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1. CUBE Laser Operator 5 Manual Table 3 4 DE 15 Connector Summary PIN FUNCTION DIRECTION DESCRIPTION DRIVE LOAD 1 Interlock Input 0 Open Ground normal 7 K Ohm internally 1 Closed TTL High pulled down 2 Laser On Enable Input 0 Laser Off 7 K Ohm internally 1 Laser On TTL High pulled up 3 Auto start Input 0 Computer Control 7 K Ohm internally 1 Auto Start Mode 5 VDC pulled up normal Signal Ground For use with Input DE 9 Pin 5 Ground all signal inputs except the analog modulation 7 General Fault Output 0 No Faults 7K Ohm 1 Fault condition 5 VDC Analog Modulation Input 0 to 5 VDC Threshold 15 K Ohm 100 Power Control 5 VDC Output Reference Output 5 0 VDC 100 ma Maximum Drive Power Supply Input 6 VDC 4 8 V 6 5 V DC Power Input 2 5 amps Over Temperature Heat sink Output 0 VDC Base plate Tempera 2K Ohm ture less than 40 C 2 5 VDC Base plate Temper ature between 40 and 50 C 5 VDC Base plate Tempera ture over 50 C z 14 Laser Power Out Output 0 to 2 VDC 0 to 100 Laser 750 Ohm Power 15 Laser Ready Output 0 Laser Not Ready 2 K Ohm 1 Laser Ready 5 VDC 11 1 N Installation Power Connection The interface cable 2 pin connector mates to the supplied Coherent CUBE power supply The connector is keyed to ensure correct polarity when plugged into the power supply The power supply polar
2. The Coherent CUBE laser system uses the following RS 232 remote communication settings Table 5 2 RS 232 Communication Settings Syntax Command lt value gt A Coherent CUBE command is used to change a present setting The syntax used for Coherent CUBE commands is the command followed by an equal sign and a value No spaces are used between the command equal sign and the value Query A Coherent CUBE query is defined by a question mark prior to the query The current state of Coherent CUBE commands can be displayed with a prior to the command Use the S query to display a complete list of current settings CUBE Laser Operator s Manual All Coherent CUBE commands and queries must be entered using all capital letters All Coherent CUBE command settings are stored when the system is powered down The Coherent CUBE command prompt provides feedback asso ciated with the current system status and the command or query entered Refer to the F query for a complete list of values returned with the command prompt Table 5 3 Factory Default Settings Coherent CUBE CW Commands Query only lt query gt Command command lt value gt Both H displays a list of the commands and the associated descrip tions Operation Table 5 4 CW RS 232 Commands and Queries Sheet 1 of 4 COMMAND FUNCTION RANGE DESCRIPTION Turns the command prompt on or off This setting is st
3. 5 0mm 1 18 30 0mm 9 166 1 19mm 4 PLACES i a m Digital SMB USB 7 9 1 58 40 0mm Oo lp el l 15 Pin Interface Cable Connection Figure 2 4 Coherent CUBE Laser Head Dimensions Description and Specifications 1 V ACCESSORY HOLES Qa 1 4 20 MOUNTING HOLES 2 HOLES BOTH SIDES n n FRONT VIEW 5 2 976 O el 40 3 543 731 TOP VIEW 5 00 2 000 1 50 2 oo 1 ES SIDE VIEW 56 M4 25 DEEP CUBE MOUNTING HOLES 4x 00 er CUBE LOCATION PINS gt EXHAUST FAN 2 60 1 74 REAR VIEW Figure 2 5 Optional Heat Sink Dimensions CUBE Laser Operator 5 Manual 86 5 mm 3 41 in 1 8 m cord 6 ft 1 85 in Figure 2 6 Coherent CUBE Power Supply Dimensions Interlock RCA Connection Analog Control Input BNC 280 mm cord 11 0 in 138 mm 5 4 in a Figure 2 7 Coherent CUBE Control Box Dimensions Installation SECTION THREE INSTALLATION Inspect shipping boxes for signs of rough handling or damage Indi cate any such signs on the bill of loading Report any damage imme diately to the shipping carrier and to Coherent Order Administration Department in the US 800 438 6323 or to an authorized Coh
4. 6 7 A Ar 6 7 CUBE Connection SOre en AAA A 6 7 Home 0 6 7 Wavelength OM A A A AAA AAA 6 8 0 6 8 6 8 Laser Modena in 6 8 Laser Output Indicator ni nidos 6 9 Temperature DISPiV as 6 10 o A A a gta aa aig 6 11 0 cosy a ae eon e are 6 11 CDRH Rive second Delay cuss cect tis cies a ace LO 6 12 External Analog Power Comodidad 6 12 Diode Set Temperature irin non A A A Aan 6 13 Pulse ower 0 6 13 nn A O A A sates eases ea 6 14 CUBE Laser Tnformation nerina Aa 6 14 CUBE Waser SAUS A ST a a TT MPa ees Me ein Se 6 15 Table of Contents F lt Serete aenn nna a a aE E A O iais 6 16 Fermina Sereen cied a a a a e O EREE AN 6 17 0 6 17 0 6 17 Interlock REQUIERA ais 6 18 System standby and Sleep Mode ii aa reagealakoaladin sear dente yaiaeatioss 6 18 Section Seven Advanced Procedures 7 1 Diode Temperature Control ut oa fo as 7 1 Diode Temperature Adjustment Procedure ooooonocccnoccnonnconncnanononcconccconocnnn nono ncnn nono no cnn nonnno 7 1 CDRH 0 rats 7 2 Disable CDRH Proc 06 x A ia 7 2 Diode Threshold CAHAMS as 7 3 7 3 Section Eight Troubleshooting 8 1 A O O 8 1 Tro bleshooting Procede 8 1 Checklist 2 Checklist 2 No Laser Emission at 8 2 Checklist 3a System Shuts Down RS 232 Control oooooocinccinocinocococononcconccconoconnconnccnnncnns 8 3 Checklist 3b System Shuts Down Analog Control and Auto start ooooonconincninnnnnncconncnns 8 3 C
5. mW Milliwatt s 10 Watts power NA Numerical aperture Glossary 1 Nanometer s 10 meters wavelength Newton meter Original equipment manufacturer Root mean square effective value of a sinusoidal wave Return material authorization Thermo electric cooler Transverse electromagnetic mode cross sectional laser beam mode Transistor transistor logic Ultra violet Volt s Volts alternating current Volts direct current Watt s power Glossary 2 CUBE Laser Operator s Manual nm n m OEM rms RMA TEC TEM TTL UV VAC VDC Index INDEX Heat sink 3 2 3 5 USB driver 6 2 Interface cable 3 7 Interlock Control box 3 12 Interlock connection Control box 3 12 Interlock control 2 Interlock requirements 6 18 K Keyswitch Control box 3 11 L Laser emission Classification 1 3 Laser head 2 3 Dimensions 2 6 Mounting 3 5 Laser safety 1 1 Limitations of warranty A 1 Location of safety labels 1 5 M Mounting Laser head 3 5 0 Operation 1 CW 4 1 5 1 Pulse 4 5 0 Optical safety 1 Safety glasses 1 P Power connection 9 Power supply 2 3 6 Dimensions 8 Specifications 6 Pulse operation 4 5 5 10 R Receiving and inspection 1 Requirements Heat sink 3 2 3 3 Interlock 8 Responsibilities of the buyer A 1 RS 232 commands and queries 5 5 5 13 RS 232 connector 3 14 RS 232 remote control 5 2 2 Index 1 A Analog control 5 2 5 11 Auto start 5 1 B Buyer res
6. BNC connector is to be used for analog modulation or variable power control Review Analog Modulation specifica tions for input requirements For control box dimensions see Figure 2 7 Cables The Coherent CUBE laser system is shipped with an interface cable and a USB cable For detailed system description and installation instructions see Section Three Installation Specifications Specifications for the Coherent CUBE laser system are listed in Table 2 1 Table 2 1 Specifications DESCRIPTION PARAMETER 8 mW 10 0 50 mW 10 0 16 mW 10 0 25mW 10 0 40 mW 10 0 Maximum Modulation Frequency Digital 150 MHz Minimum Modulation Depth 150 MHz Digital Wavelength Maximum Modulation Frequency Analog 350 KHz Noise 20 Hz 10 MHz lt 0 2 RMS Noise 10 MHz 500 MHz lt 1 RMS All specifications are subject to change without notice Description and Specifications Table 2 1 Specifications Continued PARAMETER CUBE 375 CUBE 405 CUBE 440 CUBE 635 CUBE 785 Dimensions L W H 100 mm x 40 mm x 40 mm no Beam Diameter 1 e Elliptical 1 x 3 mm typical Beam Diameter 1 e dedica Circular typ Polarization gt 100 1 linear 5 Vertical CUBE Laser Operator 5 Manual Dimensions The dimensions of the Coherent CUBE laser head heat sink power supply and control box are shown in the figures below 20 3 54 20 5 0mm 90 0mm
7. CUBE laser system with precision 7 1 Diode Temperature Control Diode Temperature Adjustment Procedure The range of diode temperature values allowed with the Coherent CUBE laser system is 15 to 35 C The maximum base plate temperature allowed is 50 C The Coherent CUBE system will automatically shut the diode output down when the maximum base plate temperature is exceeded Diode set temperatures below 20 C may cause condensation within the system in high humidity environments The Coherent CUBE laser system will report the current diode temperature with the DT query The Coherent CUBE laser system will report the current diode set temperature with the DST query This value represents the set temperature stored in the system EEPROM The Coherent CUBE laser system will report the current base plate temperature with the BT query CUBE Laser Operator s Manual 3 The Coherent CUBE is shipped as a CDRH compliant laser system The CDRH required delay of approximately 5 seconds occurs between a laser ready condition and emission of laser light This delay allows the user to take appropriate safety precautions prior to emission Once the system is running the CDRH required laser delay is not applied each time the laser emission is toggled on and off remotely Refer to the paragraph titled USB Control in Section Six and the paragraph titled RS 232 Remote Control in Section
8. M6 Wrench 1 Secure the heat sink to proposed laser location Ensure the heat sink ends remain unobstructed for proper air flow 2 Apply a thin even coat of thermal compound to the Coherent CUBE laser head base 3 Secure the Coherent CUBE laser head to the heat sink with the modified M4 screws provided 4 Tighten screws in a diagonal pattern to ensure optimum pointing stability Use the same diagonal pattern for the final torque setting of 10 in Ib or 100 Nem 5 Ifthe fan operation is required connect the fan to the Coherent CUBE power supply with the cable provided with the heat sink The fan cable will allow power to be supplied to the heat sink fan and the Coherent CUBE simultaneously 6 Proceed with normal laser operation For mounting the Coherent CUBE laser head without the Coherent optional heat sink follow the same mounting procedure described for the optional heat sink The laser system also includes modified M4 mounting hardware Standard M4 socket head screws do not provide sufficient clearance for mounting holes Heat Sink Installation Mounting the Laser Head CUBE Laser Operator s Manual Power S upply The Coherent CUBE laser system includes a power supply The Coherent CUBE power supply also includes a power switch and power indicator The power supply specifications are shown below Figure 3 4 DC Power Supply Table 3 3 Power Supply Specifications Input Voltage 90 VAC to 264 VAC Out
9. Statue C Crisp 514 DE CUBE ma hiera Presa E ds Deh Cube Ler Light St rra CNE An E 78 Humber 1700040 Dinie Term aro Pan isian VIDA SEES irae Piera ln Ming Hoia aiis Eye OK The CUBE Laser Information section contains static information associated with the selected laser The Model Name Serial Number Part Number and Nominal Wavelength are read from the selected laser EEPROM The displayed wavelength is a nominal value The exact wavelength is shown on the system serial number label Cube Laser CUBE 405nm 50 C Serial Number 12030401 Part Number 1069413 Firmware Version 3 Wavelength 404 nm Information Screen CUBE Laser Information Computer Control CUBE Laser Status The CUBE Laser Status section contains a list of operating parame ters The information shown below represents a typical 405 nm system Cube Laser Status Operating Satura Sm OK Manual Node Enablod Noeninal Power 50 mw Min LightCel 0 05 mite 3 Ligh Chl Per S040 mv Diode Currant BB m Diode Temp 22 C Base Plata Tamp 7 intedock Stabe CLOEED Hours B416 F3 Table 6 1 Operating Parameters PARAMETER DESCRIPTION Operating Status The Operating Status displays the Standby Fault or Ready condition of the system Manual Mode The Manual Mode status represents the start up mode
10. TTL Low Signal Laser Threshold Power he i TTL High Signal Nominal or Stored Laser Power CUBE Laser Operator s Manual The Coherent CUBE laser system includes complete remote control capability through USB and RS 232 For USB control information refer to the USB Control section The Coherent CUBE is shipped in Auto start mode All of the RS 232 commands and queries are available in Auto start mode To defeat the Auto start mode insert a jumper between pins 1 and 2 on the interface cable I O connector RS 232 Connections The Coherent CUBE uses a standard RS 232 connection Refer to the information below to connect directly to the Coherent CUBE DE 15 connector or the Coherent CUBE interface cable DE 9 connector A Null modem cable will not operate the Coherent CUBE laser system Table 5 7 RS 232 Pin Connections a O INE The Coherent CUBE laser system uses the following RS 232 remote communication settings Table 5 8 RS 232 Communication Setting 4 6 RS 232 Remote Control Operation The following table contains a complete list of RS 232 commands and queries Use the S query to display a list of current settings Query only lt query gt Command command lt value gt Both Table 5 9 Pulsed RS 232 Commands and Queries Sheet 1 of 4 COMMAND FUNCTION RANGE DESCRIPTION Turns the command prompt on or off This setting is stored into memory so that it
