warranty period Agilent will at its option either repair or replace products that prove to be defective For warranty service or repair this product must be returned to a service facility designated by Agilent Buyer shall prepay shipping charges to Agilent and Agilent shall pay shipping charges to return the product to Buyer However Buyer shall pay all ship ping charges duties and taxes for products returned to Agilent from another country Agilent warrants that its software and firmware designated by Agilent for use with an instrument will execute its programming instructions when properly installed on that instrument Agilent does not warrant that the operation of the instrument software or firmware will be uninter rupted or error free Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation out side of the environmental specifications for the product or improper site preparation or mainte nance o other warranty is expressed or implied Agilent Technologies specifically disclaims the implied war ranties of Merchantability and Fitness for a Particular Pu
216. s value usually wavelength than the current marker position This pit must meet the pit excursion and threshold criteria If the speci fied marker is off it will be turned on and placed at the center wavelength or frequency Markers gt More Marker Functions gt Marker Search Menu gt Next Pit Left CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MINimum LEFT Next Pit Right Places the marker on the next pit located at a higher X axis value usually wavelength than the current marker position This pit must meet the pit excursion and threshold criteria If the speci fied marker is off it will be turned on and placed at the center wavelength or frequency Markers gt More Marker Functions gt Marker Search Menu gt Next Pit Right CALCulate 1 2 3 4 5 6 MARKer 1 2 3 4 MINimum RIGHt 3 43 Key Path Remote Commands Function Reference Next Pit Up Next Pit Up Places the active marker on the next lowest pit from the current marker amplitude This pit must meet the pit excursion and threshold criteria If the specified marker is off it will be turned on and placed at the center wavelength The search for the next minimum will reference that point Markers gt More Marker Functions gt Marker Search Menu gt Next Pit Up CALCulate 1 2 3 4 5 6 MARKer 1 213 4 MINimum NEXT Note Key Path Related Functions Remote Commands Key Path Noise Marker Measures the spectral power density
217. seen by varying the polar ization of the light entering the OSA This is not to be confused with amplitude variations caused by the varying distribution of energy between the different modes in fiber that is multimode at the wavelength of interest Sensitivity is defined as the signal level that is equal to six times the RMS value of the noise Dis played sensitivity values are nominal Slightly lower values may have to be entered to achieve specified sensitivity Dynamic Range is a measure of the ability to see low level signals that are located very close in wavelength to a stronger signal In electrical spectrum analyzers this characteristic is generally called shape factor Maximum Sweep Rate refers to the maximum rate that the instrument is able to acquire data and display it This rate may be limited by multiple internal processes when using default number of trace points Sweep Cycle Time refers to the time required to make a complete sweep and prepare for the next sweep It can be measured as the time from the start of one sweep to the start of the next sweep 7 4 Specifications and Regulatory Information Specifications Specifications NOTE The 86146B specifications are for the 50 um internal path only Table 7 1 Wavelength Specifications Wavelength Range 600 nm to 1700 nm Reproducibility lt 1 min 0 002 nm Span Range 0 2 nm to full range and zero span Accuracy After calibration with internal calibra
218. set key They are not saved as part of the measurement setup Auto Meas Auto Align DISPlay WINDow 1 TRACe ALL SCALe AUTO DISPlay WINDow 1 TRACe X SCALe AUTO SPAN DISPlay WINDow 1 TRACe Y SCALe AUTO PDIVision DISPlay WINDow 1 TRACe ALL SCALe AUTO MARKer OFF ON 0 1 Note Key Path Remote Commands Key Path Related Functions Remote Commands Function Reference Auto Ranging Amplitude Setup Panel Auto Ranging Amplitude Setup Panel When on the auto ranging allows the OSA to achieve the desired sensitivity by taking several sweeps and switching between gain stages The final trace data is a blended composite of each trace taken in the different gain stages The sweep time ST that is displayed in the lower portion of the display is the time that it takes for the OSA to sweep over one gain stage The OSA may take up to three sweeps in three different gain stages to make the measurement This depends on the settings for sensitivity reference level auto range and also the particular device being measured The final data trace is a blended composite of each trace taken in the different gain stages For more information refer to Sweep Time on page 3 81 Setting Auto Range to off will force the OSA to use a single gain stage and achieve the desired sensitivity by applying a digital filter Amplitude gt Amplitude Setup gt Auto Range SENSe POWer DC RANGe AUTO
