SN437 User Manual IC-1064-200 ps Nd-VAN, LP, SYNC
Contents
1. eee eee eren eene 23 7 4 Photo detector signal measured with microwave spectrum analyser HP E4401B 25 7 5 Oscilloscope trace as measured at Photo Detector BNC output at laser head 27 7 6 OU 28 7 7 Longtime E UE 30 8 High O GUI NEE 31 8 1 LC1 laser controller software interface 32 8 2 SYNC SOU Wate E CET DUDEN E A 34 8 3 S YING SEVICE 35 9 Safety Requirements for High Q Eau 37 SN437 IC 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 2 HIGH AASER St 1 Welcome We of High Q Laser Production GmbH are happy to welcome you among our customers The Laser products of High Q Laser are manufactured with greatest care and best materials Should you encounter any problems with or have questions about our products please contact us directly or our sales representative We are committed to providing premier support and service to our customers HIGH Q LASER PRODUCTION GMBH KAISER FRANZ JOSEF STR 61 A 6845 HOHENEMS AUSTRIA TEL 43 5576 43040 FAX 43 5576 43050 E MAIL sales highQlaser AT HTTP WWW HIGHOLASER AT SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 3 HIGH AASER2. ec x 0 19 al al Sample 001 28 SM Cam 1 Peak p amp Y R um 5802 2 2599 6 6357 9 Centroid YIR um 5011 0 2923 7 5801 5 Peak Resp 96 6 Total Rel Power mw 0 149 Pk Pwr Density bw Zeng 0 019 Aper Diameter 86 5 mm 0 000 Ellipticity Major Minor 86 5 mm 0 890 0 848 Angle degrees 172 057 Circularity 0 953 Gaussian Fit 86 5 Coefficient 0 988 0 984 Image Uniformity Min Mean Max digital 0 0 13 5 988 0 Capture Halted Shair 0 5802 0 2600 0 6358 cm Int 988 0 digital x6 540x51248 CW Cont FAIL WARN CAM 1 uuuuuu SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 29 HI ASER X 7 7 Longtime Stability We confirm that over a time scale of 12 hours the output power stayed constant within 196 RMS measured 0 27 The pump diode current was set to 2 5A and the average output power 15 312mW 1064nm Longtime stability 1064 nm with Ipump 2 5A for 14 hours 300 8 200 7 EE 0 0 2 4 6 8 10 12 14 Time h Longtime stability 1064 nm with Ipump 2 5A for 14 hours 315 314 E 313 6 Q S 312 311 310 0 2 4 6 8 10 12 14 Time h SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 30 HI ASER X 8 High Q Laser RS422 GUI picoTRAIN 1C 1064 200 ps Nd VAN LP SYNC SN437 The laser and the SYNC controller are provided with a
3. TE IEE BEN TET E EEN ES E E EE EAEE SV INR NES T 200mVv lt 2 00ns a Ch2 f 400mV 200mVv lt 2 d 00ns A Ch2 f 400mV 14 Feb 2008 14 Feb 2008 is 42 00 17 48 56 is 47 00 17 49 21 The following to pictures are showing the signals on the Phase output of the SYNC controller The left picture shows the signal the unsynchronized open loop the right picture of the synchronized mode closed loop Tek Run ypy Trig Tek Run ypy Trig 1 2 E gt hee RO TA j Ch2Pk Pk pru ac ccn CE RUBER 1 850 Lo wur ud TEE VIL Dn 4 9 3 8 90 ee N a a OU cm ERR 84 Ch2 Freq Ch2 RMS 1 8 772kHz 109mV d UA BEE EE EE E EA CEN E 3 i 4 4 4 3 4 PUE NORE 1A RTT LAE OSES TOE UNT E MORE TOR BOR TANGITUR NES VEN RUE UE UT RIT Sor CS NIE LR TULGO IST EUR Bt TE ON TE E E EI E D E Senet E E E SIE Soomv MI40 0ps a SUCRE V Sarr E er ee Wor ear en ore SEN Zoch AT DX RYE i gomv 18 Feb 2008 18 Feb 2008 is 47 00 12 10 04 is 47 00 12 06 46 SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 27 HIGH BASER X 7 6 Beam Profile M and beam profile measurement with Coherent ModeMaster and Coherent BeamView
4. SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 10 HIGH AASER X St Please connect the cables by paying attention to the correct order as described below DEVICE CONNECTOR CABLE CONNECTORS DEVICE CONNECTOR Chiller Outlet Water tube 2 3m laser head water connector 3 on URDM laser head water connector on Water tube bypass already Laser case water connector URDM plugged in Laser case water connector 4 Water tube 2 3m te _________ inlet wall outlet 3 pin line cord Laser geen back with grounding Power supply connector 7 wall outlet 3 pin line cord TEC controller back with grounding Power supply connector 7 wall outlet 3 pin line cord SYNC controller back ee mmm _ Laser controller back Interlock cable Doorswitch a foment Laser controller back Yb Ox cable Y cable Laser head back side LD 4 pin WWF 2 4 pin WWF and D Sub 15pin to 11 pin WWF LD1 11 pinWWF 7 TEC controller back D Sub 15pin 4 Laser head back side L Ctrl 7 pin WWF 2 Laser controller back Laser control cable and power L Ctrl 7 pin WWF 3 supply for PD 7 pin WWF to 7 pin WWF Laser head back side coax cable for PD Signal Oscilloscope Laser controller back side Communication cable Sync controller back side Laser controller back side RJ12 to RS232 converter PC with RS232 RS485 RS232 adapter D 5 Sub25 D Sub 9 Serial COM port Sync controller back side Sync control cable Laser head left side S