11. When the base plate temperature returns to less than 50 degrees laser emission will be restored following verification of CDRH status EEPROM Each time the laser system starts the EEPROM checksum is compared to the value stored Checksum when the system was powered down If the values do not agree the EEPROM checksum fault will be set When this fault occurs the system will have to be returned to Coherent for repair Computer Control Terminal Screen The Terminal Screen is used to send individual commands or scripts to the CUBE through USB Review the RS 232 commands and queries for a complete list of items available through the Terminal Screen The CUBE laser requires all commands and queries to be entered as capital letters The CUBE Connection Terminal screen automatically converts lower case to capital letters THD 10401 Dimar Tad riat File Osan Lene frip atar yen DE Terminal The Clear Text button will clear all information displayed in the Terminal Window Terminal Clear Script File The Open button will display a standard Windows Open dialog Select the desired Script file and click Open The Script file will be loaded into the Terminal window and the Start button will be active Click the Start button to execute the displayed script When the Loop Script box is checked the displayed script will continue to run Script File
12. active when a fault condition Fault exists A low condition indicates normal operation 5 Interlock Input TTL 0 TTL 1 The interlock is closed with no connection This pin is used to terminate laser emission when the interlock is open Heat Sink Output OV 2 5 V 5 V 0 VDC Base plate Temperature less than 40 C Temperature 2 5 VDC Base plate Temperature between 40 and 50 C 5 VDC Base plate Temperature over 50 C Laser Power Output 0 2 V The laser power output pin is used to indicate the Output current laser output power The voltage is propor tional to the laser output 2 V represents 100 laser power Laser Ready Output TTL 0 TTL 1 The laser ready pin indicates laser emission When the pin is active the laser emission is active 3 13 CUBE Laser Operator s Manual RS 232 Connector The RS 232 connector will connect directly to the RS 232 computer connector A standard serial extension cable can be used to connect between the Coherent CUBE interface cable and a computer COMM port A null modem cable is not compatible with the Coherent CUBE Laser System 115 232 Connections The descriptions for the RS 232 connector correspond to the computer input pin descriptions Table 3 6 RS 232 Pin Connections PIN NUMBER DESCRIPTION DE 9 INTERFACE CABLE CONNECTOR E 3 14 Quick Start SECTION FOUR QUICK START Quick Start for 1 Apply thermal compound to the ee laser 6 base and place t
13. liability thereby for any injury or damage that may occur contemporaneous with such services These support services do not affect under any circumstances the terms of any warranty agreement between Coherent and the buyer Operation of any Coherent laser with any of its interlocks defeated is always at the operator s own risk Table of Contents TABLE OF CONTENTS A a e viii U S Export Control Laws Compliance riendas ars ranion ias viii Symbols Used in This Document a a iaa ix Section One Laser Safety rsss 1 1 Opcion e ia al 1 1 ER a 1 2 Laser Safety at A 1 3 CDRH EN60825 1 Compliance A di 1 3 Laser Emission and Classification 90 1 3 1 3 Ga AAA A cea tauauscunaeans 1 3 Key 0 E aaa 1 3 Laser Emission Indica io s 1 3 Secondary Emission Indica as 1 4 Radiation abc 1 4 0 1 4 Location of Satcty Labels ci A a 1 5 Section Two Description and Specifications 0 0 00 0 eee 2 1 2 1 0 2 2 Laser ad a a od es e o e eal haat 2 3 0 2 3 Power S pply nn enotam e a ads 2 3 CONTO ROR ab ii ra 2 4 CU A OEE a 2 4 Specifications tc ics lola e de E E EE ek cele E A ashe oats tale 2 4 DR pas a oc aaa tea dc 2 6 Section Three Tmstallation ccc esssecsssesesneeessecesnecssneessneesnesesneeeens 3 1 Receiving and lap ica 3 1 Heat Sink Requirement veya tet cane ceetst sas a tae ask ua onc ahs tan cine cost a aN 3 2 Optional Heat A a a i ia a ea aee Aa A aeaa iae raini 3 4 EM
14. location settings associated with the Coherent CUBE connection software installation Click the Back button to change the present settings Click the Next button to install the software in the selected location CUBE Connection Software Installation Computer Control Welcome i Cube Connector pogam This Hogan ea mec on yon 135 strong recommended thal pou exit al Windows programs belore running tha Selup Ale Dick Cancel to qui Setup and chen amp programa you hare cunning Chick Het to continue vath the Setup program WARNING This program ie protected by copia and riematonal esis A A A Rego STE portion of il maa sesak in seene chal and criminal panakies pc the meomun extent possible under A Choose Desta atbon Litai Setup vell install Cubs Connection in the folowing aider To natal pes fodder click Browse and select fou can choose rt to instal Cube Corrector by choking Cancel to exit Setup 6 The fifth installation dialog displays the progress of the Coherent CUBE connection software installation 7 The sixth installation dialog will confirm the successful instal lation of the Coherent CUBE connection software 8 The computer must be restarted to register the Coherent CUBE connection supporting files and USB drivers CUBE Laser Operator s Manual ia eleri Propra Moanaiper Group xj Entes the name of the Program Manage group to add Cube Connecto
15. open san Loop Script CUBE Laser Operator s Manual The Coherent CUBE laser system is equipped with external inter lock capabilities The interlock circuit is internally pulled low and must be connected to 5 V to operate 5 V on the DE 15 pin 1 repre sents a normal operating condition The interlock will halt the laser output when DE 15 pin 1 is low The interlock uses DE 15 pin 6 as a ground connection For users requiring intermittent use of the Coherent CUBE laser system two levels of non lasing conditions are offered The Standby condition represents the thermoelectric cooler TEC maintaining constant diode temperature with the laser diode off A Sleep Mode condition includes a laser off condition combined with no TEC temperature control The laser output can be initiated immediately in a Standby condition When the system is in sleep mode it requires a warm up cycle not to exceed five minutes prior to laser emission Standby Condition L 0 Tal Sleep Mode L 0 0 Review the paragraph titled RS 232 Remote Control in Section Five for additional computer control information relating to the L and T conditions Interlock Requirements System Standby and Sleep Mode Advanced Procedures SECTION SEVEN ADVANCED PROCEDURES The Coherent CUBE laser system offers the ability for the user to adjust the diode operating temperature Diode temperature variation is primarily to used ma
16. power in mW The range of P power values is based on the minimum laser threshold power MINLP and the maximum laser power MAXLP P returns the present laser power CUBE Laser Operator s Manual Table 5 4 CW RS 232 Commands and Queries Sheet 2 of 4 COMMAND FUNCTION RANGE DESCRIPTION The H query displays all available RS 232 Commands and Queries The output associ ated with the H query is shown below 2H 0 OFF 1 ON Control Commands gt Prompt ABIAS Diode Threshold Current ANA Analog Current Mode CAL Calibrate Laser Power In Pulse CW CW or Pulse Mode CDRH Laser Delay CLS Clear Text DST Diode Set Temp E Echo EXT External Laser Power Mode L Laser P Laser Power IN amp OUT T TEC Query commands lt Prompt status ABIAS Diode Threshold Current ANA Analog Current Mode BT Base Plate Temp C Laser Diode Current CDRH Laser Delay 2CW CW or Pulse Mode DST Get Diode Temp DT Diode Present Temp E Echo EXT External Laser Power Mode F Fault Bits Decimal FF Fault Bits Binary FL Fault List HH Hour Counter HID Head ID Value INT Interlock Status LCK Interlock Status L Laser 2M Manual Auto Start MAXLP Max Light Constant Pwr 2MINLP Min Light Constant Pwr 2NOMLP Nominal Laser Pwr OT Over Temp 2PVPS Protocol SP Get Laser Power 2STA Operating Status Number 2SVPS Software 2SV Software Version T TEC 2WAVE Laser Wavelength The
17. seconds after the keyswitch is set to the ON position 10 Computer control is available without additional system configuration The Coherent CUBE laser system will Auto start automatically without additional computer or configuration settings Refer to the paragraph titled RS 232 Remote Control in Section Five Operation for a complete list of computer controls and queries All remote computer settings are stored each time the system is powered down Use the S query to display a complete list of current settings Quick Start Quick Start for Pulse Operatio n Pulse operation requires external computer control Pulse oper ation can be accomplished with RS 232 or USB communication 1 Apply thermal compound to the Coherent CUBE laser head base and place the laser on the Coherent CUBE heat sink accessory or mounting surface capable of providing adequate thermal dissipation Refer to Figure 3 2 for heat sink require ments 2 Secure laser to mounting surface using 6 32 or M4 screws Torque to 10 in lb using a diagonal pattern Figure 4 6 Cable Connection Setup CUBE Laser Operator 5 Manual 3 Connect the Interface cable to the laser SMB Digital USB Connector Input Connector Figure 4 7 Connect the Interface Cable to the Laser 4 Tighten the connector shell screws to ensure reliable system operation For additional information refer to the paragraph titled Interface Cable in Section Three Insta
18. the minimum laser threshold power MINLP and the maximum laser power MAXLP P returns the present laser power Set Power 0 MAXLP Returns the present laser power setting in Out mW This value represents the last value entered with the P command SV Software Reads the Coherent CUBE firmware Version version Operating N A Returns an integer value representing the Status present Coherent CUBE laser system oper ating status 1 Warm Up 2 Standby 3 Laser ON 4 Error 5 System Halted Fatal Error Auto start Returns the status of the Auto start control DE 15 pin 3 The Auto start pin normally floats high with no connection When this pin is tied to ground computer control is required for laser emission Returns the maximum laser power avail able in CW light control mode The value is returned in mW MAXLP Max Light Cont Pwr NOMP Nominal Returns the nominal CW laser output Laser Pwr power in mW WAVE Laser Wave N A Returns the laser operating wavelength length based on a diode temperature of 25 C 1 N A MINLP Min Light N A Returns the minimum power available in Cont Pwr CW light control mode The value is returned in mW Operation Table 5 9 Pulsed RS 232 Commands and Queries Sheet 3 of 4 COMMAND FUNCTION RANGE DESCRIPTION The H query displays all available RS 232 Commands and Queries The output associated with the H query is shown below 2H 0 OFF 1 0N C
19. Box Dimensions vitalicio ses 2 8 Estimated Heat Dissipation of the Coherent CUBE Laser 11 3 2 Estimated Heat Sink Requirements for an Ambient Temperature of 45 C 0 eee 3 3 Optional Heat Sith scores ts eb ei da do ade 3 4 DEP S OP DI ce tee 3 6 Interface Cable ni A A ia 3 7 Interface Cable Description 0 3 7 Interface Cable 2 Pin COMA is 3 9 Control Box Front Panel Mic eth ernesniens a ontiaceiipas iy eetanatas 3 10 Control Box Back Panel VIEW dushey ccareeshdeanteargenatede etna 3 10 5 Pin I O Cable Connected to the Interface Cable 3 11 Control BOX Keys WI ni id ia 3 11 3 12 Cable Connection A nals aeaes 4 1 Connect the Interface Cable to the Lastra iieeuyaetiy daa a cwiae 4 2 Connect the o td spas 4 2 Connect the Control BOX A AA A Ais EA RRA ARA 4 3 Connect the USB or Serial Interface 06 satiate 4 3 Cable Connection Piar ne a aa 4 5 Connect the Interface Cable to the Laser sts seo set i otsvat e sauna aces 4 6 Connect the Power SUPP y sla secossces eco tao es 4 6 Connect dd 4 7 Connect the USB or Serial Interface Cable aiii ii 4 7 Pulse Timing Dira ia 5 10 vi 1 1 2 1 2 2 2 3 2 4 2 5 2 6 2 7 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 10 5 1 Table of Contents LIST OF TABLES 7 Packing List for Coherent CUBE La
20. Current exceeds 120 Return to Coherent for diode of the new system current replacement This is a result of diode degra dation over time 4096 12 13 Reset Clock Internal Error causes system clock reset 8192 13 14 System Time Command is not acknowl If the problem persists return Out edged by the processor the system to Coherent for repair 16384 14 15 Buffer Overflow An excessive number of Space commands by commands are issued The 250msec typical command response time is 250msec 32768 15 16 Fatal Error Processor error Reboot the laser system If the problem persists return to Coherent for service Additional pulse specific commands are listed in the Table 5 9 CUBE Laser Operator s Manual The Coherent CUBE laser system provides the capability to provide CW or pulsed laser emission The pulsed output must be controlled with external analog or digital signals The control box BNC provides analog input control to 350 KHz The laser SMB connector provides digital TTL input laser control to 150 MHz The Coherent CUBE laser system requires a remote computer control box to initiate digital pulse operation The control box BNC connector has an input impedance of 2 2 K Ohm The laser SMB connector has an input impedance of 50 Ohms 15ns trigger pulse gt light pulse Figure 5 1 Pulse Timing Diagram Pulse Operation Digital Control Operation 1 Connect the laser as shown in the Section Thr