219. sk Status Listings OSA Warnings Table 5 6 OSA Warnings 3 of 12 Error Number Error Description description explanation examples 5013 5014 5015 5016 5017 5020 5030 5031 5032 5043 desc The floppy disk is write protected help An operation was requested which writes to the floppy disk The disk currently in the drive is write protected Turn off write protection on the current floppy disk or replace it with another disk desc The internal memory is full help An operation was requested which uses internal memory There is not enough free space left in internal memory for this operation You must make room by deleting one or more files desc Up down keys will not alter the span when it is zero help The up down step keys may not be used to alter the span setting when it is zero Anon zero numeric value must be entered for span in order to leave zero span mode desc Incompatible measurement file help An attempt was made to recall a measurement file which is incompatible with the current version of software desc The requested file does not exist help An attempt was made to access a file which does not exist Check the spelling of the file name against the listing of available files desc I O Error help An unexpected error occurred during the I O operation Please try the operation again If the operation
220. ss Printer Shares and enter the share path and optional IP address Use the keyboard to enter the information or press Edit Field to access the User Workgroup Setup panel Up to four remote printer shares are available To activate the printer share press System gt Printer Setup and select the configured share To activate the file share press Save Recall then either Save Recall or Delete and select the configured share Note if you have not configured the share the Network File Share buttons will not be active 2 25 Using the Instrument Analyzing Measurement Data Analyzing Measurement Data This section provides advice and information on the following analyzer functions that allow you to analyze the measured amplitude wavelength data Tips for Using Traces and Markers Measuring the Delta between Traces Using Trace Math to Measure Wavelength Drift Tips for Using Traces and Markers The analyzer provides the ability to display up to six traces with up to four markers Knowing a few tips makes trace and marker manipulation much easier Refer to Traces on page 3 87 Marker BW on page 3 33 Marker Search Menu on page 3 34 Marker Setup on page 3 35 and More Marker Functions on page 3 40 Markers are always placed on the currently selected active trace Therefore use the Active Trace function to activate the desired trace then select an active marker to be placed on that trace When multiple ma
221. ss is the address of a routing device that connects your OSA s LAN with other LANs In some cases this may be the same address as the IP address of the OSA client Local Domain Name is used to identify the name of the unique internet address stating the loca tion and company name Domain Name System DNS Server IP Address is used to uniquely identify the location of a par ticular server An IP address is a set of four decimal numbers separated by periods like 192 170 130 215 4 2 Remote Front Panel Operation Remote Front Panel Worksheet for your IT department nternet Protocol IP address Host Name associated with the IP address et Mask Subnetwork Mask Gateway address Domain Name System DNS Local Domain Name Domain Name System DNS Server IP Address The Network Configuration procedure does not require the NIS configuration Your PC or UNIX workstation will use the DNS to lookup the OSA location by the host name Any NIS information entered will not be used in configuring the OSA network for Remote Front Panel operation A keyboard and mouse must be attached to the OSA to complete the procedure Restart the OSA after connecting the keyboard and mouse Before using the remote front panel the OSA must be connected to the local area network LAN There must be no Proxies between the OSA and the remote system Continuous normal operation of the OSA is dependent on the speed of the underlying network