5. Camera The M measurement was taken in a distance of 0 50m from laser exit 9 1064nm For a diode current of 2 5A the beam waist is located 0 01m after the laser exit ModeMaster PC File View Capture Analysis Setup Window Help gt e Properties External Propagation Plot ertical full scale 2 160 mm Azimuth 45 D Select Propagation Display Select Current Focus Data Select Extemal 3D Plot On Measurement Cursor Off Move Lens to cursor location Select the type of propagation plot Focal length 215 86 mm Wavelength 1064 0 nm X Y R Dim M2 1 06 1 10 1 08 2Wo 0 984 0 977 0 981 mm 2We 1 205 1 242 1 223 mm Zo 0 477 0 505 0 491 m Ur 0 675 0 643 0 659 m Divergence 1 46 1 52 1 49 mr rane 4 1 96 Waist Asymmetry 2Woy 2Wox 0 993 Asymmetry Thetay Thetax 1 043 Projected External Propagation Ready 2400 BPS f 215 86 mm 1064 0 nm SH 207593 Doublet Germanium Sp Wts Off OK 1064 0 Clip 16 0 84 0 Lens 2410 5 BeamView USB 4 3 1 File Edit View Capture Analysis Setup Help ele mem el elal a al Sample 002 2008 11 27 08 Cam 1 Peak X Y JR um 5802 2 2599 6 6357 9 Centroid X Y R um 4935 8 2953 0 5751 8 Peak Resp 77 0 Total Rel Power mw 0 136 Pk Pwr Density Wer 0 015 Aper Diameter 86 5 mm 0 000 Ellipticity Major Minor 86 5
6. Menu located in the 4 display line and then press the ENTER button When you enter the user mode the display appears similar to FIGURE 3 below The first line shows the actual laser diode temperature and an arrow lt occurs at the end of the line The arrow can be moved with the UP and DOWN buttons Thus one reaches the different feature setting lines Settings will be performed by pressing the ENTER button at the corresponding line The arrow will start blinking and the set value can be changed by pushing UP and DOWN When ENTER is pressed again the new setting will be activated If you press CANCEL the setting of this line remains unchanged The lowest line in the user mode is the Exit line see FIGURE 4 below When you press ENTER the user mode will be quit You reach the standard display FIGURE 10 again The user mode also shows the laser system runtime in hh mm ss The number of hours displayed is the actual total operating time of the laser system following the characterization procedure at the factory The runtime value cannot be changed EGi Teme 19 9 C Teme Warn enable Temre Off disable disable FIGURE 3 Laser Controller front panel display when in User Mode SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 16 HI ASER X RuUntimel On Off i Ex 1 Tt FIGURE 4 Laser Controller User Mode Exit line 5 2 L
7. can be used to prevent access to laser energy from the exterior Done YES No 3 Verify that the emission indicators head LED and controller display are lit for at least 5 seconds prior to and during the time that the laser energy is emitted Done YES No 4 Verify that the housing is sealed such that laser energy is accessible only through the output aperture Access to Class IV laser energy is considered possible if a very thin straight probe can contact a beam Done YES No 5 Verify that the remote interlock connector can be used to prevent access to laser energy whenever the terminals are opened Done YES No 6 Verify that the key switch can be used to prevent access to laser energy Verify that they key can be removed only with the product not emitting laser energy Done YES No SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 37 HIGH AASER St 7 Verify that the following labels are securely affixed at the proper locations it is recommended that the procedure include a drawing for each version that describes the labels and specifies their locations ID Certification label s Done YES Ne Warning logotype Done YES No Aperture label Done YES No Protective housing labels all types Done YES No 8 Verify that each interlock switch on the SC head cover independently functions to prevent access to laser energy Verify that no laser energy is accessible as the cove
8. mm 0 832 0 847 Angle degrees 165 923 Circularity 0 949 Gaussian Fit 86 5 Coefficient 0 989 0 986 Image Uniformity Min Mean Max digital F Capture Halted Xhair 0 5802 0 2600 0 6358 cm Int 788 0 digital x6 540x51248 CW Cont FAIL WARN CAM 1 pyyyyyyy SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 28 HIGH BASER X For a diode current of 3 0A the beam waist is located 0 03m after the laser exit ModeMaster PC File View Capture Analysis Setup Window Help amp A BH Properties External Propagation Plot ertical full scale 2 049 mm Azimuth 45 geg IINE Display Select Current Focus Data Select Extemal 3D Plot On Measurement Cursor Off Move Lens to cursor location the type of propagation plot Focal length 215 86 mm Wavelength 1064 0 nm X Y R Dim IM 1 03 1 06 K 2Wo 0 944 0 923 0 934 mm 2We 1 166 1 194 1 180 mm 20 0 462 0 486 0 475 Ltr 0 637 0 592 0 614 m Divergence 1 48 1 56 1 52 mr SN Astigmatism Zoy Zox Zrr 3 9 Waist Asymmetry 2Woy 2Wox 0 978 Asymmetry Thetay Thetax 1 052 Projected External Propagation Ready 2400 BPS f 215 86 1064 0 nm SH 207593 Doublet Germanium Sp Wts Off 1064 0 nm Clip 16 0 84 0 Lens 2437 35 BeamView USB 4 3 1 File Edit View Capture Analysis Setup Help