21. Five Operation to establish remote communication with the Coherent CUBE laser system Use the CDRH 0 command to defeat the CDRH required delay The current CDRH required delay state can be interrogated by the computer with the CDRH query The CDRH required delay can be restored with the CDRH 1 command CDRH Feature Disable CDRH Procedure Advanced Procedures This operation will defeat the safety controls required by the appropriate regulatory agencies With the use of these commands the customer assumes all responsibility for safety and proper compliance to CDRH 21 CFR 1040 and 1EC60825 1 The ability to change the state of the CDRH required delay requires remote communication to the Coherent CUBE laser system via USB or RS 232 The CDRH setting is stored in memory The Coherent CUBE laser system provides the ability to adjust the diode threshold level The diode threshold adjustment is made to optimize pulse performance in regards to modulation depth or pulse repetition bandwidth A secondary requirement for the threshold adjustment is to maintain specified modulation bandwidth as the laser diode ages The ability to change the diode threshold level requires remote communication to the Coherent CUBE laser system through USB or RS 232 A higher diode threshold level increases the modulation band width and decreases the modulation depth A lower diode threshold level decreases the modulation bandwidth a
22. O a a o 3 4 Heat star do bibi 3 5 Mounting the Laser Head a A Ace A A 3 5 Power S Pply dot a 3 6 AA A A anced aaa 3 7 Power Connection senie E A A E A EA RAI R 3 9 A A O AG uaa RNa 3 10 Connecting the Laser to the Control BOX ooooooonccnocccoccnonccononcconcconaconononncconccnnnccnnnoos 3 11 A 3 12 Connectors oeni e eae tracers nc has che a aaah aaa haces ideas aioe 3 13 CUBE Laser Operator 5 Manual RS 232 Comedia tirita ed acsbavesvestenss 3 14 4 1 Quick Start for CW Operator it apeabeada onan 4 1 Quick Start for Pulse 0 4 5 Section Five Operati n ui o ts 5 1 TUTO UCA A A E Rias 5 1 A scene sasha pata vais en uals wastel aa satel Pa oaeae A r wel ed aes nas 5 1 Autosta n teen Nad ucts ae tec ER dae AO 5 1 5 2 RS 232 Remote o cds 5 2 0 o 2 5 10 Dicital l Controlee nean e a YEE EPR NTN rR er a tc RAR ERE ROT ROUSE ERI 5 10 Analog Control a nates 5 11 RS 232 Remote Coni A Oda 5 12 Section Six Computer 6 010 6 1 MS AAA A adaauetyancssaunaeane 6 1 Coherent CUBE Connection Software vuicianaittidtia dal a titi 6 1 CUBE Connection Software Installati0N oooonnonoconononancnononananoconnanoconnnanonocnnananonns 6 2 CUBE Connection Tool Bari ni aa a 6 6 0 6 6 Ue Lts 6 6 Print BUON SiS 6 6 Home BUM di 6 6 Settings Buttm aaea ai cist E Aone E Matsa thins Mea renee Ate ts 6 6 ans 6 6 A A A 6 6 But all
23. Operator s Manual Coherent CUBE Laser System 62 COHERENT 5 100 Patrick Henry Drive Santa Clara CA 95054 CUBE Laser Operator s Manual This document is copyrighted with all rights reserved Under the copyright laws this document may not be copied in whole or in part or reproduced in any other media without the express written permission of Coherent Inc Permitted copies must carry the same proprietary and copyright notices as were affixed to the original This exception does not allow copies to be made for others whether or not sold but all the material purchased may be sold given or loaned to another person Under the law copying includes translation into another language Coherent and the Coherent Logo are registered trademarks of Coherent Inc The Coherent CUBE name is a trademark of Coherent Inc Every effort has been made to ensure that the data given in this document is accurate The information figures tables specifications and schematics contained herein are subject to change without notice Coherent makes no warranty or representation either expressed or implied with respect to this document In no event will Coherent be liable for any direct indirect special incidental or consequential damages resulting from any defects in its documentation This product is sold by Coherent pursuant to a limited sublicense under U S Patent No Re 34 729 The rights that customers of Coherent receive through purchase of t
24. S query displays the current system settings The output associated with the S query is shown below The displayed values represent a 405 nm system running in pulse mode CUBE 0 gt S CDRH 1 DST 22 00 SP 50 00 11 T 1 CWw 0 ANA 1 EXT 0 Operation Table 5 4 CW RS 232 Commands and Queries Sheet 3 of 4 COMMAND FUNCTION RANGE DESCRIPTION SP Set Power 0 MAXLP Returns the present laser power setting in Out mW This value represents the last value entered with the P command Software N A Reads the Coherent CUBE firmware Version version STA Operating Returns an integer value representing the Status present Coherent CUBE laser system oper ating status 1 Warm up 2 Standby 3 Laser ON 4 Error 5 System Halted Fatal Error 2M Auto start Returns the status of the auto start control DE 15 pin 3 The auto start pin normally floats high with no connection When this pin is tied to ground computer control is required for laser emission MINLP Min Light Returns the minimum power available in Cont Pwr CW light control mode The value is returned in mW MAXLP Max Light Returns the maximum laser power available Cont Pwr in CW light control mode The value is returned in mW NOMP Nominal N A Returns the nominal CW laser output power Laser Pwr inmW WAVE Laser Wave Returns the laser operating wavelength length based on a diode temperature of 25 C PINT Interlock 0 1 Returns the st
25. an Return the system to Coherent for service ee Checklist 7 Beam Noise Out of Spec All Operating Modes Checklist 8 No RS 232 Communication Checklist 9 Transverse Mode is Not TEMoo Verify proper size of the heat sink refer to heat sink require ments Verify proper operation of the heat sink 1 6 if a fan is used to cool the heat sink make sure it is operating properly Verify the heat sink compound if used is applied evenly between the laser head and the heat sink Verify the surface of the heat sink contacting the laser head is flat Verify ambient temperature does not exceed 40 C CUBE Laser Operator s Manual Checklist 10 Base Plate Over Temperature Repacking Procedure SECTION NINE REPACKING PROCEDURE The following is the factory recommended repacking procedure for the Coherent CUBE laser system This procedure must be followed if the laser system is to be shipped to another location after initial installation or returned to the factory for service Coherent recommends that the shipping box and packing mate rials be saved after initial purchase as they will be required should the laser later be shipped or returned The Coherent CUBE laser system requires one shipping box avail able as part 1065875 Table 9 1 is a complete listing of the compo nents of the shipping crate when the system is shipped from Coherent Table 9 1 Coherent CUBE Sh
26. aser Emission Status Laser Mode Computer Control Note When the Pulse button is active the laser will run at threshold power A laser running at threshold power can be interpreted as a CW laser problem Click the CW button to restore normal CW power levels Laser modulation is controlled by a TTL digital signal through the SMB connector The laser output indicator is a relative display of laser output power Coherent recommends using one of the external laser power meters listed in the back of the user manual for precision measurements of laser output power The laser output power can be changed by two methods Enter a value and click the Set button to change laser power A mouse can be used to drag the slider and click Set to change the laser power Laser Output Laser Output 29 3 40 z i Power Current 20 E gt 5 10 0 z E E 3 Sel 50 02 Sal 50 02 mw OF mA Add a relative laser current display by checking the Show combi nation Power Current gauge on home screen box on the Settings screen The displayed current should be considered a relative value The Green to Red transition indicates maximum laser power Laser Output Indicator CUBE Laser Operator s Manual Temperature The temperature display shows a combination of the current diode Display and base plate temperature The diode temperature represents the measured diode temperature and not the set temperature U
27. atus of the interlock DE 15 or LCK Status pin 1 status 1 Closed 0 Open Protocol Reads the software protocol version Version If the Coherent CUBE firmware is imbedded into a process the PVPS query can be used to check for changes in the command structure If the firmware version changes without changes to the command structure the PVPS query will return the same value for separate firmware versions CUBE Laser Operator s Manual Table 5 4 CW RS 232 Commands and Queries Sheet 4 of 4 COMMAND FUNCTION RANGE DESCRIPTION EXT Ext Commands either the power or current to be Analog laser set by the external Analog Modulation pwr control input A query of this command returns the status of this command EXT 1 for external EXT 0 for internal The external connector is located at the laser pin 8 on the DE 15 connector Turns TE Reads or Sets the TEC status ON 1 Enables temperature control of the laser diode 0 Disables the temperature control and turns off the laser emission automatically CW or Switches the operating mode from CW Pulse Mode CW 1 to pulse CW 0 If pulse mode is set the laser will run at the threshold power if no voltage is present at the digital pulse input connector F The F fault returns the fault status as an integer value repre senting the sum of all current faults FF The FF fault returns the fault status as a two byte binary representation of the curren
28. bol is intended to alert the operator to the danger of Electro Static Discharge ESD susceptibility Symbols Used in This Document lt lt lt CUBE Laser Operator s Manual Laser Safety SECTION ONE LASER SAFETY Because of its special properties laser light poses safety hazards not associated with light from conventional sources The safe use of lasers requires that all laser users and everyone near the laser system are aware of the dangers involved The safe use of the laser depends upon the user being familiar with the instrument and the properties of coherent intense beams of light Direct eye contact with the output beam from the laser will cause serious damage and possible blindness Laser beams can ignite volatile substances such as alcohol gasoline ether and other solvents and can damage light sensitive elements in video cameras photomultipliers and photodiodes Reflected beams may also cause damage For these reasons and others the user is advised to follow the precautions below 1 Observe all safety precautions in the Operator s Manual 2 Extreme caution must be exercised when using solvents in the area of the laser 3 Limit access to the laser to qualified users who are familiar with laser safety practices and who are aware of the dangers involved 4 Never look directly into the laser light source or at scattered laser light from any reflective surface Never sight down the beam into the
29. cedures other than those specified in this manual may result in hazardous radiation exposure The laser contains a manually operated shutter at the beam exit aper ture on the front of the laser head When the shutter is fully closed there is no laser radiation emitted from the laser Secondary Emission Indicator Radiation Exposure Shutter Laser Safety Location of Safety Labels i Hri Pred oe aes CAM LARS SET Taie eatin A ed irm on IF m aa q 3 i a ee iy A i d SHMULHAdY Haav gt Figure 1 1 Safety Labels CUBE Laser Operator s Manual Description and Specifications SECTION TWO DESCRIPTION AND SPECIFICATIONS System Coherent s CUBE laser system combines the very latest semicon ductor laser technology with proven high quality diode laser system Descrip tion manufacturing techniques The Coherent CUBE is the most advanced compact full feature laser system on the market today The Coherent CUBE laser system Figure 2 1 is a complete system with laser head control box power supply and interface cables The system can be mounted to a plate with the appropriate heat sink capability The Coherent CUBE delivers power stability and performance in a small package and at an attractive price The Coherent CUBE can operate in pulse or CW mode and includes complete remote communication and control via RS 232 or USB connection The control box when properly installed and
30. contact and avoid damage to the laser head Many extruded heat sinks are warped and the mounting surface should thus be milled flat within lt 0 05 mm over the mounting surface Installation Thermal Impedance of Heatsink C W N 0 I T T T 20 25 30 35 40 45 50 Ambient Temperature C Figure 3 2 Estimated Heat Sink Requirements for an Ambient Temperature of 45 C CUBE Laser Operator s Manual Coherent s optional heat sink is the result of significant design research and testing The mounting of any laser is important to extend the stability of the beam over time and temperature The heat sink provides proper thermal dissipation and mechanical posi tioning The safety shutter is easily accessible and the rear panel is unobstructed for access and connections Optional Heat Sink Figure 3 3 Optional Heat Sink 2 5 inch beam height Output beam centers on standard table 1 bolt pattern Universal metric and English base bolt pattern e Precision dowel pin laser positioning e Integrated cooling fan e Proven stable performance over time and temperature Safety shutter access Small footprint Rugged design Features Installation Table 3 2 Packing List for Coherent CUBE Heat Sink Accessory ITEM DESCRIPTION QUANTITY Heat Sink Fan Power Connector 1 4 20 Mounting Hardware M6 Mounting Hardware M4 Laser Mounting Hardware 3 16 Wrench