222. ss measurements are the best way to ensure good measurements Good cleaning practices can help ensure that optimum connector performance is maintained With glass to glass interfaces any degradation of a ferrule or the end of the fiber any stray particles or finger oil can have a significant effect on connector performance Where many repeat connections are required use of a connector saver or patch cable is recommended Figure 6 5 shows the end of a clean fiber optic cable The dark circle in the center of the micro graph is the fiber s 125 um core and cladding which carries the light The surrounding area is the soft nickel silver ferrule Figure 6 6 shows a dirty fiber end from neglect or perhaps improper cleaning Material is smeared and ground into the end of the fiber causing light scattering and poor reflection Not only is the precision polish lost but this action can grind off the glass face and destroy the connector Figure 6 7 shows physical damage to the glass fiber end caused by either repeated connections made without removing loose particles or using improper cleaning tools When severe the dam age of one connector end can be transferred to another good connector endface that comes in contact with the damaged one Periodic checks of fiber ends and replacing connecting cables after many connections is a wise practice The cure for these problems is disciplined connector care as described in the following list and in Cleaning
223. sting of the Agilent sales and service offices desc Monochromator calibration data is invalid help Factory calibration data for the monochromator is invalid Please record the hexadecimal number listed with the error and cycle power If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86140B Series Users Guide for a listing of the Agilent sales and service offices 5 36 Status Listings OSA Errors Table 5 9 OSA Errors 2 of 2 Error Number Error Description description explanation examples 20005 desc Trans Impedance calibration data is invalid help Factory calibration data for the trans impedance amplifier is invalid Please record the hexadecimal number listed with the error and cycle power If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86740B Series Users Guide for a listing of the Agilent sales and service offices 20006 desc Monochromator flatness calibration data is invalid help Factory flatness data for the monochromator is invalid Please record the hexadecimal number listed with the error and cycle power If the error persists contact the nearest Agilent Technologies Instrument support center for assistance In the U S call 800 403 0801 See the Agilent 86
224. t 100 ppm 500 nA Temperature Drift lt 100 ppm 500 nAj K Pulse Mode Pulse Range 10 us to 6 5 ms Pulse Resolution 100 ns Duty Cycle Range Pulse width 1 s to 100 a Typical b Nominal Table 7 13 Option 002 White Light Source Agilent 86142B 86146B only Wavelengths 900 nm to 1700 nm Minimum Output Power Spectral Density 900 to 1600 nm 67 dBm nm 0 2 nW nm 900 to 1600 nm typical 64 dBm nm 0 4 nW nm 1600 to 1700 nm 0 dBm nm 0 1 nW nm Specifications and Regulatory Information Specifications Agilent 86142B 86146B only Minimum Output Power Spectral Density 4 50 125 um fiber 50 dBm nm 10 nW nm 62 5 125 um fiber 46 dBm nm 25 nW nm Output Stability 0 02 dB over 10 minutes Lamp Lifetime Mean Time Between Failures gt 5000 hours a Filtered below 850 nm b With applied input fiber 9 125 um c Typical d Includes power in full numerical aperture of fiber Table 7 14 Option 004 EELED Sources Agilent 86142B 86146B only Minimum Spectral Power Density 1300 to 1320 nm 1540 to 1560 nm option 004 gt 40 dBm nm 100 nW nm 1250 to 1620 nm option 004 gt 60 dBm nm 1 nW nm Return Loss With straight connector gt 25 dB Stability ambient temp lt 1 C a Over 15 minutes lt 0 02 dB Over 6 hours lt 0 05 dB a Typical 7 12 Specifications and Regulatory Information Specifications Option 006 Wavelength Calibrator The wavelength calibrat
225. t auto align data select Switch Path No Auto Align The data returned by the alignment is stored in both the 9 um and the 50 ym table With the data stored on both tables the centering for the 50 ym path is improved due to the increased resolu tion bandwidth of the 9 um path Once the align is complete or if you select No Auto Align the instrument will be ready to detect data via the 50 um path Appl s gt Measurement Modes gt Filter Mode gt Switch Path Auto Align Now Switch Path No Auto Align ROUTe PATH EXTernal CALibration ALIGn FILTer Switch Path No Auto Align For 86146B Filter Mode only Selects the 9 um filter mode path You should select this function if the instrument has not be moved subjected to temperature changes gt 2 C turned off and warmed up for at least an hour at the start of each day or to preserve previous align data Appl s gt Measurement Modes gt Filter Mode gt Switch Path Auto Align Now Switch Path Auto Align Now ROUTe PATH EXTernal 3 83 Function Reference System System Accesses menus for changing displaying selecting and viewing the instrument s functions Some of the functions available are shows HW and critical errors warnings and notices e sets a title to the display e displays the firmware revision e sets printer setup moves the active function area e displays the instrument state information e changes the display setup changes the time and dates e