9. 1 Laser Controller front panels aaa 14 5 1 1 Switching on the laser controller 14 5 1 2 Front panel display and functionality nennen nnns 15 5 2 Laser controller Dack paneb cuoco dusn ous esas Gau essaie ausis aS Chin cu MCN RE ENSEM NER 17 5 3 Other functional features Ee EES 17 5 3 1 Remote Interlock eelerer ee eigene Rom Soa Deo RUN SU UU 17 5 3 2 Pump diode laser overtemperature protection 17 d o tcc 18 6 1 Laser head descrip oN mn 18 6 1 1 Installing the Laser head 18 er EOP aO Um 19 6 1 3 Lasercavity gt ___ gt 19 7 TestReport picoTRAIN IC 1064 200 ps Nd VAN LP SYNC 5 437 20 7 1 CTE DORE CaN mee 20 7 2 Power TUNN cence inc ce sate valle concen est cune Ete ESL Neve 22 7 3 Pulse width measurement autocorrelation 1064
10. 9 6ps FWHM 1064 nm Measurement made with APE PulseCheck E APE View pam r mm FWHM 15 039 ps Eu MSE 4119 14 776ps Legend PE Pulse 9 604ps Sech 2 w aramete C Load Save Print 0 1 1 1 1 1 1 1 1 1 1 00 20 4 0 6 0 8 0 100 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 28 0 30 0 32 0 34 0 36 0 38 0 40 0 42 0 44 0 46 0 4811 18 Le rises FWHM 0 000 ps 3 MSE 31370 m ACF 72 093ps SEE icis Sech 2 wil S 675 E an Parameter C Load 575 Sae b1 emm w Print 500 475 450 425 400 1 1 1 1 1 1 1 8 0 100 12 0 14 0 16 0 18 0 20 0 22 0 240 26 0 28 0 30 0 36 0 38 0 40 0 42 0 44 0 46 0 48 0 50 2 SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 23 HI ASER X The autocorrelation measurement from the IC Laser with a pump current of 3 0A yields a pulse of 11 1ps FWHM 1064 nm Measurement made with APE PulseCheck FWHM 17 383 ps Em MSE 4743 PE 17 054 5 Pulse 11 085 5 Ei Sech 2 Parameter Load C Gave 1 1 1 1 1 1 1 1 1 1 1 1 1 1 00 2 0 40 60 80 10 0 120 14 0 16 0 18 0 20 0 22 0 240 26 0 26 0 30 0 32 0 34 0 36 0 38 0 40 0 42 0 44 0 46 0 48 0 FWHM 0 000 ps meee GE 7069 ate 80 558 5 Lege
11. X 4 2 Safety The picoTRAIN Laser system is a Class IV Laser product The necessary safety requirements have to be met Appropriate Laser protection glasses for the wavelengths and power levels as provided on the Laser head danger label and in the listing below have to be used lt 500 mW 1064 nm 5 W 808 nm Model picoTRAIN IC 1064 200 ps Nd VAN LP SYNC 2 1 Schedule of safety maintenance The laser system should be checked every 12 months and the result should be noted in the following table Laser head safety by Remote Interlock function by 2008 02 19 ACD HQL ACD HQL SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 4 HIGH AASER St 2 2 Laser safety and eye protection Caution This picoTRAIN laser comes as a class IV laser product It is therefore very important to obey the laser safety recommendations Eye protection laser glasses need to be worn at any time when laser emission is possible or the laser is on The laser glasses specification should be OD 9ata wavelength of 1064 nm OD 6ata wavelength of 808 nm The eye should never look into the laser beam emerging from the shutter even when laser glasses are used We recommend to follow the user requirements in the ANSI Z136 1 1993 Standard for the Safe Use of Lasers These include appointment of a Laser Safety Officer operation of the product in a limited access area by trained personnel service only
12. and notify High Q Laser Production GmbH or the sales representative if a problem occurs It is recommended that you keep the original shipping boxes in case you would like to move the laser or service requires the laser to be shipped back to the factory SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 6 HIGH AASER X St 4 Initial installation 4 1 Laser head installation The picoTRAIN laser comes with three 1 high feet and three clamps which are provided with the system to be used for fixing the laser head to a platform preferably an optical table or a breadboard After installing the Laser head make sure the shutter is closed or a beam block or power meter is positioned in front of the laser exit before the laser controller is switched on The beam height is 3 76 2mm 1mm 4 2 Laser Controller installation This section describes the installation procedure of the Laser Controller For a description of the functionality and pictures of the front panel please be referred to chapter 5 Laser Controller 4 2 1 Size and position The Laser controller box size is approx 470 x 200 x 88 mm length x width x height The size is designed such that two controllers would fit into a 2 height units high 19 rack housing next to each other If you prefer to mount the Laser controller in a 19 rack housing contact High Q Laser Production GmbH for adapters 42 2 Heat flow Heat flow from the front panel t
13. by trained and authorised personnel and posting of signs warning of the potential hazards SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 5 HIGH AASER X St 3 Inspection and unpacking 3 1 Inspection of shipping boxes Before unpacking make sure that the shipping boxes are undamaged Any damage has to be reported to the shipping carrier and High Q Laser Production GmbH or our representatives respectively 3 2 Unpacking When unpacking the shipment confirm that everything is included e The picoTRAIN IC laser head with a size of approx 440x200x80 mm The laser controller electronics with a size of approx 470 x 200 x 88 cm e The controller electronics TSP with a size of approx 470 x 200 x 88 e The SYNC controller electronics with a size of approx 470 x 200 x 88 e interconnecting cables and accessories 1pc Yb QX cable LD current and URDM TEC cable 2m long 1pc Laser control cable WWF 7 pin to WWF 7 Pin 2m long pc BNC 50 Ohm termination used instead of the external door switch 3pc Line cord 2m long 1pc Communication cable with converters 1pc Communication cable 2pcs SMC to BNC adapter for reference and SYNC diode 1pc Sync control cable 2pc BNC to BNC coax cable 1pc User manual and Test Report 2pcs Key for the key switch 3pcs 1 feet 3pcs 6 and clamps Inspect every item for signs of damage
