532-Q Laser Manual
Contents
1. 532 0 Laser User Manual Rheine 27 02 2008 Version 1 1 IMPEX Hightech GmbH Hovesaatstr 6 48432 Rheine Germany Phone 49 0 5971 981 650 FAX 49 0 5971 981 659 532 Q Laser OEM Product Line User s Manual e When the product is received the shipping container and its content should be inspected for any damage incurred during shipping In case of damage please inform IMPEX HighTech immediately e If any failure occurs please contact IMPEX HighTech immediately Do not open the modules They do not contain any user serviceable parts e Read this manual carefully before starting up the laser e Before connecting or disconnecting any cables switch off the laser diode driver main power switch e Always wear suitable laser goggles to protect your eyes 532 Q Laser OEM Product Line User s Manual Table of contents 1 USER SAFETY 22 22 22 ad 3 1 1 REMOVING THE COVER ar dede clado 3 1 2 LASER SAFETY WARNING een e de 3 1 3 SN 5 1 4 INTA ACTIVA DION e e e ee o ae 5 2 THE SS ZAO ye Sh ER AAA A 6 2 1 PACKAGING a o a e e et Da a a m ge 6 2 2 INTRODUCTION o lO e e ED ee ee 6 2 3 IHRE 332 OQ LASER HEAD nee 7 2 4 532 Q LASER DIODE DRIVER 4 32 00 einsehen 8 3 OPERATING THE 5320 LASER u a e E A AA 10 3 1 INSTALLING THE 532 Q LASER 2 u nun klinik 10 3 2 STANDALONE OPERA TION 20 00 ee res res 10 3 3 REMOTE CONTROL OPERATION as sie 11 3 3 1 Installing the remote control software oooooocccnnnnnnnnnnnnnnn2. ad Warning Use of controls or adjustments or performance of procedures different from those specified herein may result in hazardous radiation exposure The use of optical instruments with these products will increase eye hazard Caution Lasers may be damaged by improper settings of the current or temperature controls or by improper use of the modulation input Check line AC voltage settings before connecting power 532 Q Laser OEM Product Line User s Manual The positions of the laser safety and serial labels aff xed to the laser cover of the 532 Q Laser are illustrated in the following Figure 1 1 and Figure 1 2 Figure 1 1 Laser head with serial label Figure 1 2 Laser head with safety label 532 Q Laser OEM Product Line User s Manual Reproduction of the laser safety labels and serial label for laser of 532 Q Laser are illustrated in the following Figure 1 3 to 1 6 Model 532 Q C DANGER gt SN P05 1206 Manufacture date INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM February 2008 MAXIMUM OUTPUT POWER 500 mW WAVELENGTH 1064 nm www impex hightech de USE EYE PROTECTION CLASS Illb LASER PRODUCT Figure 1 3 Laser serial label Figure 1 4 Laser safety label A Figure 1 5 Laser safety label B on side of the Figure 1 6 Laser safety label C on top of laser laser head cover near screw head close to emitting laser aperture The maximum power level emitted from the 532 Q Laser and the class of t
3. are CW mode of operation temperature control only The one has the title Peltie correction and the other Cooler Controls At the start only the main window is shown see Figure 3 1 Initially default configuration is loaded To call Peltie correction window press the Ctrl F10 combination having the main window active To call Cooler Controls window press button Show controls in the Peltie correction window NOTE It is strongly recommended to use only the main window for adjusting the settings parameters The temperature windows just shall be used to monitor the temperature controls The main window Remout Control Unit Ver 4 0 6 The main window has two areas right indicating part and left driving part see Figure 3 1 The content of the indicating part is listed in Table 3 1 11 532 Q Laser OEM Product Line User s Manual Table 3 1 The content of the indicating part of the main window LD Heatsink t C laser diode heat sink temperature the time minutes seconds split seconds of laser diode continuous operating the current laser diode status duplicates the status on the laser diode driver LCD Display Driver s ID laser diode identification data Software Version OC Table 3 2 The permanent content of the driving part of the main window LD ON OFF Button Duplicates the laser diode driver ON and OFF buttons to run stop laser generation It is grey and unpressed when laser is off It i
4. cations of the product 4 to repair damage resulting from improper packaging of the product in order to return it to IMPEX HighTech Rheine 27 02 2008 Version 1 1 IMPEX HighTech Hovesaatstr 6 48432 Rheine Germany Phone 49 0 5971 981 650 FAX 49 0 5971 981 659 19
5. duct Line User s Manual 5 Warranty IMPEX HighTech 532 Q Laser OEM is warranted to be free of defects in material and workmanship for 12 month from date of shipment The warranty shall not cover any damage incurred during shipping When the product s received by the customers the shipping container and ts content should be inspected for any damage incurred during shipping In order to obtain service under this warranty the customer must notify IMPEX HighTech of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service In all cases the customer will be responsible for properly packing and shipping the product back to IMPEX HighTech with shipping charges prepaid If the product is not properly packed it will be damaged in shipping and the warranty will be avoided This warranty shall not apply to any defect failure or damage caused by improper use failure to observe proper operating procedures per the product specifications see section 3 or improper inadequate maintenance IMPEX HighTech shall not be obligated to furnish service under this warranty 1 to repair damage resulting from attempts by personnel other than IMPEX HighTech representatives to repair or service the product 2 to repair damage resulting from improper use or connection to incompatible equipment 3 to repair damage resulting from operation outside of the operating environmental specifi