226. t of keywords reserved for specification file use These reserved words cannot be used as a name for one of the measurement parameters desc The variable name has already been used help The application allows new names to be assigned to measurement parameters Once assigned these names can only be used as inputs to other measurements Only the first ten characters are significant The line number indicates where the problem was found The word in the parentheses is the variable name causing the problem desc Wrong number of input parameters help The wrong number of inputs were found for a specification file command The line number listed is where the problem was found in the specification file The first number in parentheses is the number of inputs found and the second number is the number of inputs required desc An input parameter has the wrong units help One of the input parameters to the specification file has the wrong units specified The line number listed is where the problem was found in the specification file The first units listed in the parentheses was the units used by the parameter and the second units is the units required by the parameter An empty pair of quotes indicates unitless 5 29 Status Listings Application Specific Warnings Table 5 7 Application Specific Warnings 2 of 6 Error Number Error Description description explanation exam
227. te Note Recall Setup Panel Selections Using the Instrument Saving Recalling and Managing Files Recalling Measurement and Trace Data You can recall measurement and trace data using the following methods Fast Measurement Recall Mode Recall Setup Panel Mode Refer to Recall Recall Setup Panel on page 3 61 Recalling Data in Fast Meas Recall Mode Press the front panel Save Recall key Press the Fast Meas RECALL softkey The instrument recalls the measurement state previously saved as FASTSAVE dat by the Fast Meas Save function The auto span value will not be saved with the measurement Recalling Measurement and Trace Data To insure accurate measurements a wavelength calibration should be performed each time measurement data is recalled from memory Press the front panel Save Recall key Press the Recall Menu softkey The Recall Setup panel opens o RecallSetup Recan Wace Trace amp State Recall From _ Floppy Disk X Internal Memory The Recall Menu setup panel The auto span value will not be saved with the measurement Recall Selects whether a measurement or trace will be recalled 2 23 Using the Instrument Saving Recalling and Managing Files Recall From Selects whether to recall from a floppy disk or from internal memory 4 When you are satisfied with your selections press the Choose File to Recall softkey The Catalog setup panel o
228. terHelp desc Trajectory align cannot find input signal help The trajectory align procedure cannot find a usable input signal Make sure you have a signal connected to the optical input desc Invalid settings for trajectory align help The external trajectory align function was requested It cannot be executed because the start and or stop wavelength settings are invalid Start and stop wavelengths must be between 600nm and 1700nm In addition the difference between start and stop wavelengths span must be greater than 25nm To correct this problem adjust the start and or stop wavelength settings to be valid 5 21 Status Listings OSA Warnings Table 5 6 OSA Warnings 6 of 12 Error Number Error Description description explanation examples 5058 5059 5060 5061 5062 5063 5064 5065 desc Out of memory help The OSA has run out of execution memory An internal function was aborted due to lack of execution memory The correction for this problem is to cycle power desc Trajectory align marginal input signal help The trajectory align procedure was aborted due to an input signal with marginal amplitude The input signal was large enough when the function began it s operation but later became too small This usually happens when the signal is on the edge of being too small To correct this problem increase the input signal level If this is not poss
229. tion 5 4 Status Listings SCPI Defined Errors SCPlI Defined Errors These error messages and descriptions were copied from the SCPI 1997 Volume 2 Command reference The sentences enclosed in brackets are copied from the error descriptions in the SCPI reference References are also made to IEEE 488 2 sections for further clarification of events Not all the available SCPI error messages were utilized in the optical spectrum analyzer Only those pertinent to the instrument were implemented Note that some of the error messages do not contain descriptions or help messages These error numbers are reserved for future expansion This document is subject to further change and development Standards related information Further information on the Standard Commands for Programmable Instruments SCPI standard is available from the SCPI consortium Contact Fred Bode Executive Director SCPI Consortium 8380 Hercules Drive Suite P3 La Mesa CA 91942 Phone 619 697 8790 FAX 619 697 5955 CompuServe Number 76516 254 Fbode vxinl com For more detailed information on the IEEE 488 2 Standard order a reference copy 5 5 Status Listings SCPI Defined Errors Contact The Institute of Electrical and Electronics Engineers Inc 345 East 47th Street New York New York 10017 2394 Phone 800 678 IEEE US 8 a m 4 30 p m EST 908 981 1393 International Fax 908 981 9667 Standard SCP