14. serial data interface to a Windows PC and a software utility program which allows controlling the settings of both controllers It is recommended to run this utility at installation and from time to time to ensure that all parameters are within specification The controller is connected to a Windows computer via a serial RS 232 interface Start the utility provided on the floppy disk With the utility it is possible to control the laser and the SYNC controller to monitor measured data and to check if an error occurred After switching on the LC1 controller unit with the main switch start the Windows graphical user interface GUI with a double click on the label highglaser exe Please note that the front panel key switch has to be in remote position otherwise no communication link to the laser controller can be established SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 31 HIGH BASER X 8 1 LC1 laser controller software interface e Select the serial communication port and click on the Open Port button Click on the appropriate LC1 LP HP SWV4 00 controller in the system tree High Q Laser 5422 GUI V1 03 Alpha E SL pico RAIN 1 1064 200 SYNC SN437 General Settings picoTRAIN OSC m LLT HP Swv4 00 m SYNC AGL Swv1 nD IDS Serial Port Configuration Status Report Sistem Statue Report Auto Update Status Report SN437 1C 1064 200 ps Nd VAN LP SYNC User M
15. C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 12 HIGH AASER St Switch on procedure 1 Make sure the laser head is fixed on the optical table and the shutter is closed or a power meter or beam blocker is positioned in front of the laser exit 2 Switch on the chiller Make sure the set temp and the actual temp corresponds to the recommended temperature given in the quality test report 3 Switch on the TEC controller main switch Make sure the setpoint and the temp monitor voltage corresponds to the recommended value in the quality test report 4 Switch on the laser controller main switch Make sure the set current corresponds to the recommended value in the quality test report Switch on the laser by the key switch Measure the output power with a suitable power meter and monitor the PD signal on a oscilloscope to check the proper functionality of the laser If necessary optimize the output power by adjusting the laser Laser adjustment is described in chapter 6 2 2 SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 13 x 5 Laser Controller 5 1 Laser Controller front panels 5 1 1 Switching on the laser controller The laser controllers are powered by turning the main switches at the laser controller back panels into the ON position labeled 1 Before doing this make sure that the key switches at the controller front panels are in the vertical OFF or
16. Haaser picoTRAIN IC 1064 200 ps Nd VAN LP SYNC USER SERVICE MANUAL SN437 HIGH Q LASER PRODUCTION GMBH KAISER FRANZ JOSEF STR 61 A 6845 HOHENEMS AUSTRIA TEL 43 5576 43040 FAX 43 5576 43050 E MAIL sales highQ laser com HTTP WWW HIGHOLASER AT We Think Ultrafast HIGH AASER X St PEE Ou M 3 EOS oo e S 4 2 1 Schedule of safety maintenalite dee 4 2 2 Laser tig2dubkjuqgqpiampgme 5 3 inspection ANG UNPACKING s sess ES E EE 6 3 1 Inspection of shipping boxes 6 3 2 Unpacking EEN 6 A Mahnala d E AEE N E AS 7 4 1 E EH di iiem 7 4 2 Laser lt 7 4 2 1 Size position A2 HE HON RR 7 223 ee CONIC C TIONS 8 9 Coque cc M M 14 5
17. Phase Offset 190 000 deg Ret Level Attenuators O Servo Pos 3072 x 072 E digits Servo Position on al 3 on E E HV Temp Piezo Output Temp Phase Output Gain Auto 10 deg Drei deg Runtime 1000 Fe Sync Service Utility M connected Device EEPROM Log 85422 Tracing Settings ok Input Secon Output Settings System Freg Phase Output Scaling InsGain Auto Attenuator Auto Error Ch Laser dB ri 20 dB dig Input enable AMS high enable Ch Ref dE 20 dB Synchronization Parameter Error Settings Serva Servo Range E 40010 digits Piezo Serva same direction Piezo Range op Servo Freq Range 18000 Hz Piezo Temp Piezo Freq Range 300 Hz RMS max Gain 04 4 04 Phaze Offset 30 022 deg deg E Aubosel Get EEPROM Write EEPROM Load Contig File Generate Config File SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 36 HIGH AASER X St 9 Safety Requirements for High Q Laser 1 Record the product model number and serial number and record the model numbers and serial numbers of the laser diodes and power supplies used in the product Model IC 1064 200 ps Nd VAN LP SYNC Laser Done YES No S N laser head 1 437 2 Verify that the beam attenuator manual shutter