31. e DC power OFF ON Ensure DE 15 connector 18 properly secured with locking screws Verify supply voltage is between 4 8 VDC to 6 5 VDC Use a computer to send LCK or INT If the response is 0 check all interlock connections Send the L 1 command If laser emission is not detected return the system to Coherent for service Check for proper heat sinking of the laser head Use the BT query to ensure the base plate temperature is less than 50 C Issue F command If fault 8 or 16 are returned ensure the ambient temperature is less than 40 C and the base plate temperature is less than 50 C If fault 4 is returned call Coherent for information on restoring factory calibration settings If fault 32 is returned verify all system interlocks are closed If fault 64 or 32768 is returned the system has experi enced a serious problem Return the system to Coherent for service Checklist 1 Interlock Fault Checklist 2 No Laser Emission at Start up Troubleshooting Check for proper heat sinking of the laser head Refer to checklist 10 Check for proper grounding of the laser head laser head cover must be at earth ground Issue F command If fault 8 or 16 are returned ensure the ambient temperature is less than 40 C and the base plate temperature is less than 50 C If fault 4 is returned call Coherent for information on restoring factory calibrati
32. e sales contract The warranty is transferable to another location or to another customer only by special agreement which will include additional inspection or installation at the new site Coherent disclaims any responsibility to provide product warranty technical or service support to a customer that acquires products from someone other than Coherent or an authorized representative THIS WARRANTY IS EXCLUSIVE IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR IMPLIED AND DOES NOT COVER INCIDENTAL OR CONSEQUEN TIAL LOSS COHERENT SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Parts List PARTS LisT DESCRIPTION PART NUMBER SYS CUBE 375 8 ELLIPTICAL 375nm 8mW 1069407 SYS CUBE 405 50 ELLIPTICAL 405nm 50mW 1069408 SYS CUBE 440 16 ELLIPTICAL 440nm 16mW 1069409 SYS CUBE 635 30 ELLIPTICAL 635nm 30mW 1069410 SYS CUBE 785 45 ELLIPTICAL 785nm 45mW 1069411 SYS CUBE 375 8 CIRCULAR 375nm 8mW 1069412 SYS CUBE 405 50 CIRCULAR 405nm 50mW 1069413 SYS CUBE 440 16 CIRCULAR 440nm 16mW 1069414 SYS CUBE 635 25 CIRCULAR 635nm 25mW 1069415 SYS CUBE 785 40 CIRCULAR 785nm 40mW 1069416 CUBE Power Supply 6 VDC 2 5A Switched 1072454 Accessory Heat Sink Coherent CUBE 1073840 Interface Cable Coherent CUBE 1072166 USB Cable Coherent CUBE 1073053 Control Box 1039966 Manual and CD 1079890 2nd Emission Lamp 1079150 Non shorted RCA Plug 104080 Cable Ext
33. ee Installation 2 Connect a signal generator cable impedance Z 500 between the laser head and to the RF source maximum frequency lt 150 MHz The RF Output has to be TTL level VIL lt 0 8 V and VIH gt 2 6 V with an impedance of 50 Q The TTL levels must be maintained for a minimum of 2 5 ns The logic of the laser head electronics is active high which means that the TTL high level is equal to laser on For delays between Trigger pulse and light output refer to Figure 5 1 The control box BNC connector can be used to control the laser power between threshold and 100 with a voltage of 0 V to 5 V respectively The maximum frequency is 350 KHz Analog Control The control box BNC connector can be used to control the laser power at rates up to 350 KHz The control box BNC connector provides the capability to control the laser power with an analog input proportional to the laser output The analog input can be combined with the digital input to control the amplitude of the high frequency modulation signal at the 350 KHz rate For example the laser can be modulated at 150 MHz with a continuously changing amplitude up to 350 KHz Note You must send the EXT 1 command through RS 232 or USB for the Analog Power Control to be active Table 5 6 Modulation Input Connections DE 15 Connector pos o0 sw Analog Input 350 KHz Maximum Bandwidth po 6 Analog Input Ground for Analog Input SMB CONNECTOR
34. ension DE 9 M F 6 ft 1 8 m 1080090 CUBE Laser Operator s Manual Accessories ACCESSORIES Coherent offers a variety of instruments for laser test and measure ment For additional detailed information including product selec tion guides please visit our web site at www Coherent com For the most common diagnostics need measuring the output power of the Coherent CUBE below we recommend two different types of power meters that are ideal fits to the Coherent CUBE product family We have a great product combination that covers that entire wave length range at those power levels The sensor is a temperature stabi lized thermopile that was designed for measurements in the 100 uW 1 W region called a PS10Q We recommend the FieldMax TOP to go with the PS10Q An affordable versatile easy to use digital meter designed for field service and production applications This meter features an easy to read LCD with a backlight as well as direct button driven commands for simple no hassle use FieldMax Top Power Meter Part Number 0012 3790 PS10Q High Sensitivity Part Number 0012 4600 Amplified Sensors Power Meter Accessories First Recommendation CUBE Laser Operator s Manual A hand held inexpensive laser power meter specifically designed to provide power measurements in a small lightweight self contained package that can easily be stored in a pocket or tool kit With i
35. erent representative After unpacking the system save the shipping boxes for poten tial later shipments See Section Nine Repacking Procedure Table 3 1 Packing List for Coherent CUBE Laser System ITEM DESCRIPTION QUANTITY Coherent CUBE Laser Coherent CUBE Power Supply Coherent CUBE Manual CUBE Connection Software CD Coherent CUBE Control Box Coherent CUBE Interface Cable USB Cable Modified M4 Mounting Screws Take appropriate ESD precautions when handling and installing the laser Refer to page 1 2 for complete description Receiving and Inspection CUBE Laser Operator 5 Manual Heat Sink It is imperative that the laser head be adequately heat sinked other wise it will overheat and shut down in a matter of seconds Requirement Figure 3 1 shows the heat dissipation of the Coherent CUBE laser head for a given baseplate temperature The graph on Figure 3 2 allows determination of the heat sink thermal impedance require ment based on the anticipated maximum ambient temperature of 40 C 2 E 8 1 T I 0 T T T T T T 20 25 30 35 40 45 50 55 Baseplate Temperature C Figure 3 1 Estimated Heat Dissipation of the Coherent CUBE Laser Head Note Heat Dissipation Varies with Diode Current Level For example if the maximum expected ambient temperature is 35 C the heat sink thermal impedance needs to be 2 7 C Watt The mounting surface of the heat sink must be flat to ensure good thermal
36. es the safety features built into the laser Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radi ation exposure It is the policy of Coherent to comply strictly with U S export control laws Export and re export of lasers manufactured by Coherent are subject to U S Export Administration Regulations which are administered by the Commerce Department In addition shipments of certain components are regulated by the State Department under the Inter national Traffic in Arms Regulations The applicable restrictions vary depending on the specific product involved and its destination In some cases U S law requires that U S Government approval be obtained prior to resale export or re export of certain articles When there is uncertainty about the obligations imposed by U S law clarification should be obtained from Coherent or an appropriate U S Government agency Vili Preface U S Export Control Laws Compliance Preface This symbol is intended to alert the operator to the presence of important operating and maintenance instructions This symbol is intended to alert the operator to the danger of exposure to hazardous visible and invisible laser radiation This symbol is intended to alert the operator to the presence of dangerous voltages within the product enclosure that may be of sufficient magnitude to constitute a risk of electric shock This sym
37. eyswitch on the control box is in the OFF position The laser has been connected to the power supply The power supply has been connected to electrical power l The Coherent CUBE laser system is shipped in CW auto start mode with a 5 second CDRH required delay The laser emission will be active approximately 5 seconds after the keyswitch is set to the ON position Apply system power with the power supply rocker switch Turn the control box keyswitch to the ON position to initiate laser emission Laser emission occurs approximately 5 seconds after the keyswitch is set to the ON position Take appropriate safety measures to avoid exposure to direct or reflected laser radiation Move the laser shutter to the OPEN position as indicated on the laser head top label The factory default system configuration and the procedure described above will allow for computer control without addi tional configuration settings Introduction CW Operation Auto start CUBE Laser Operator s Manual Refer to the paragraph titled RS 232 Remote Control in this section for a complete list 01 computer controls and queries All remote computer settings are stored each time the system is powered down Use the S query to display a complete list of current settings The Coherent CUBE laser system provides the capability to control the output power with an external voltage source Input the analog voltage through the control box BNC connec
38. f the base plate temperature exceeds 50 degrees the software will protect the diode by interrupting laser emission When the temperature returns below 50 degrees laser emission will be restored automatically Interlock Status The interlock status is updated continuously When the Control Box key is in the On position the status will display as closed If the key is switched to the Off position the status will display as open Hours The Hour Counter displays the current hours of laser diode operation The counter increments when laser emission is active When the laser is in Standby the counter does not increment If the laser diode is replaced the hour counter will represent the hours of the installed diode CUBE Laser Operator s Manual Fault Screen The Fault Screen displays the status of available system faults This screen is updated continuously When a fault is cleared the associ ated fault indicator will be removed Z gt Cube abren sore 5 8230501 E sl 20 al 2 Cubea ammi Maihi Lisi 6 CUBE gt E Cee Curent in OC Proce inr Coden 15 Cinde Tempe E llass Pala To CEP Roe Checkaum Fo Eater OE Table 6 2 Fault List FAULT DESCRIPTION Fatal Error A fatal error occurs with the CUBE firmware does not have the capability to control all laser operation parameters Checks and balances are made continuously to ensure proper laser operation If the laser fir
39. files or the active CUBE Connection window Select the type of print function and click OK to print on the selected printer a The Home button will switch to the Home screen Review the Home screen for additional detail associated with screen functions _ The Settings button will switch to the Settings screen Review the Settings screen for additional detail associated with screen func tions The Information button will switch to the Information screen Review the Information screen for additional detail associated with screen functions A The Fault button will switch to the Fault screen Review the Fault screen for additional detail associated with screen functions CUBE Connection Tool Bar Open Button Save Button Print Button Home Button Settings Button Information Button Fault Button Computer Control 3 The Terminal button will switch to the Terminal screen Review the Terminal screen for additional detail associated with screen functions PERESA The System Status is displayed at the bottom of all CUBE Connection screens The status indicates normal oper ation or fault condition If a fault condition is indicated check the Fault Screen for the specific fault If a fault has the capability to reduce laser diode life laser emission will be interrupted until the fault is resolved The CUBE Connection Home Screen displays common information associated with the laser operat
40. for the selected system When Manual Mode is active laser emission is automatic following diode temperature stabilization and CDRH delay condition When Manual Mode is disabled the Laser On button on the Home Screen must be clicked to initiate laser emission Manual Mode is also referred to as Auto start and is controlled by the state ofPin 1 on the DE 15 or I O connector No connection to this pin defaults to Auto start enabled When this pin is pulled low laser emission must be initiated with the CUBE Connection software Nominal Power The Nominal Power represents the normal laser output power Refer to the Max Light Ctrl Pwr for the maximum laser output power available Min Light Ctrl Pwr The Minimum Light Control Power represents the laser threshold output power The value listed will correspond to the laser output power with the system is running in Pulse Mode without a digital input to the SMB connector Max Light Ctrl Pwr The Maximum Light Control Power represents the maximum power setting available Diode Current The diode current displays the relative laser diode current This is an indirect measurement and is not considered absolute Use diode current as a tool to observe changes in diode current Diode Temp The diode temperature is the measured diode temperature This value is updated continuously The diode set temperature is displayed on the Options screen Base Plate Temp The base plate temperature is updated continuously I