230. tion source and with enhanced wavelength calibration on for specified ranges gt lt 1480 to 1570 nm 0 01 nm 1570 to 1620 nm 0 025 nm After calibration with external reference source s 10 nm of calibration reference point s gt FAOLI After user calibration over full wavelength range 4 0 2nm 600 nm 1700 nm F Absolute Accuracy e 0 5 nm Tuning Repeatability lt 1 min 0 002 nm Span Linearity gt 4 1525 nm 1570 nm 0 01 nm for spans lt 40 nm 0 02 nm With applied input fiber 9 125um Typical At room temperature Temperature range 20 to 30 C Factory calibration on a 2 year cycle ea295D Table 7 2 Resolution Bandwidth RBW Specifications Resolution Bandwidth RBW Agilent 86142B 86143B Agilent 86143B w Opt 861458 Agilent 86146B 025 FWHM 3 dB Bandwidth 0 06 0 1 0 2 0 5 1 2 5 0 06 0 07 0 1 0 14 0 2 0 07 0 1 0 2 0 5 1 10 nm 0 33 0 5 1 2 5 10nm 2 5 10nm 7 5 Specifications and Regulatory Information Specifications Noise Marker Bandwidth Accuracy using noise markers 1525 1610 nm 4 20 5 nm 2 2 3 0 2 nm 3 3 5 0 1 nm 7 7 10 0 06 nm 12 12 wee a The 86146B specifications are for the 50 um internal path only b With applied input fiber 9 125 um c Resolution of 10 nm is available for first order grating response only d Temperature range 20 to 30 C Table 7 3 Amplitude Specifications Amplitude
231. to a PC for the purposes of archiving printing and further analysis Specifications and Regulatory Information Regulatory Information Regulatory Information e Compliance with Canadian EMC Requirements This ISM device complies with Canadian ICES 001 Cet Appareil ISM est conforme a la norme NMB du Canada Notice for Germany Noise Declaration Acoustic Noise Emission Geraeuschemission LpA lt 70 dB LpA lt 70 dB Operator position am Arbeitsplatz Normal position normaler Betrieb per ISO 7779 nach DIN 45636 1 Specifications and Regulatory Information Declaration of Conformity Declaration of Conformity DECLARATION OF CONFORMITY s According to ISONEC Guide 22 and CENICENELEC EN 45014 Manufacturers Name Agilent Technologies Manufacturing GmbH amp Co KG Manufacturer s Address Photonic Measurement Division PMD Herrenberger Str 130 D 71034 Boeblingen Declares under sole responsibility that the product as originally delivered Product Name Optical Spectrum Analyzer Product Numbers 86140B 86142B 86143B 86145B 86146B Product Options This declaration covers all options of the above products complies with the essential requirements of the following applicable European Directives and carries the CE marking accordingly e The Low Voltage Directive 73 23 EEC amended by 93 68 EEC The EMC Directive 89 336 EEC amended by 93 68 EEC and conforms with the following product standards Standard
232. troyed Any successive backup operations will overwrite the previous backup information so only the latest backup information can be recov ered through the Restore Internal Memory operation Restore Internal Memory The analyzer Restore Utility screen appears This operation will remove all files from internal memory and replace them with files from backup floppy disks Saving Measurement and Trace Data You can save measurement and trace data using the following methods Fast Measurement Save Mode Save Setup Panel Mode Saving Data in Fast Meas Save Mode Press the front panel Save Recall key Press the Fast Meas SAVE softkey The instrument saves the current measurement state to internal memory as FASTSAVE dat Only one FASTSAVE dat file exists so performing a Fast Meas Save will overwrite any currently existing Fast Save file 2 19 Note Note Save Setup Panel Selections Using the Instrument Saving Recalling and Managing Files The auto span value will not be saved with the measurement Saving Measurement and Trace Data Press the front panel Save Recall key Press the Save Menu softkey The Save Setup panel opens Refer to Adjusting Setup Conditions on page 2 3 for information on changing and selecting items in the setup panel Save Setup Save X Measurement OR _J Tracefs Only All Visible State Save Traces Ka Me Keo Ko Me KE A at vistte Save Graphics X Graphic Format _ C