18. REMOTE position This ensures that the laser is not enabled until you turn the key switch The key can be pulled out only in the OFF position After switching on the controller main switches at back panel within a few seconds you will see High Q Laser displayed on the front panel shown in FIGURE 1 HIGH LASER LC1 S M U2 18 HIGH POWER 10410 53 05 40 FIGURE 1 Front panel of the controller Further some additional information such as the type of laser and the serial number will be shown After another short wait one will see the final screen in the display similar to that shown in FIGURE 2 This menu allows for monitoring and changing the laser diode current Iset z1 8B8H Menu FIGURE 2 Laser Controller front panel display when pump laser diode is disabled key in OFF position LD1 value shown as example SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 14 HIGH AASER X St 5 1 2 Front panel display and functionality LC1 STATUS LINE The 1 line shows actual status information on the laser diode system and is labeling the values underneath with lact actual laser diode current and Iset laser diode set current ON OFF indicates the operation state of the laser diode REM indicates RS422 interface is activated and push buttons are disabled LD1 The 2 line of the front panel display shows the laser diode actual current and the laser diode set current in A The la
19. anual 2008 02 20 Page 32 HIGH BASER X Type in the desired current in the edit box below Iset check the test report for diode current maximum ratings and click on the button labelled Enter Iset gt On Use the slider in the Attenuator Control Group Box to change the optical attenuation provided as an option High Q Laser RS422 GUI V1 03 Alpha DAR LC SWA 4 0 Bai picaTRAIN OSC Be DESEN cwm SYNC 00 IDS Current Menu lact set LDI 2460m 12900 m Current Enter set gt On r Status Information Laser Temperature low Current low Temperature high Current high User Menu Temperature LOT 31 3 Power Monitor 1 1 digits Status Report Auto Update Status Report SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 33 HIGH BASER X 8 2 SYNC Software interface e With the SYNC interface the synchronisation mode can be changed from manually to automatically with the Start Stop botton e The values of RMS Ref and laser level are shown and also the synchronisation High Laser 5422 GUI V1 03 Alpha E picoT RAIN 1 1064 200 SYNC 54437 SYNC HUL VU picoTRAIN OSC LCT HP 5w 4 00 ID e SYNC HOLSWV1 00 ID Set Values Start Stop Phase Offset 90 02 deg e Phase Output Auto Actual values Mode Clozed Loop AMS 455 s Phase Output 1000 d
20. aser controller back panel The laser controller back panel contains all connectors to the wall plug outlet and the laser system For a more detailed description and pictures please see section 4 2 3 5 3 Other functional features 5 3 1 Remote Interlock feature The interlock feature includes an optically isolated current loop which has to be closed for laser operation The BNC connector at the laser controller back panel provides access to this loop which can be extended to more switches such as for example door switches which is highly recommended It is recommended that all cables and switches are isolated and potential free even though the optical isolation from the rest of the laser controller electronics would not require this 5 3 2 Pump diode laser overtemperature protection A temperature sensor monitors the temperature inside the User replaceable diode module URDM n case the temperature exceeds the maximum temperature value the laser controller switches the pump laser diode current off until a safe temperature is reached This overtemperature protection becomes active for example if the laser is operated for several minutes without the chiller being switched on SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 17 HI 6 Laser head 6 1 Laser head description 6 1 1 Installing the Laser head For installing the laser head on an optical table or a breadboard please use the provided cla
21. ector LD1 4 Pin WWF connector for LD pump current 7 Pin WWF connector for Interlock and power supply for internal Photodiode LLock BNC connector the BNC termination has to be removed if a door switch should be used COM RJ12 communication connectors For remote control operation SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 9 T e TEMP ADJUST SP Kur MONITOR e if Y P E i GA T New TE 7 v E WR US BL Ac H EN oe eeeege E TEC controller connectors on the back side 1 Power supply connector SP Monitor setpoint monitor set NTC Voltage readout Temp Monitor temperature monitor actual NTC Voltage readout TEC D Sub 15 pin connector for URDM TEC Temp SP Adjust potentiometer for setpoint adjustments Please use the recommended value minimum setpoint voltage 0 48V max setpoint voltage 1 5V EXC ERE oe Milos v V1 1 www highQlaser at E SYNC controller connectors on the back side details see Sync manual 1 2 3 4 5 6 Power supply connector SYNC Ctrl D Sub 9 pin connector for Sync control cable Ref SMC connector reference signal input PD SMC connector Sync PD input laser signal Phase BNC connector phase difference monitor COM RJ12 communication connectors For remote control operation