41. h software functions The CUBE connection software is compatible with all USB versions of Coherent CUBE systems The Coherent CUBE connection software CD contains the software and USB drivers necessary to operate the Coherent CUBE remotely via USB To start the installation process insert the Coherent CUBE connection CD into the your computer CD drive The Coherent CUBE connection software installation will Auto start The Coherent CUBE connection software installation process will load the necessary USB drivers automatically The following text and illustrations will walk you through the software installation process Cube Connection Installation Intializeng Wire Installation Wiradi 1 The Coherent CUBE connection software installation will be initiated with the preceding dialog 2 The first installation dialog will prompt the user to close all windows programs prior to proceeding with the installation Click Next to continue the installation process 3 The second installation dialog will display the default location for the Coherent CUBE connection software installation Click Next to continue the installation or click Browse to select a desired installation location 4 The third installation dialog displays the program manager designation for the Coherent CUBE connection software The text will appear when you click Start then Programs in Windows 5 The fourth installation dialog completes the
42. he laser on the optional Coherent CUBE heat 4 Op eration sink or mounting surface capable of providing adequate thermal dissipation Refer to Figure 3 2 for heat sink require ments 2 Secure laser to mounting surface using 6 32 or M4 screws Torque to 10 in lb using a diagonal pattern Figure 4 1 Cable Connection Setup CUBE Laser Operator 5 Manual 3 Connect the interface cable to the laser USB Connector 7 Y m 5 Figure 4 2 Connect the Interface Cable to the Laser 4 Tighten the connector shell screws to ensure reliable system operation For additional information refer to paragraph titled Interface Cable In Section Three Installation 5 Connect the power supply Pin 2 Ground Tab Figure 4 3 Connect the Power Supply Quick Start 6 Connect the control box Ensure the keyswitch is in the OFF position Figure 4 4 Connect the Control Box 7 Ifcomputer control is desired connect the USB or serial inter face cable Review Table 3 6 For RS 232 Connection Details a Er Figure 4 5 Connect the USB or Serial Interface Cable CUBE Laser Operator s Manual 8 Apply power to the laser using the power supply rocker switch 9 Turn the control box keyswitch to the ON position to initiate laser emission The Coherent CUBE laser system is shipped in CW auto start mode with a 5 second CDRH required delay The laser emission will be active approximately 5
43. hecklist 4a Low Power RS 232 Control tdi cds 8 3 Checklist 4b Low Power Auto start Mode cccccccsssscesseceeseeceeseecesseeceseeeceseeecsseeeesseees 8 4 Checklist 5 Excessive Scattered Light All Operating Modes 8 4 Checklist 6 Output Power Not Stable All Operating Modes 8 4 Checklist 7 Beam Noise Out of Spec All Operating 1100168 8 5 Checklist 8 No RS 232 Communication adrian toi distin 8 5 Checklist 9 Transverse Mode is Not 7 8 5 Checklist 10 Base Plate Over 8 6 Section Nine Repacking cess tesstessteeseesseee 9 1 Warranty AA O II EER A 1 Responsibilities of the o dr al A 1 A 1 Parts B 1 SO A EE 1 Power Meter 0 ein cs C 1 First Recommendation nen eii aE EE EA E E C 1 Alternative Recommendation gat ciie cial crest eactanceaeusesres Meat wnstduetiosata tata tyenanlee C 2 CV OSS A 0 Glossary 1 OR A ht te AE te oh at he Index 1 CUBE Laser Operator 5 Manual LIST OF ILLUSTRATIONS Safety La O 1 5 Cohierent CUBE Laser ads 2 1 Coherent CUBE Laser System Components sic s0 3 ssca1 cccatavescadasesaceadancdecthiancdachonveseehaasas 2 2 Coherent CUBE System Schmid 2 3 Coherent CUBE Laser Head oneal sacri id 2 6 Optional AAA cad Gedacecessecceseactasupessess sl ncdavesinnaeseweadl 2 7 Coherent CUBE Power Supply Dimensions 0 c ccsccssecseseccseccesacessstensccssenesacenaneees 2 8 Coherent CUBE Control
44. his product are restricted and exclude any right to use the product in the telecommunications field Technical Support In the US Should you experience any difficulties with your laser or need any technical information please visit our web site www Coherent com Additional support can be obtained by contacting our Technical Support Hotline at 800 367 7890 408 764 4557 outside the U S or E mail clg tech services Coherent com Telephone coverage is available around the clock except U S holidays and company shutdowns If you call outside our office hours your call will be taken by our answering system and will be returned when the office reopens If there are technical difficulties with your laser that cannot be resolved by support mechanisms outlined above please E mail or telephone Coherent Technical Support with a description of the problem and the corrective steps attempted When communicating with our Technical Support Department via the web or telephone the Support Engineer responding to your request will require the model and Laser Head serial number of your laser system Outside the U S If you are located outside the U S visit our web site for technical assistance or contact by phone our local Service Representative Representative phone numbers and addresses can be found on the Coherent web site www Coherent com Coherent provides telephone and web technical assistance as a service to its customers and assumes no
45. input protection permanent damage may occur on devices subjected to high energy electrostatic discharges There fore proper ESD precautions are recommended to avoid perfor mance degradation The most common ESD damage occurs while handling the device during installation or use Please take necessary measures to protect the system from ESD Dry air and carpet can create even higher potential for ESD Precautions or shielding need to be taken for demonstrations or trade show exhibitions Electrical Safety Laser Safety The Coherent CUBE laser system complies with all of the require ments of CDRH 21 CFR Subchapter J and EN60825 1 when used with this control box The CDRH accession number is 0420530 00 The Coherent CUBE laser system is classified by the United States National Center for Device and Radiological Health CDRH as a CLASS 1116 laser product It emits VISIBLE AND INVISIBLE LASER RADIATION of 0 3 1 0 um wavelength from the aperture in the front of the laser head The laser radiation is entirely contained within a metal protective housing except for the laser beam aperture The protective housing should never be opened The control box is provided with a remote interlock circuit that prevents the generation of laser radiation when open This interlock circuit is fail safe or redundant The interlock circuit is described further in the paragraph titled Interlock Requirements in Section Five Operation The con
46. ion The Current Gauge can be displayed or hidden with a check box on the Setting Screen Specific Faults are displayed on the Fault Screen A sala 510 54 aomen Laser Y TRER Mode Hote Cemit om Br m aS TG 4 Lyon DE Terminal Button System Status CUBE Connection Screens Home Screen CUBE Laser Operator 5 Manual The displayed icon color indicates the wavelength of the laser connected to the CUBE Connection software The values listed do not indicate the exact laser wavelength The specific diode wave length is shown on the system serial number label The Hour Counter displays the current hours of laser diode opera tion The counter increments when laser emission is active When the laser is in Standby the counter does not increment If the laser diode is replaced the hour counter will represent the hours of the installed diode Hour Counter The laser emission status indicate the current state of laser output and system status The central indicator also shows Standby CDRH Delay and System Faults The ON and OFF buttons are used to toggle laser emission on and off The Laser Mode buttons are used to set the laser output mode The Analog button is used to activate the External Analog Input When the Analog button is active the laser output is controlled by an external voltage source input to the Control Box BNC connector Mods f ow Wavelength Icon Hour Counter L
47. ipping Box Contents 1 Repack laser into ESD safe bag Repack laser into ESD safe foam and black box Repack power supply into box Place laser and power supply into the system box Replace top foam over parts Close box and tape securely Y Ep yw Always write the RMA number on the outside of the box 1f returning the product for service CUBE Laser Operator s Manual Warranty WARRANTY Coherent Inc warrants the Coherent CUBE laser systems to the original purchaser the Buyer only that the laser system that is the subject of this sale a conforms to Coherent s published specifica tions and b is free from defects in materials and workmanship Laser systems are warranted to conform to Coherent s published specifications and to be free from defects in materials and workman ship for a period of twelve 12 months Replacement units shipped within warranty carry the remainder warranty of the failed unit The Buyer is responsible for providing the appropriate utilities and an operating environment as outlined in the product literature Damage to the laser system caused by failure of Buyer s utilities or failure to maintain an appropriate operating environment is solely the responsibility of the Buyer and is specifically excluded from any warranty warranty extension or service agreement The Buyer is responsible for prompt notification to Coherent of any claims made under warranty In no event wil
48. ired the system will auto start without additional hardware or settings required 12 For RS 232 communication use the following settings Table 4 2 RS 232 Communications a 13 For USB communication refer to the paragraph titled USB Control in Section Five Operation 14 Once remote communication is established use the CW 0 command to set pulse operation mode When pulse mode is active the laser modulation will be controlled by the TTL input through the SMB connector 15 Use the CAL command to control the amplitude of the pulse output Enter a power lt value gt in mW using the following command for example CAL lt value gt Refer to the paragraph titled RS 232 Remote Control in Section Five Operation for a complete list of computer controls and queries All remote computer settings are stored each time the system is powered down Use the S query to display a complete list of current settings CUBE Laser Operator s Manual Operation SECTION FIVE OPERATION Normal operation assumes that the following initial configuration steps have been taken Laser system has been mounted with the proper heat sink and torque specifications Refer to the Section Three Installation for heat sink and torque requirements The interface cable has been connected to the laser power supply and control box The main power switch on the power supply is in the OFF the 0 position The k
49. ity is defined by the triangular tab located at the top of the connector Pin 2 Ground Figure 3 7 Interface Cable 2 Pin Connector CUBE Laser Operator 5 Manual Control Box The Coherent CUBE control box is connected to the laser interlock The keyswitch will initiate or interrupt laser emission in the same fashion as the interlock The BNC connector provides access to the CW power control line for laser power control up to 350 KHz Use the RCA rear connector in series with an external interlock Modulation connector used for analog modulation up to 350 KHz Green LED emission indicator to show that system is active and interlock is closed Keyswitch to turn laser output Off and On 5 second delay at power On Figure 3 8 Control Box Front Panel View 9 Pin connector between the control box and the CUBE interface cable Interlock RCA Jack Figure 3 9 Control Box Back Panel View 3 10 Installation 1 Connect the 5 pin I O cable of the control box cable to the interface cable Figure 3 10 5 Pin VO Cable Connected to the Interface Cable 2 Confirm the control box keyswitch is in the OFF position OFF ON Figure 3 11 Control Box Keyswitch 3 Close the interlock with the supplied shorted RCA plug or connect the interlock to a remote interlock switch Connecting the Laser to the Control Box CUBE Laser Operator s Manual The interlock is a fused 5 VDC signal li