233. trum at a particular time within the modulation period is more important than the average spectrum Gated triggering can be used to synchronize the data acquisition portion of the OSA to a gating trigger connected to the rear panel EXT TRIG IN con nector Gated triggering requires a TTL compatible signal with a minimum of 0 Vdc and a maxi mum of 5 V Gated triggering ignores the spectrum when the trigger input is low It usually is used in conjunc tion with the Max Hold function during several sweeps Gated Sweep Mode Trigger Input ST ST es ar Grating Motion ey Data Acquisition ht Peete bes bebassteseaey Trace On Screen Gated triggering is used to select data samples containing valid information When the gating signal is high the data sample is accepted When the gating signal is low the data sample is replaced by a data point with a value of 200 dBm Processing continues according to the func tions selected such as video bandwidth max hold and so forth If the low level exists for longer that the time needed for the grating to move from one trace point to the next then the trace will have gaps There are two ways to eliminate the gaps You can increase the sweep time to at least 1 2 2 times the product trace length the longest low level period 2 9 Using the Instrument Setting Up Measurements The display will have at least one data sample marked as valid high level per trace p
234. tting up the X Win 32 emulator to run the OSA remote front panel Refer to the X Win 32 documentation for further information 1 From the PC Start menu click X Win32 gt X Win Config 2 From the X Win32 Configuration window click Add X X Win32 Configuration Sessions Window Display Input Font Securty Other osal Add Edit p yi i jl Wizard 3 Inthe Connect Method window select rexec and then click Next Connect Method xi Please select the method by which you want to connect with the server then click on Next Connect Method rsh xXdmep om 4 n the New Session enter the following information 4 9 Note Remote Front Panel Operation Remote Front Panel Session Name osal Connect exec EXEC Host Name osa osanet com Login osaadm Command name T exec etc map_display amp Password ee Session Flags F Auto Stat M Auto Restat 7 Send Auth Window Mode Default X I Launch New Window I Show Messages I Save in Pre X lt win32 5 1 Version format cot __ a Inthe Session name field enter a name to uniquely identify the OSA An advantage when using the X Win 32 emulator is that you can run multiple X applications on your desktop in separate windows For this reason it is recommended that you name the session after the host system you want to connect to in order to easily identify it when selecting it from a list of sess
235. tzerland 8120 2104 i 912 Power Cord Denmark 8120 3997 1 917 Power Cord South Africa India 8120 4211 1 918 Power Cord Japan 8120 4753 919 Power Cord Israel 8120 5182 1 920 Power Cord Argentina 8120 6868 1 921 Power Cord Chilean 8120 6979 1 922 Power Cord China 8120 8376 1 Documentation and Manuals ABC Traditional Chinese User s Guide 86140 90067 1 Traditional Chinese Application Guide 86140 90066 Certification of Calibration and Service 1BM Standard Commercial Calibration Certificate N A 1 UK6 Commercial Calibration Certificate with Test Data N A 1 W30 Extended Warranty to 3 Years Return for Service N A 1 1 28 Table 1 4 Available Fiber Sizes Getting Started Product Options and Accessories Model Optical Option 002 Option 004a Option 005a Option 006 Photo Mono Output Number Input White Light 1310 1550 1550 EELED Calibrator diode 1 Source EELED Input 86143B 9 um N A N A N A 9 um A N A Opt 025 50 um 9 um 86145B 9 um N A N A N A 9 um A N A 86142B 9 um 62 5 um 9 um 9 um 9 um A N A 86146B 9 um 62 5 um 9 um 9 um 9 um 50 um 9 um a Options 002 004 and 005 are exclusive 1 29 Getting Started Product Options and Accessories Table 1 5 Additional Parts and Accessories Agilent Benchtop OSA Agilent Portable OSA 86142B 86146B 86143B 86145B Printer Paper 5 rolls box 9270 1370 9270 1370 Additional Connector Interfaces See Agilent 81000 series See A
236. uirements it is necessary to cycle power before continuing Please turn power off and back on again This must be done to ensure proper system operation desc Sweep limit markers too close together help The sweep limit function is on and the line markers are too close together The OSA cannot limit the sweep range to such a small value The current sweep may be using a wider range than requested Move the line markers farther apart or turn off sweep limit to resolve this problem desc AutoAlign cannot find input signal at marker help The auto align procedure could not find a usable input signal If there is an active marker auto align will attempt to align at the marker wavelength without searching for a signal peak This error can also occur if the input signal amplitude is very low or if the OSA has received a large mechanical shock or if the input signal is removed after the auto align procedure has begun Be sure a signal is connected to the optical input If there is an active marker make sure it is placed on the input signal or turn off all markers desc Signal disappeared during AutoAlign help The auto align procedure did not complete The input signal disappeared during the auto align procedure Make sure the input signal is connected to the optical input and try again desc Wrong trace X axis units for peak to center help The peak to center function was requested This fun