22. eg Ref Level B 2 dBm Laser Level 13 1 dm Hv Temp E Closed Loop Errors Servo Timeout Piezo Level Temp Laser Level RMS Oscillating Clear Errors Status Report Auto Update Status Report SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 34 HIGH BASER X 8 3 SYNCService Utility The SYNC Service Utility shows synchronization details like Phase Jitter or signal levels Please do not change any settings this program is just for information about the synchronization e For more information please read the included manual about the SYNC software Sync Service Utility PEE p Mf me nal connected A Device Data EEPROM Log 5422 Tracing Pot Device ID Firmware o Serial Number 802 Runtime DOh D T min Auto update Enable auta update w 1 Sync Service Utility PEE Device Data EEPROM Log E COM Part Device ID Firmware v1 11 Iz ES em Serial Number D Runtime 00h00min Auto update Enable auto update SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 35 HIGH BASER X T Sync Service Utility E Se connected Device Data EEPROM EEPROM Lo Lag 5422 Tracing Enable Data Update Control Data HMG mdeg Device Mode synced Sian 16 81 576 4 47 f Freq nr p Laser Level
23. hrough the instrument and out the back panel should not be inhibited to ensure that the instrument does not become too warm when operated at maximum current SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 7 HIGH BASER 4 4 4 2 3 Cable connections The following procedure needs to be followed when installing the cable connections between laser head and laser controller The pictures below show the connectors on the laser head and on the laser controller Laser back side remove the blue cable end loosening the M3x40mm screw now 2x WWF connectors are apparent 11 pin connector and 7 pin connector LD 11 Pin WWF connector for LD pump current and URDM TEC I Lock 7 Pin WWE connector for Interlock and power supply for internal Photodiode Water input from chiller please remove plug before connecting water tube Water output to chiller please remove plug before connecting water tube SYNC PD BNC connector Laser AC signal for SYNC PD BNC connector for photo diode monitor signal on laser case back SYNC Ctrl 7 Pin WWF and 3 Pin WWF connectors for SYNC E TEC temperature control plug in for etalon not connected SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 8 HIGH BASER X B x SYNC ON t Closed Loop e ke Start Stop Laser controller connectors back side 1 Power supply conn
24. ld be used very carefully and just in case of bad performance This adjustments allows to move the spot on the SESAM Note Use a 3 mm six edge allen key to make any adjustments Never should the sealed Laser case be opened which would result in a warranty void and contamination of the Laser case sealing SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 19 HIGH AASER X St 7 Test Report picoTRAIN IC 1064 200 ps Nd VAN LP SYNC SN437 This chapter summarizes the test data taken from the laser system prior to shipment 7 1 Testreport table SN 0813 HP LC1 Controller SN SN 0715 SN 0802 TEC 48 0 39V URDM 57023 user replaceable diode module min current 2 0 OSC Recommended pump laser diode current max current 3 0A OSC Cooling water set temp 24 0 C 81 25 MHz synchronized Pulse repetition rate Measured 81 24998 MHz 1064 nm gt 200 mW Measured with Coherent Powermeter Avg output power Measured 310mW 2 5A 395mW 3 0A 50 5 5 FWHM Measured 46 9ps 8 2 5A sech assumed 52 4ps 3 0A 1064nm M 1 2 Measured M 1 08 2 54 Beam quality Mj 1 06 M2 1 10 Coherent M 1 05 3 0A M 1 03 2 1 06 2 5 4 190 Measured with Coherent Astigmatism 3 0A 3 9 Beam Master Hiversence 2 5 4 390 Measured with Coherent 9 y y 3 0A 5 2 Beam Master 2 5 0 7 Measured with Coherent Waist asym
25. metry 3 0A 2 2 Beam Master SN437 IC 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 20 Pulse width FWHM HIGH AASER St 0 01m after exit Measured with Coherent 0 03m after exit Beam Master Waist location Measured with Coherent Beam Master 1064 lt 190 RMS Measured with Coherent 0 27 RMS 2 5 Powermeter Test of external interlock switch off OK Passed Test of internal interlock laser head OK Passed interlock switch off E Test of switch off at laser diode over temperature at 35 C Long term stability SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 21 HIGH AASER St 7 2 Power Tuning OSC diode current changed from 0 0A to 3 0A with TEC diode temperature set at 48 C To be sure that the laser is always modelocked please run the system with a current between 2 0A and 3 0A Please do not run the system with a current gt 3 0A to save the diode s lifetime Dependency of output power on oscillator current 400 1064 nm 300 2 200 p 100 0 0 0 0 5 1 0 1 5 2 0 2 5 3 0 oscillator current A SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 22 HI ASER X 7 3 Pulse width measurement autocorrelation 1064nm The autocorrelation measurement from the IC Laser with a pump current of 2 5A yields a pulse of