50. ke small wavelength adjustments The diode temperature adjustments are made through remote computer commands only Note Small changes in diode temperature may reduce CW laser noise resulting from Mode Hops Change the diode temperature in 0 5 degree increments while monitoring laser noise The Coherent CUBE laser system provides safeguards to ensure the laser diode is never exposed to temperatures that could cause damage Elevated diode temperatures are proven to reduce diode life time The factory default temperature is 22 C The maximum difference between the base plate temperature and the diode temperature is 28 C For example the factory diode set temperature is 22 C to allow for a maximum base plate temperature of 50 C If the diode set temperature is reduced to 20 C the maximum base plate temperature will be 48 C Reduced diode temperatures combined with elevated base plate temperatures may cause damage to the laser diode and the system electronics The Coherent CUBE laser system will log overtemperature events and void the warranty 1 Refer to the USB and RS 232 computer control sections to establish remote communication with the Coherent CUBE laser system 2 Enter the DST lt value gt command to set the diode tempera ture The number that you enter for the lt value gt represents an integer value for the proposed diode temperature Fractional diode temperature adjustments are allowed with the Coherent
51. l Coherent be respon sible for warranty claims made later than seven 7 days after the expiration of warranty The foregoing warranty shall not apply to defects resulting from any of the following conditions Components and accessories manufactured by companies other than Coherent which have separate warranties Improper or inadequate maintenance by the Buyer Buyer supplied interfacing Operation outside the environmental specifications of the product e Unauthorized modification or misuse Improper site preparation and maintenance Opening the housing Coherent assumes no responsibility for customer supplied material The obligations of Coherent are limited to repairing or replacing without charge equipment that proves to be defective during the A 1 Responsibilities of the Buyer Limitations of Warranty CUBE Laser Operator 5 Manual warranty period Replacement sub assemblies may contain recondi tioned parts Repaired or replaced parts are warranted for the dura tion of the original warranty period only The warranty on parts purchased after expiration of system warranty is ninety 90 days This warranty does not cover damage due to misuse negligence or accidents or damage due to installations repairs or adjustments not authorized specifically by Coherent This warranty applies only to the original purchaser at the initial installation point in the country of purchase unless otherwise spec ified in th
52. llation 5 Connect the power supply Pin 1 6 V Pin 2 Ground Tab Figure 4 8 Connect the Power Supply Quick Start 6 Connect the control box Ensure the keyswitch is in the OFF position p pa ca Figure 4 9 Connect the Control Box 7 Connect a computer to USB or serial interface connection Review Table 3 6 For RS 232 Connection Details Figure 4 10 Connect the USB or Serial Interface Cable CUBE Laser Operator s Manual A null modem cable will not operate the Coherent CUBE laser system Table 4 1 RS 232 Pin Connections ee f o 8 Connect the external pulse source to the SMB connector The SMB input connector requires a 50 Q input impedance The digital input requires a TTL high for laser on and TTL low for laser off The laser will start in CW mode at full power prior to sending the CW 0 command for pulse operation 9 Apply power to the laser using the power supply rocker switch 10 Turn the control box keyswitch to the ON position to initiate laser emission The Coherent CUBE laser system is shipped in CW Auto start mode with a 5 second CDRH required delay The laser emission will be active approximately 5 seconds after the keyswitch is set to the ON position Quick Start 11 The factory default system configuration and the procedure described above will allow for computer control without addi tional configuration settings If computer control is not des
53. ly with a calibrated power meter prior to any external optics Allow the system to warm up for at least 5 minutes Verify output window is clean 8 4 Checklist 4b Low Power Auto start Mode Checklist 5 Excessive Scattered Light All Operating Modes Checklist 6 Output Power Not Stable All Operating Modes Troubleshooting Verify all cable connections are secure Measure base plate temperature over a 5 minute period If base plate temperature is not stable check for proper heat sinking Refer to checklist 10 If using the control box for laser power control verify a stable input voltage to the BNC connector Return the system to Coherent for service Please make sure beam noise is measured prior to any external optics Verify output window is clean Check for proper heat sinking Verify there is no vibrations at laser Check for proper grounding of laser cover Return the system to Coherent for service Verify all connections are secure Verify RS 232 setting baud rate etc See RS 232 control section Ensure the communication cable is not a Null modem Verify cable length does not exceed 5 m Use a second computer to exclude a defective RS 232 port at the controlling computer Return the system to Coherent for service Please make sure beam is observed prior to external optics If the beam quality is correct clean the external optics Verify output window is cle
54. mware does not receive acknowledgment associated with proper system operation the Fatal Error fault will be set Ifrestarting the laser system does not clear this error the system should be returned to Coherent for repair I2C Processor Error This error occurs when the process sends a command to the hardware and the appropriate response does not occur If the processor and hardware do not synchronize the 12C Processor Error is set If restarting the laser does not clear the error the system should be returned to Coherent for repair External Interlock When the Control Box key switch is set to the Off position the External Interlock fault is set When the key switch is returned to the On position the fault will immediately be cleared Laser emission will be restored following verification of diode temperature and CDRH delay status Diode Temperature The Diode Temperature fault is set when the measured diode temperature exceeds a differ ence of 5 degrees from the set temperature When the Diode Temperature fault is set laser emission is interrupted to protect the diode from damage When the diode temperature differ ence is less than 5 degrees laser emission will be restored following verification of CDRH status Base Plate Temper The Base Plate Temperature fault is set when the base plate temperature exceeds 50 degrees ature When the Base Plate Temperature fault is set laser emission is interrupted to protect the diode from damage
55. nd increases the modulation depth 1 Refer to the paragraph titled USB Control and the paragraph titled RS 232 Remote Control in Section Five Operation to establish remote communication with the Coherent CUBE laser system 2 Use the ABIAS lt value gt command to adjust the diode threshold level A larger value increases the laser threshold output power A smaller value decreases the laser output power The values are entered in mA with an available range of 25 mA to 75 mA Use the ABIAS command to reset the Threshold level to 1 200 of the nominal laser power Diode Threshold Calibration Diode Threshold Adjustment Procedure CUBE Laser Operator s Manual 3 Use an external power meter to measure the laser threshold level Dividing the full laser output power by the threshold level represents the modulation depth 4 The present diode threshold level is stored in memory 5 The ABIAS command does not effect CW laser operation This factory setting was tested to ensure both modulation band width and modulation depth Troubleshooting SECTION EIGHT TROUBLESHOOTING Introduction If you experience problems with the Coherent CUBE laser system explore the following checklist If you are not successful in solving the problem or need further assistance please contact Coherent Technical Support in the US 1 800 367 7890 or worldwide local Coherent service representative see www Coherent com for con
56. ne Do not connect to a ground circuit or the internal fuse may blow Interlock shorting RCA plug Figure 3 12 Control Box Interlock Connection Interlock The control box can be connected to a remote switch to disable the Control system in the event that a door or panel is opened The interlock switch must be wired in series with the interlock RCA connector INTERLOCK Open Laser Off Closed Laser On The interlock is a fused 5 VDC line Do not ground the inter lock or apply any outside power to the circuit When the interlock is returned to the closed position a 5 second delay will occur before laser emission 3 12 Installation I O Connector The eight pin I O connector is provided for access to the laser control and status pins Use the following table to determine the functions required for your application Table 3 5 VO Connector FUNCTION DIRECTION DESCRIPTION 1 Auto start Input TTL 0 TTL 1 The auto start pin is active with no connection When auto start is active the laser will start automatically following the 5 second CDRH required delay Computer control is available in auto start When the auto start is not active all laser functions are computer controlled Laser Input TTL 0 TTL 1 The Laser On Enable pin is used to trigger laser emis On Enable sion externally Even when the laser emission is not active the temperature control is enabled 4 General Output The general fault pin is
57. ns Additionally the beam is formed by a prism pair to achieve a round beam in the far field A thermoelectric cooler is integrated for stabilizing the diode laser Excess heat is removed via the baseplate of the laser The construction details of the Coherent CUBE laser head are shown schematically in Figure 2 3 DE 15 pin functions are described in Table 3 4 ES ES Thermal era Controller era Photodiode la Box la ENN Interlock Circul Ircular A e Laser Beam ES Prisms E a 232 Temperature 7 Controlled Plate USB SX Input Es Diode Es Digital Input SMB Figure 2 3 Coherent CUBE System Schematic Optio nal The optional heat sink is available to ensure heat sinking of the laser Heat Sink head if this is not covered by the OEM integration This heat sink has sufficient cooling capacity for ambient temperatures up to 40 C For dimensions see Figure 2 5 Power Su pp ly The power supply is a universal AC input with a DC regulated output Use only the Coherent approved power supply that comes standard with every system Beware of other supplies that may look similar but have different output voltages that could damage the Coherent CUBE laser system For dimensions see Figure 2 6 CUBE Laser Operator 5 Manual Control Box The control box offers an ON OFF keyswitch a remote interlock an emission indicator and a 5 second delay With these safety features the system is compliant to CDRH regulations The modulation
58. ocol version If the Coherent CUBE firmware is imbedded into a process the 2 25 query can be used to check for changes in the command structure If the firmware version changes without changes to the command structure the PVPS query will return the same value for separate firmware versions Reads or Sets the TEC status 1 Enables temperature control of the laser diode 0 Disables the temperature and turns the laser emission off automatically Switches the operating mode from CW CW 1 to pulse CW 0 If pulse mode is set the laser will run at the threshold power if no voltage is present at the digital pulse input connector Switches between control of the current ANA 1 or power ANA 0 by the external analog control line A query of this command returns the status of this command The ANA 1 command is not available in CW mode Commands either the power or current to be set by the external Analog Modulation input A query of this command returns the status of this command EXT 1 for external EXT 0 for internal The external connector is located at the laser pin 8 on the DE 15 connector Sets the calibration of the laser output power in pulse mode by Closing the light feedback loop Adjusting the current to bring the power back to a specified set level Entering a value for the CAL command sets the amplitude of a digital pulse to a specified level 2INT Interlock or LCK Status Pro
59. on settings If fault 32 is returned verify all system interlocks are closed If fault 64 or 32768 is returned the system has experi enced a serious problem Return the system to Coherent for service Check for proper grounding of the laser head head cover must be at earth ground potential Verify the power supply is providing a voltage between 4 8 VDC and 6 5 VDC Measure base plate temperature If it exceeds 50 C check for proper laser head heat sinking refer to checklist 10 If using external interlocks verify all external interlocks are closed Return the system to Coherent for service Please measure power only with a calibrated power meter prior to any external optics or use P command to obtain output power If the system does not achieve the specified maximum power level use the SP and MAXLP query to ensure the output power is set to a maximum MAXLP Make sure output window is clean Use the P RS 232 query to check the current laser power If the returned value does not represent the expected laser power use the P lt value gt to set the desired laser power If system does not respond to the P command verify proper RS 232 set up Checklist 3a System Shuts Down RS 232 Control Checklist 3b System Shuts Down Analog Control and Auto start Checklist 4a Low Power RS 232 Control If the value returned by P differs from the