237. ultipoint Wavelength Calibration An external multipoint wavelength calibration can be performed over any specified wavelength range up to and including the full wavelength range of the OSA 600 nm to 1700 nm Narrow measurement spans can be chosen to provide greater accuracy over a selected range Calibrat ing the wavelength every 10 nm within the desired wavelength range is usually sufficient to improve wavelength accuracy After a multipoint wavelength calibration wavelength accuracy will be 10 pm within 10 nm of each calibration wavelength Refer to Calibrator Multi Pt Align on page 3 16 For a full explanation of external multipoint wavelength calibration along with a sample program to perform the calibration refer to Product Note 86140 2 Wavelength Calibration for the 86140X Series Optical Spectrum Analyzers Literature part number 5980 0043E The following steps outline one method for an external multipoint wavelength calibration routine This assumes a program executed on a external PC controller The steps outlined are those writ ten in the program A signal is sent from a tunable laser source into a multi wavelength meter and the OSA simultaneously The wavelength of the input signal is measured on both instruments The two measured values are compared Taking the multi wavelength meter readings as actual the software calculates the error offsets at each wavelength using the equation WL Error OSA indicated WL
238. umber Error Description description explanation examples 1000 1001 1002 1003 2999 desc Sensitivity forced to Auto help Sensitivity has been forced to the Auto setting because another instrument setting was made which does not permit sensitivity to be in the Manual setting desc Old Mezzanine board in system help This OSA has an old mezzanine board installed It is not necessary to upgrade the mezzanine board but the softwa determine which light source options are ava desc No Delta Marker Amplitude for help The delta marker amplitude display h mismatch The amplitude units of the reference marker are different than those of the delta mar er Values in differing units can desc Trace length increased help Trace length has been increased bec was turned o f The minimum trace length is e will not be able to correctly ilable as been turned off due to a units not be compared ause the wavelength limit function arger when the wavelength limit function is off and trace length was below the new minimum value desc The Notices list has overflowed help The Notices list has overflowed The last entries received have been deleted 5 16 Status Listings OSA Warnings OSA Warnings Table 5 6 OSA Warnings 1 of 12 Error Number Error Description description explanation examples 5000 5001 5002
239. unction reference 3 2 FWHM resolution 7 3 G gateway address 4 2 GIF 3 71 GIF graphic saving 2 21 GPIB amp Network Setup 3 28 GPIB address 3 18 graphics data saving 2 21 3 70 H hardware errors viewing 3 28 Help softkey viewing error messages 3 28 hi gain trans Z 3 49 Hold Trace softkey 3 29 INPUT connector 1 iv 1 11 input connector 6 8 instrument address 3 42 checking the shipment 1 8 state 3 50 internal memory 2 24 backup restore 2 19 saving data 2 21 3 71 Index 2 internal printer 3 60 internet protocol 4 2 interpolation normal delta marker 3 36 IP address 4 2 L laser classifications 1 27 safety 1 27 Lin Math softkeys 3 30 3 31 line markers 3 94 Line Markers Off softkey 3 30 lo gain trans Z 3 49 Local key 3 31 Log Math softkeys 3 31 3 32 M manual part numbers 1 29 map display window 4 12 4 15 marker search threshold setting 3 38 types 1 14 Marker BW softkey 3 33 Marker menu 1 21 Marker Off softkey 3 33 Marker Search Menu softkey 3 34 marker setup panel bandwidth marker interpolation 3 15 BW marker units 3 15 delta marker units 3 21 marker search threshold 3 89 marker search threshold value 3 34 normal marker units 3 45 normal delta marker interpolation 3 44 peak excursion 3 51 peak search at end of each sweep 3 53 pit excursion 3 54 Marker to Center softkey 3 39 Marker to Ref Level softkey 3 39 markers active ma