26. mps and 1 feet The laser system comes with chiller temperature stabilization of the pump laser diode and laser case SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 18 HIGH AASER X St Laser operation and adjustments 6 1 2 Laser operation Before switching on the Laser place a power meter into the output beam in front of the exit to monitor the power The power meter should be capable of handling powers up to 500mW in a beam with a diameter of 1mm to 3mm Follow the switch on procedure described in section 5 1 1 and set the recommended Laser diode current given in the Test Report sent with the Laser 6 1 3 Laser cavity adjustment Usually no Laser adjustments are necessary Only if the Laser performance is not satisfactory or if shipping or moving the Laser system has made changes to the Laser cavity this adjustment procedure for the saser cavity may be necessary If the Laser does not lase at all contact High Q Laser Production GmbH Important For Laser adjustments the Laser has to run at recommended operating current and Temp settings The Laser cavity adjustment procedure described in this section INVOLVES ONLY ONE LASER CAVITY ELEMENT which can be accessed on the left side of the Laser had The adjustments are labeled as follows e CAH This adjustment changes the cavity alignment horizontally CAV This adjustment changes the cavity alignment vertically The adjustments SAV and SAH shou
27. nd Pulse 52 362ps Sech 2 LC po pa Parameter 650 C Save le E e Print 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 00 2 0 40 60 80 100 120 14 0 160 18 0 20 0 22 0 240 26 0 28 0 30 0 32 0 34 0 36 0 38 0 40 0 42 0 44 0 46 0 48 0 SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 24 HIG PASE X 7 4 Photo detector signal measured with microwave spectrum analyser HP E4401B A span of 200MHz and 1MHz on the spectrum analyser show that the laser operates noise free in its fundamental mode A span of 70kHz shows more detailed value of the oscillator frequency at 81 24998MHz The results are shown in the three pictures below taken at a synchronized laser operation closed loop Agilent 12 32 57 11 Feb 2008 Mkrl 81 252 MHz 13 82 dBm T N 1 E D 5 pan 2 Res 1 MHz VBH 1 MHz Sweep 4 ms 401 pts Res BH 18 kHz VBH 18 kHz Sweep 27 5 ms 401 pts ere Csr FETT BE J Agilent 12 32 23 11 Feb 2008 Ref 10 dBm Atten dB Res 100 Hz VBH 188 Hz Sweep 505 ms 401 pts SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 25 pase X To show the maximum range of the SYNC servo the laser was running in the unsynchronized mode and the servo positions have been set manually to 2000 left picture and 4000 right picture and the operating frequencies of the laser we
28. r is being removed Done n a 9 Verify that each optional interlock switch on the IC cable end protection functions to prevent access to laser energy Verify that no laser energy is accessible as it is being opened Done YES No 10 Verify that there is a clear indication whenever the SC head cover interlock is defeated Verify that it is not possible to replace the cover when the interlock is defeated Done n a 11 Measure the product output and verify that it is within the test limits established for that product The uncertainties in Section 10 3 of the report should be considered in determining the acceptance test limits 500mW 1064 nm Done YES No 5W 808 nm 12 Verify that a manual reset is required to resume the emission of laser energy after interruption due to mains voltage loss or due to the use of the remote interlock connector Done YES No SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 38
29. re measured The servo is able to change the cavity length for fundamental laser frequencies from 81 241MHz to 81 259MHz range of 18kHz Agilent 12 03 19 18 Feb 2008 Agilent 12 02 57 18 Feb 2008 Mkrl 81 25905 MHz Mkrl 81 24125 MHz Ref 18 dBm Atten H dB 11 76 dBm pt ft Lu d Lut Maker UW Bguzewe DO eee sett X NIE LC LL Ph anl Lise ME PE TC OO Wells A Lal LI LL Lll IRE M LE ___ LI ET i Span 28 kHz Span 28 kHz VBH 388 Hz Sweep 924 ms 401 pts VBH 388 Hz Sweep 924 ms 401 pts Agilent 12 35 85 11 Feb 2883 Mkrl 81 24995 MHz 18 68 dBm span 2B kHz Res BH 388 Hz VEH 366 Hz Sweep 324 ms 481 pts SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 26 HI ASER X 7 5 Oscilloscope trace as measured at Photo Detector BNC output at laser head Signal from the internal photo diode detecting single laser pulses measured with a 500 MHz band width Tektronixs scope TDS 3052 DC coupled Tek Run i Teig d Tek Run Trig d Ch2 ENDE MI 5 Ch2Pk Pk 81 7mV Dos modu ca qos scc ss9 4mv 1 sae Zot Se Ry Je Vm c et cee feo e w dh hecho EE ps cei EE cater EO E Leer ai der sw Soh don ET ET DEP IE UN LMR E A DER IB DEE E EES SSS NES TFT