60. ontrol Commands gt Prompt ABIAS Diode Threshold Current ANA Analog Current Mode CAL Calibrate Laser Power In Pulse CW CW or Pulse Mode CDRH Laser Delay CLS Clear Text DST Diode Set Temp E Echo EXT External Laser Power Mode Laser Laser Power IN amp OUT TEC Query commands lt Prompt status ABIAS Diode Threshold Current ANA Analog Current Mode BT Base Plate Temp C Laser Diode Current CDRH Laser Delay 2CW CW or Pulse Mode DST Get Diode Temp DT Diode Present Temp E Echo EXT External Laser Power Mode F Fault Bits Decimal FF Fault Bits Binary FL Fault List HH Hour Counter HID Head ID Value INT Interlock Status LCK Interlock Status L Laser M Manual Auto Start 2MAXLP Max Light Constant Pwr 2MINLP Min Light Constant Pwr 2NOMLP Nominal Laser Pwr OT Over Temp 2PVPS Protocol SP Get Laser Power 2STA Operating Status Number 2SVPS Software 2SV Software Version TL TEC WAVE Laser Wavelength The S query displays the current system settings The output associated with the S query is shown below The displayed values represent a 405 nm system running in pulse mode CUBE 0 gt 5 CDRH 1 DST 22 00 SP 50 00 L 1 T 1 CWw 0 ANA 1 EXT 0 CUBE Laser Operator 5 Manual Table 5 9 Pulsed RS 232 Commands and Queries Sheet 4 of 4 COMMAND FUNCTION RANGE DESCRIPTION 0 1 Returns the status of the interlock DE 15 pin status 1 Closed 0 Open Reads the software prot
61. operated allows for the Class IIIb CDRH Class 3B IEC laser system to conform to the CDRH 21 CFR 1040 and IEC60825 1 requirements for a conforming system The system is tested and certified at the factory to ensure all the safety features are operational Bypassing or otherwise disabling these safety features will invalidate the confor mity to the CDRH and IEC regulations The optional heat sink accessory provides a solid foundation for cooling to a maximum ambient temperature of 40 C The solid heat sink foundation is designed to maintain the specified system pointing stability The heat sink includes a fan that connects directly to the power supply included with each system English and metric mounting hardware is also included Figure 2 1 Coherent CUBE Laser System 2 1 CUBE Laser Operator 5 Manual Features e Single transverse mode Thermoelectrically cooled for extended life Compact package e High quality glass optics Maximum digital pulse control 150 MHz Maximum analog output control 350 KHz Circular or elliptical beams RS 232 and USB remote communication Coherent CUBE connection software Shutter Control box for regulatory compliance Optional heat sink Figure 2 2 Coherent CUBE Laser System Components 2 2 Description and Specifications Laser Head The Coherent CUBE laser system is a direct emitting semiconductor laser The output beam of the diode is collimated by a high aperture le
62. ored into memory so it remains the same even after a power on off cycle CDRH 5 Second 0 1 Toggles the CDRH required 5 second Delay ON OFF emission delay on and off BT Base Plate 0 55 Returns the present base plate temperature Temp in degrees Celsius 6 Laser Diode 0 255 Returns the present operating current of the Current laser diode in mA CLS Clear Screen N A Clears text from a serial communication screen DST Diode Set 15 35 Returns the set temperature of the laser Temp diode in degrees Celsius DT Diode Present 15 35 Returns the present measured temperature Temp of the laser diode in degrees Celsius Echo Sets or reads Echo Off feature This ON OFF feature turns the echo on the serial commu nication terminal on or off This feature is useful if a computer script program instead of a es were controlling the laser 2P Fault Number Number See See Table 5 5 for fault codes 5 5 for fault codes FF a Binary See a 5 5 for fault codes Code See Table 5 5 for fault codes Usage Hours Returns present head hours with a Head HH HH resolution The head hours are stored in 1 minute intervals Returns head serial number system part number and nominal wavelength The value is returned as a comma delimited string Laser 0 1 Sets the laser status ON OFF 1 Turns the laser on The TEC servo must beon T 1 tosetL 1 0 Turns the laser output off aser 0 MAXLP Sets laser
63. ponsibilities A 1 C Cable Interface 3 7 CDRH Feature 7 2 Classification laser 1 3 Connections Laser to the Control Box 3 11 Power 3 9 Software 6 1 Control box 2 4 3 10 Dimensions 2 8 Interlock connection 3 12 Keyswitch 3 11 CUBE laser system 2 1 CW operation 4 1 5 1 D Digital control 5 10 Dimensions 2 6 Control box 2 8 Heat sink 2 7 Laser head 2 6 Power supply 2 8 Diode temperature Adjustment procedure 7 1 Control 7 1 Diode threshold Adjustment procedure 7 3 Calibration 7 3 Disable CDRH Procedure 7 2 H Heat dissipation 3 2 Heat sink Dimensions 2 7 Heat dissipation 3 2 Installation 3 5 Optional 2 3 Requirements 3 2 3 3 Heat sink optional 3 4 I TO connector 3 13 Installation 3 1 Symbols used in this document ix System description 1 System standby Sleep mode 8 T Timing diagram 5 10 Troubleshooting 8 1 U U S export control laws compliance Compliance issues viii USB control 1 USB driver installation 6 2 W Warranty limitations A 1 Index 2 CUBE Laser Operator s Manual S Safety Features 1 3 Glasses 1 1 Label location 1 5 Labels 1 5 Laser 1 1 Optical 1 1 Safety features 1 3 CDRH compliance 1 3 Key control 1 3 Laser emission indicators 1 3 Protective housing 1 3 Remote interlock 1 3 Shutter 1 4 Software connection 6 1 Specifications 2 1 2 4 Power Supply 3 6 Coherent CUBE Laser System Operator 5 Manual O Coherent Inc 03 2005 Printed in the U S A Coherent Par
64. put Voltage 6 VDC Input Current gt 0 5 A at 90 VAC input Output Current 2 5 A Input Frequency 47 Hz to 63 Hz Rated Output Power 15 W Maximum Output Regulation 5 Line Voltage Regulation 1 Typical Measured at Full Load Installation Interface Cable The Coherent CUBE system includes a full function interface cable The interface cable can access all functions available in the Coherent CUBE system Separate connectors are provided for similar func tions Custom DE 15 cables can be constructed to interface directly to the Coherent CUBE system for OEM applications D Y p0000 0000 lt lt 00000000 00000000 i 305 mm 14 356 mm y 18 406 mm HD 15 MALE 6 VDC IN RED BLK 113 6 VDC RETURN BLK Figure 3 5 Interface Cable q RED POWER gt BLK 2nd Emission AT pen indicator Connection th BLK 258 8 A BRN vo GRN 1 5 RI BLU 71 YEL Seo Table 3 5 8 WHT for pin description 89 1 2 BLK 5 CDRH a ae 1 i8 2 3t 4 rg BLK 6 7 8 SHIELD 9 CASE OF D 9 Figure 3 6 Interface Cable Description
65. r Retur laser OH status bo hast tale wherseding Sleep mode Options Screen Options CUBE Laser Operator s Manual The CDRH Five Second Delay radio button are used to toggle emis sion delay status When the Enable button is selected a five second delay is applied each time laser emission is interrupted These inter ruptions include an open interlock and fault conditions When the Disable button is selected laser emission will be immediately restored The system is shipped with the CDRH delay active to maintain compliance with CDRH regulations CORA Five Second Delay C Enable f Digable CORH Disable Warning JN Warning This operation wili defeat the safety comirols required by the appropriate regulatony agencies With selection of this option the customer assumes all responsibility for safety and proper compliance to CDRH 21 CFR 1040 and ICE60825 4 The CDRH setting is stored in memory Do you wish to cominue Denet display this message again Cancel IE The External Analog Power Control radio button is used to set the state of power control When the External Analog Power Control is enabled the laser output power is directly controlled by the Analog signal input through the Control Box BNC connector When the External Analog Power Control is disabled the laser output power is controlled by the CUBE Connection software f External Analog Power Control C Enable Disable CDRH Five Second Delay E
66. r kom lo i Ja Gh Installat han fou aie now ready lo wnetall Cube Connector Press the Nest button bo begin the inatalation or the Back button to reenter the instalation information 9 The Coherent CUBE connection software installation complete Computer Control Hna xj 17 z COMA Tata on A ee ss e a ra All Fine Tire hessiring J seconds A Enstallation Complete Press the Finish button to esit thes installation This stem mst be recharted lo complete the instalaton Press the DR button to restart this compulal Pass Cancel bo rebum to inia without restating CUBE Laser Operator 5 Manual salsa 68 A The CUBE Connection Tool Bar provides quick access to CUBE Connection screens and functions Menu access to the Open Save and Print functions is located in the File menu Menu access to CUBE Connection screens is located in the View menu The Open button will display a standard Windows Open dialog The default file type 18 cfg representing Configuration file The Configuration file is used to store and recall all CUBE Connec tion settings The Save button will display a standard Windows Save dialog Enter a desired file name and click Save to store all current CUBE Connection settings to a cfg file Use the Open button to restore these settings later _ The Print button provides the capability to print Configuration
67. remains the same even after a power on off cycle CDRH 5 Sec 0 1 Toggles the CDRH required 5 second Delay ON OFF emission delay on and off BT Base Plate 0 55 Returns the present base plate temperature Temp in degrees Celsius 20 Laser Diode 0 255 Returns the present operating current of Current the Laser diode in mA CLS Clear Screen N A Clears text from a serial communication screen DST Diode Set 15 35 Returns the set temperature of the Laser Temp diode in degrees Celsius DT Diode Present 5 Returns the present measured temperature Temp of the laser diode in degrees Celsius E Echo N A Sets or reads the Echo Off feature This ON OFF feature turns character echo on serial communication terminal on or off This feature is useful if a computer script program rather than a person was controlling the laser Fault Binary See Table 5 5 for fault codes Code Usage Hours Returns the present head hours with Head HHHH HH resolution The head hours are stored in 1 minute intervals Returns head serial number system part number and nominal wavelength The value is returned as a comma delimited string CUBE Laser Operator s Manual Table 5 9 Pulsed RS 232 Commands and Queries Sheet 2 of 4 0 Sets the laser status L 1 enables the laser On TEC servo MUST be ON T 1 to set L 1 Setting L 0 turns the laser output off 0 MAXLP Sets laser power in mW The range of P values is based on
68. se the Settings screen to change the diode temperature Temperature Diode Base Note The Red to Green transition represents maximum diode and base plate temperature Computer Control The Options Screen is used to change various system and display parameters All settings displayed on the Options Screen are stored when the application is closed Laser specific settings are stored in the laser with the laser is powered down a alma amalha 1 CDRH Five Second Dala Ge Erie R Haab CUBE Exemnal Saa log Pawar Canimi F Eise Diode Set F bhes combenadon Po ani fa be Emt Temp irp o hoa ey D oo Puka Power Calibe ation rice ese Ey DE The Options section contains check boxes to set Home Screen display options and the laser status when exiting Sleep mode The first check box is used to show or omit the current display in combi nation with the power display on the Home screen The second check box is used to set the units for the diode and base plate temper ature display on the Home screen If the box is not checked degrees Celsius is displayed on the Home screen The third check box is checked the previous laser emission status is restored with the system exits Sleep mode If the box is not checked laser emission is automatically restored when the system exits Sleep mode Options E Show combination Fosas Cument p Display temperature in degrees
69. ser 9 Packing List for Coherent CUBE Heat Sink Accessory Power Supply Specifications ooooconooccioccnonnconccconoconn nono nconccconocnnnos 0 PO CO IO a e oie RAN eter ea tore Raat eta RS 232 Pin Connections RS 232 Communications cceeeeeeceeeecceeecececececececececececscececececess RS 232 Pin Connections iS RS 232 Communication SettidgS oooonoccnnncnoonoconnconnnonncconocnnncnnnno Factory CW RS 232 Commands and Queries ocoooccnoncnononnnononcninnnncnnnnnnnnnos Pat CodeS A tea ee ean Aa Modulation Input Connections 7 RS 232 Pin Connections ii RS 232 Communication Setting Pulsed RS 232 Commands and Queries oooooocccconcncconnnononcninnnnnonnss Factory Default Settings ii is totee Nations Falt Listir a E E E EE E a a S Troubleshooting Procedures oooooocnnccinocononoconononnnonnnconncanncnnncconnnnnn Coherent CUBE Shipping Box ContentS vii 3 1 3 2 3 3 3 4 3 5 3 6 5 1 5 2 5 3 5 4 5 5 5 7 5 8 5 9 5 10 CUBE Laser Operator s Manual This manual contains user information for the Coherent CUBE laser system The Coherent CUBE laser system includes a control box The Coherent CUBE is shipped as a complete CDRH compliant system Read this manual carefully before operating the laser for the first time Special attention should be given to the material in Section One Laser Safety which describ