240. urement applications Filter Mode For Agilent 86146B only Time Resolved Chirp Filter Mode For Agilent 86146B only The Agilent 86146B filter mode allows a single channel from a dense wavelength division multi plex DWDM signal to be isolated and routed to another measurement instrument The filter mode capability is built in to internal applications to allow for fast and easy measurements The filtering is accurate and flexible It has low polarization dependent loss PDL adjustable filter bandwidth and a wide tuning range e Switch to filter mode by pressing Appl gt Measurement Modes gt Filter Mode Select a filter bandwidth in the BW sweep gt Res BW menu Select an active tuning marker and tune it to a wavelength position The filter marker becomes the current marker and has the active area focus All other markers stay on In the filter mode the analyzer acts as a fixed tuned variable wavelength variable bandwidth bandpass filter It filters the input light at a specified wavelength The filtered light is available at the front panel monochromator output connector One application of the filter mode is the filtering selecting of one particular mode of a laser source Refer to Filter Mode on page 3 26 Filter Mode Instruction Panels on page 3 26 and Filter Marker Tune on page 3 25 When the analyzer enters the filter mode the sweep stops with the analyzer filter tuned to the center wav
241. w average count 1 count x last average new measurement count Traces gt Averaging CALCulate 1 2 3 4 5 6 AVERage COUNt CALCulate 1 2 3 4 5 6 AVERage STATe Backup Internal Memory Allows you to make a complete backup of user memory onto a floppy disk All user files mea surement trace and specification sets are saved You can recall the backup contents into the instrument with the Restore Internal Memory function Refer to Backing Up or Restoring the Internal Memory on page 2 19 A screen appears asking you to insert a formatted floppy disk into the floppy drive The disk will not be viewable on a PC and no trace or measurement files can be saved onto the disk until it is reformatted The backup internal memory function overwrites the floppy disk with a new image so only the latest backup information can be recovered through the Restore Internal Memory operation Any existing files or catalogs on the floppy disk will be destroyed Save Recall gt Backup Restore Menu gt Backup Internal Memory 3 13 Function Reference Backup Restore Menu Backup Restore Menu Accesses the instrument utilities used to backup or restore internal memory Key Path Save Recall gt Backup Restore Menu 3 14 Key Path Related Functions Remote Commands Function Reference Bandwidth Marker Interpolation Marker Setup Panel Bandwidth Marker Interpolation Marker Setup Panel Turns the bandwidth marker i
242. ware Revision History Part Parts OSA Firmware Upgrade Frequently Asked Questions FAQs 861 4XA B Firmware Upgrade Frequently Asked Questions Getting New Firmware NEW UPGRADE METHOD CD Upgrade Kit e This upgrade procedure works by transferring new firmware files from a CD ROM in your computer to your OSA via a LAN connection The PC and the OSA may be connected directly with the crossover LAN cable provided or they may be connected over a network We ll provide you with an upgrade CD ROM a crossover LAN cable and flappy disks to trigger the upgrade in the OSA For more information please see the upgrade instructions 86140 Series Optical Spectrum Analyzer Upgrade Instructions e Order a free kit online Related Links e 8614XA B Firmware Revision History Find out what features have been added for each released revision Btop ot pane printer trienaly version E email this page fea E http www home agilent comcai bin pubjagilent Product cp_Product jsp NAV_ID 53689 1689 5368830311 008LANGUAGE_CODE eng amp COUNTRY gp Internet Astart c E Dlinbox micros E microsoft Pow EJagitent 86 C Documents f Adobe Frame SHBG Ows 16 24 Key Path System gt More System Functions gt Service Menu gt Firmware Upgrade Format Floppy Disk Formats a 3 5 1 44 MB floppy disk The instrument does not support formatting 2 0 MB floppy disks Refer to Saving Recalling and Managing Files on page 2 18 3
243. works properly help with product opera tion and provide basic measurement assistance for the use of specified capabilities at no extra cost upon request 90ften many self help tools are available Your Advantage means that Agilent offers a wide range of additional expert test and measure ment services which you can purchase according to your unique technical business needs Solve problems efficiently and gain a competitive edge by contracting with us for calibration extra cost upgrades out of warranty repairs and on site education and training as well as design system integration project man agement and other professional engineering services Experienced Agilent engineers and techni cians worldwide can help you maximize your productivity optimize the return on investment of your Agilent instruments and systems and obtain dependable measurement accuracy for the life of those products By internet phone or fax get assistance with your test and measurement needs Online assistance www agilent com find assist United States tel 1 800 452 4844 Latin America tel 305 269 7500 fax 305 269 7599 6 21 Maintenance Returning the Instrument for Service Canada tel 1 877 894 4414 fax 905 206 4120 Australia tel 1 800 629 485 fax 61 3 9210 5947 Europe tel 31 20 547 2323 fax 31 20 547 2390 New Zealand tel 0 800 738 378 fax 64 4 495 8950 Japan tel 81 426 56 7832 fax 81

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