30. ser diode set current can be changed by using the push buttons provided underneath the front panel display labeled UP DOWN CANCEL and ENTER An arrow lt at the end of the 2 line indicates the active display line Pressing ENTER enables to opportunity to change the set current When the arrow is blinking you can change the laser diode current by pushing the UP and DOWN buttons It will be changed within 50mA or 100mA steps depending on the LC1 model type The laser diode current is not changed until you push the ENTER button again If you do NOT want to change the set current value press CANCEL and the previous set current is displayed again CAUTION WRONG CURRENT SETTINGS COULD LEAD TO DESTRUCTION OF THE LASER DIODE PLEASE REFER TO THE TEST REPORT FOR CORRECT CURRENT SETTING KEY SWITCH ENABLING THE LASER DIODE REMOTE CONTROL The key switch at the laser controller front panel is OFF when it is in the vertical position and when it is possible to pull out the key In this case the display reads OFF in the 1 line as shown in FIGURE 2 If you turn the key 90 to the ON position the laser is enabled unless other fault conditions apply such as an open Interlock At the same time you will read ON in the 1 line indicating laser diode operation If the key switch is in REMOTE position the system could controlled by RS422 interface The push buttons at the front panel are disabled and the
31. status line 1 line of display displays REM Please refer to the LC1 RS422 Communication Protocol for detailed information SN437 IC 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 15 HI ASER X ERROR MESSAGES The left corner of the 4 display line is able to show one of the following error messages lock indicates the interruption of the laser system Interlock loop Find the reason for that interruption and restore a functional state of the system When the system is restored ok enter will be displayed The controller is not in operation until one presses the ENTER button Temp high Templow indicates a laser diode temperature outside the acceptable range Curr high Curr low indicates a laser diode current outside the acceptable range Curr off indicates a switch off because of temperature or current error ok gt enter indicates that a all previous error s are not valid any more e g after an interrupted and restored Interlock loop USER MODE MENU The user mode is necessary to execute settings for additional features like Laser diode temperature control Display control or Shutter control etc some of these features may be not provided with the actual laser system The user mode will be reached by pressing CANCEL and ENTER at the same time press the CANCEL button first You are also able to access the user mode by setting the arrow lt beside the label
32. wer cord which also has a ground pin The unit is now grounded The fuse contained in the back panel connector labeled 100 240 VAC should read 2 A slow blow Connect the L Ctrl cable first on the laser controller side and than on the laser head side Yb QX cable connection 1 connect the 4 pin WWF connector on the laser controller side 2 connect the D sub 15 pin connector on the TEC controller back side 3 remove the 11 pin WWF shorted connector on the URDM for transport storage plug in the 11 pin WWF connector of the Yb QX cable If desired Use a coax cable BNC to BNC to monitor the PD signal on an Scope or an electrical spectrum analyzer Connect the communication cable bypass between laser controller and Sync controller Connect the communication cable with converters between COM connector on the laser controller back side and a PC serial port Never disconnect the Yb Qx cable while the main switch of the Laser controller or TEC controller is on Sync controller connections Confirm that the main switch at the Laser controller back panel is in the OFF position labeled 0 Connect the Sync control cable on the Sync controller back side first than on the left side of the laser case Connect the SMC to BNC coax cable for the laser PD signal between SYNC controller and left side of the laser head Connect the coax cable SMC to SMC BNC for the laser reference signal between SYNC controller and reference SN437 1
33. ync Ctrl D Sub 9 pin 2 D Sub 9 pin to WWF 7 pin and Sync Ctrl WWE 7 pin and WWF WWF 3 pin 3 pin 7 Sync controller back side Coax cable Ref Signal generator low noise Ref SMC 3 SMC to SMC with SMC to BNC SMC or BNC connector adapter Sync controller back side Coax cable Laser head left side Sync controller back side Coax cable Oscilloscope SN437 1C 1064 200 ps Nd VAN LP SYNC User Manual 2008 02 20 Page 11 3 HIGH AASER X St Chiller connection Remove the plugs in 3 and 4 Connect the water tube coming from the chiller outlet to the connector labeled 5 on the URDM Make sure the bypass between URDM and laser case is well plugged Connect the water tube coming from the water connector 4 laser case to the chiller inlet Chiller connection and start should be always the first installation step for transportation before any shippings please blow out the water from the laser cooling circuit and use always 2 tubes as bypass between the 4 water connectors TEC and Laser controller connections Confirm that the main switch at the Laser controller back panel is in the OFF position labeled 0 Confirm that the key switch at the front panel is in the vertical position labeled OFF Connect the 100 240 VAC line in connector at the Laser controller back panel to the wall plug outlet with a voltage in the range of 100 240 VAC Use the power cord which was contained in the shipment or in any case a 3 pin po
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