70. set power by more than 1 5 mW return the system to Coherent for service Use the CW query to check for pulse mode If CW 0 and no voltage is present on the SMB connector the laser output will represent threshold The threshold output is normally in the microwatt range CUBE Laser Operator s Manual Please make sure laser power is measured by a calibrated power meter prior to external optics The Coherent CUBE allow for computer control and queries in auto start mode Refer to RS 232 control section for appropriate computer connections and settings Verify output window is clean If using the control box for external power control verify expected voltage to the BNC connector If the system does not achieve the specified maximum power level use the SP and MAXLP query to ensure the output power is set to a maximum MAXLP Make sure output window is clean Verify proper RS 232 command is issued For example issue the P 10 command The P query or external power measurement should result in 10 mW P 10 mW If system does not respond to the P command verify proper RS 232 set up If P response indicates low power return the system to Coherent for service Observe output beam prior to hitting any external optics If output beam is OK clean the external optics Verify the output window is clean Return the system to Coherent for service Please measure power on
71. source 5 Maintain experimental setups at low heights to prevent inad vertent beam eye encounter at eye level Laser safety glasses can present a hazard as well as a benefit while they protect the eye from potentially damaging exposure they block light at the laser wavelengths which prevents the operator from seeing the beam Therefore use extreme caution even when using safety glasses Optical Safety CUBE Laser Operator s Manual 6 Asaprecaution against accidental exposure to the output beam or its reflection those using the system must wear laser safety glasses as required by the wavelength being generated 7 Use the laser in an enclosed room Laser light will remain collimated over long distances and therefore presents a poten tial hazard if not confined 8 Post warning signs in the area of the laser beam to alert those present 9 Advise all using the laser of these precautions It is good prac tice to operate the laser in a room with controlled and restricted access The Coherent CUBE laser system does not contain hazardous volt ages Do not disassemble the enclosure There are no user service able components inside All units are designed to be operated as assembled Warranty will be voided if the enclosure is disassembled Electrostatic charges as high as 4000 V readily accumulate on the human body and equipment and can easily discharge without detection Although the electronics features have impressive
72. t Number 1079231 Rev AB
73. t fault 0000 0000 0000 0000 MSB LSB FL The FL query returns the fault status as a binary string Table 5 5 Fault Codes POSSIBLE DESCRIPTION FL BIT BIT SOLUTION 0 LSB Syntax error associated with Review and correct command the command syntax Entered data is out of range or Review range of entered data syntax error associated with or correct syntax the data EEPROM Error associated with system Reboot the laser system If the Checksum Error EEPROM problem persists return to Coherent for service Operation Table 5 5 Fault Codes Continued POSSIBLE ia CAUSE SOLUTION Base Plate Base Plate temperature Improve heat sink to reduce Temperature greater than 50 C base plate temperature 16 4 5 Laser Diode Difference between diode set Improve heat sink to reduce Temperature temperature and measured diode temperature diode temperature is greater than 5 C ENEE Interlock Fault Interlock Open Close Interlock Connection 64 7 1206 Error Processor to Hardware Reboot the laser system If the communication error problem persists return to Coherent for service 128 7 Value out of Command entered correctly Review range of entered data Range with a value that is excessive and correct as necessary or deficient for command A AA A AAA 1024 10 11 Flash Reset Internal Error causes a reset Enter desired values for all condition for all present system parameters settings 2048 11 12 Over Current Laser
74. tacts worldwide Note Review the F RS 232 query for addi tional troubleshooting information ESD Caution Take appropriate ESD precautions when handling and installing laser Refer to page 1 2 for complete description Tro ubleshooting Listed below are possible problems with a reference to the associ Procedures ated Troubleshooting checklist located in this section Table 8 1 Troubleshooting Procedures PROBLEM TROUBLESHOOTING Interlock Chain Not Closed System Does Not Turn On System Shuts Down RS 232 Control System Shuts Down Analog Control and Auto start Low Power RS 232 Control Low Power Autostart Mode Excessive Scattered Light All Operating Modes Output Power Not Stable All Operating Modes Beam Noise Out of Spec All Operating Modes Control Box Does Not Communicate with RS 232 Transverse Mode is Not TEMoo Base Plate Temperature Exceeds 50 C CUBE Laser Operator 5 Manual If an interlock fault is suspected execute the following steps Cycle DC power OFF ON Verify supply voltage is between 4 8 VDC to 6 5 VDC Connect a computer and send the LCK or INT query If a value of 0 is returned check all interlock connections If the interlock connections are verified to be closed and the INT or LCK query return a 0 Open condition return the system to Coherent for service Laser emission should be present within 5 minutes after start up Cycl
75. tocol Version Turns TE ON CW or Pulse Mode Analog Control Mode Ext Analog laser pwr control Cal Laser Threshold MAXLP Power in Pulse 2PVPS Operation Syntax Command lt value gt A Coherent CUBE command is used to change a present setting The syntax used for Coherent CUBE commands is the command followed by an equal sign and a value No spaces are used between the command equal sign and the value Query A Coherent CUBE query is defined by a prior to the query The current state of Coherent CUBE commands can be displayed with a prior to the command Use the S query to display a complete list of current settings All Coherent CUBE commands and queries must be entered using all CAPITAL LETTERS All Coherent CUBE command settings are stored when the system is powered down The Coherent CUBE command prompt provides feedback asso ciated with the current system status and the command or query entered Refer to the F query for a complete list of values returned with the command prompt Table 5 10 Factory Default Settings P lt Nominal Laser Power gt CUBE Laser Operator s Manual Computer Control SECTION SIX COMPUTER CONTROL The Coherent CUBE laser system includes USB laser control The USB remote communication provides the ability to control and query a maximum of 127 Coherent CUBE laser systems simulta neously Each Coherent CUBE laser system incl
76. tor The Analog Control can change the output power at a maximum bandwidth of 350 KHz The external analog input provides the capability to vary the output power from minimum to 100 with a corresponding input analog voltage from 0 to 5 V A DC Input provides direct CW power control Note You must send the EXT 1 command through 115 232 or USB for the Analog Power Control to be active The Coherent CUBE laser system provides a complete set of input and output controls through the DE 15 connector Review the DE 15 connector summary for a complete list of functions The Coherent CUBE laser system includes complete remote control capability through USB and RS 232 For USB control information refer to the paragraph titled USB Control in this Section Six The Coherent CUBE is shipped in auto start mode All of the RS 232 commands and queries are available in auto start mode To defeat the auto start mode short pins 1 and 2 on the interface cable 0 connector RS 232 Connections The Coherent CUBE uses a standard RS 232 connection Refer to the information below to connect directly to the Coherent CUBE DE 15 connector or the Coherent CUBE interface cable DE 9 connector Analog Control RS 232 Remote Control Operation A null modem cable will not operate the Coherent CUBE laser system Table 5 1 RS 232 Pin Connections PIN NUMBER DESCRIPTION DE 9 INTERFACE CABLE CONNECTOR RS 232 Transmit Ground DE 15 LASER CONNECTOR
77. trol box is provided with a keyswitch that prevents the generation of laser radiation when it is in the OFF position Laser radiation may occur when the key is in the ON position The key is removable when in the OFF position it is not removable when it is in the ON position The laser system control box provides a laser emission indicator The indicator is located on the control box front panel When the green control box indicator is not illuminated laser radiation is not possible When the control box indicator is illuminated the laser should be considered dangerous a laser beam may be created at any instant via computer control for example After the illumination of the green control box indicator there is a delay until actual laser emission which will allow appropriate action to avoid exposure to the laser beam The delay is at least 5 seconds in duration Laser Safety Features CDRH EN60825 1 Compliance Laser Emission and Classification Protective Housing Remote Interlock Key Control Laser Emission Indicators CUBE Laser Operator s Manual The Coherent CUBE laser system includes the capability to add a secondary emission indicator The secondary emission indictor is sold as an accessory and connects directly to the standard Coherent CUBE interface cable The secondary emission indicator can be mounted remotely at a distance up to 5 m from the laser system Use of controls or adjustments or performance of pro
78. ts compact size it enables measurements at places in optical set ups where a standard detector head would not fit With its built in atten uator this device is ready to measure output powers from 0 5 uW up Part Number 33 1553 to 1 W LaserCheck Power Meter NOTE LaserCheck does not measure below 400 nm so it is not recommended for the Coherent CUBE 375 system Alternative Recommendation Glossary GLOSSARY C Degrees centigrade or Celsius F Degrees Fahrenheit u Micron s 6 Um Micrometer s 10 meters Urad Microradian s 10 radians Usec Microsecond s 10 seconds 1 e2 Beam diameter parameter 0 13534 AC Alternating current Amp Ampere s BNC Type of connector CDRH Center for Devices and Radiological Health cm Centimeter s CW Continuous wave DC Direct current ESD Electrostatic Discharge g Gram s or earth s gravitational force gravity GUI Graphical user interface HeNe Helium Neon Hz Hertz or cycles per second frequency 1 pulse period IR Infrared wavelength VO Input Output kg Kilogram s yo grams KHz Kilohertz 10 hertz Kohm Kilohm s LCD Liquid Crystal Display LED Light emitting diode m Meter s length mA Milliamp s 10 Amperes mAmp Milliampere s MHz Megahertz 10 hertz mm Millimeter s 10 meters mrad Milliradian s 10 7 radians angle ms Millisecond s 10 seconds mV Millivolt s MVP Modulation and variable power
79. udes Coherent CUBE connection software for USB laser control in a graphical user interface GUI environment Note All RS 232 commands and queries are available via USB Review the RS 232 Remote Control section for additional infor mation Each Coherent CUBE laser system includes a USB interface cable The Coherent CUBE bandwidth represents USB 1 1 speed Note Coherent does not guarantee simultaneous CUBE opera tion with other USB devices The Coherent CUBE connection software provides simple graphical access to the Coherent CUBE system Variable settings are graphi cally displayed and binary functions are set with the click of a mouse The CUBE connection software offers a terminal window to enter standard RS 232 commands as text for program development purposes The Coherent CUBE RS 232 command protocol requires capital letters for each command or query The Coherent CUBE connection software converts lower case commands to the upper case requirement automatically gt coHemert CUBE Connection D 54 H USB Control Coherent CUBE Connection Software CUBE Laser Operator s Manual The Coherent CUBE connection software generally operates intu itively The limits of adjustable parameters and operation of binary functions are described in the paragraph titled RS 232 Remote Control in Section Five The Coherent CUBE connection software includes on line help to assist in resolving issues associated wit
80. xternal Analog Power Control Computer Control The Diode Set Temperature is an advanced procedure not recom mended for a normal user Normally the diode temperature is only changed to produce slight changes in the laser wavelength Elevated diode temperatures can significantly reduce the diode lifetime To change the diode temperature enter a desired value between 15 and 35 degrees Celsius and click Set Temp The factory default diode temperature 18 22 degrees Diode Set Temperature 22 5 SetTemp Diode Temperature Adjustment Warning A Warning Increasing the diode temperature may cause shorter laser diode lifetime Improper use of the temperature adjustment can reduce laser life or cause premature damage to the laser Do you wish to continue Do not displey this message again Cancel The Pulse Power Calibration function sets the amplitude of the digital laser pulses This function is only available in Pulse mode Secondary control of the pulse amplitude is available though a voltage input to the Control Box BNC with the External Analog Power Control active To change the amplitude of the digital laser pulses enter a laser power value and click Set Power Pulse Power Calibration Diode Set Temperature Pulse Power Calibration CUBE Laser Operator 5 Manual The Information screen displays a list of system information and current performance parameters lt a aao al Culos mer

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