6. eat sink s needed at high power levels and high environmental temperatures The laser diode driver box does not need any additional heat sink Remove the safety lock from the laser head plug which shortens the laser diode during transport to protect from static discharge Connect the female end of the included 15 pin laser head cable to the laser head The other end of the cable is split into two plugs One of them with 15 pins needs to be connected to the LD connector at the rear panel of the laser diode driver see Figure 2 4 The other plug 9 pins needs to be connected to the TC connector at the rear panel of the laser diode driver Fix all plugs with their screws Connect the laser diode driver to the power network by using included power cord 3 2 Standalone operation Turn on the power switch located on the rear panel of the laser diode driver see Figure 2 4 LCD display shows COOLING status The Power LED starts blinking indicating temperature conditioning status The ON button is disabled while temperatures are not in condition The stabilization time depends on the temperature difference at which the system was stored and on the PID parameters see page 14 of this manual Wait until the Power LED lights permanently LD LED starts blinking and LCD Display shows READY ON status indicating normal temperature condition The ON button is enabled Initially driver loaded with default configuration Use Menu to change default config
7. he Laser is given at the laser safety label A see Figure 1 4 This value is for pulsed operation under CW pumping as measured in average power mode The emission wavelength of the 532 Q Laser is given at the Laser safety label A The Figure 1 3 shows the serial number of the laser the manufacturing date and the Model of the Laser System Also Impex HighTech internet address is given here to allow the customer for easy support access via internet The Figure 1 5 shows the DANGER label which is located close to one of the side screws which would be necessary to remove when someone would try to open the laser head This is not allowed for the user because no customer adjustable part is inside the laser head Only dangerous radiation can emit when opening the laser head The Figure 1 6 is the Laser safety label C and is located close to the laser aperture which emits the laser beam 1 3 Servicing There are no user replaceable parts inside the Laser head and control electronics unit Refer all servicing to qualified personnel of IMPEX HighTech 1 4 Initial Activation Read this manual carefully before initially operating the laser system 532 Q Laser OEM Product Line User s Manual 2 The 532 Q Laser 2 1 Packaging 1 Laser head 2 Laser diode driver A310 3 Power cord 4 Laser head 15 pin cable 5 USB cable 2 2 Introduction The 532 Q Laser consists of two self contained units the laser head see section 2 3 and the lase
8. ion current from adjustable offset current base with adjustable pump pulse length and repetition rate e A pulsed laser diode driver which can be triggered from external TTL signal e A precision temperature controller stabilizing the active laser crystal e A precision temperature controller stabilizing the laser diode temperature so that the emission pump wavelength of the laser diode stays stable in the maximum absorption bandwidth of the active laser crystal e A feedback loop to keep the output level at a stable level and to compensate for fast variations of the laser diode emission intensities 532 Q Laser OEM Product Line User s Manual 2 3 The 532 Q Laser Head The dimensions of a laser head of the 532 Q Laser are illustrated in the following Figure 2 1 The laser beam is emitted from the laser aperture at the front side of the laser head ALL dimensions in mm Figure 2 1 Dimensions of the 532 Q Laser head At the rear side of the laser head a 15 p n male D sub connector is located which needs to be connected with the Laser cable 15 p n D sub female connector The other s de of the Laser cable 1s split into two D sub male connectors The 9 pin connector needs to be connected to the TC temperature controller plug at the rear s de of the electronics panel and the 15 p n connector needs to be connected to the LD Laser Diode plug at the rear side of the electronics driver 532 Q Laser OEM Product Line User s Man
9. l internal Pulse Delay mks The delay from triggering event to the begin of pulse Pulse Width mks Laser diode current pulse width Pulse Period mks Laser diode pulse repetition period NOTE Units from Syne Out Pol to Pulse Delay are intended to work in synchronization mode For details see please Laser Diode Driver A310 User Manual pages 5 6 13 532 Q Laser OEM Product Line User s Manual The subsidiary window Peltie correction The view of the subsidiary window Peltie correction is shown on Figure 3 3 The content of the window is listed in Table 3 4 P eltie correction kd k_amp t dif delta t int delta D m T a E T en a Se t_dif delta t_int delta Show Controls Figure 3 3 The subsidiary window Peltie correction of the A310 Remote Control software Table 3 4 The content of the subsidiary window Peltie correction time depended graph time depended graph The amplitude coefficient of PID control Proportional Integral Derivative control for laser diode temperature t_dif delta cyan The differential coefficient of PID control Proportional Integral Derivative control for laser diode temperature Derivative control for laser diode temperature k_amp blue The amplitude coefficient of PID control Proportional Integral Derivative control for active laser crystal temperature t_dif delta blue The differential coefficient of PID control Proportio
10. n the range of 10 to 30 C It can be set to higher environment temperature range but depends on the power level of the pumping diode The humidity should be below 90 15 532 Q Laser OEM Product Line User s Manual 3 4 Turning the laser on and off First see section 3 2 or 3 3 to prepare the laser for emitting Please use appropriate laser goggles before turning laser on Ensure that the laser shutter is open To turn laser on in standalone mode press ON button on the front panel of the laser diode driver To turn laser on in remote control mode press LD ON OFF button in the main window of the A310 Remote Control software The button became green with label LD ON The Power and ON LED at the front panel of the laser diode driver light permanently the LCD Display shows LD ON status and current values of laser diode temperature and current To turn laser off in standalone mode press OFF button on the front panel of the laser diode driver To turn laser off in remote control mode press LD ON OFF button in the main window of A310 Remote Control software The button became grey with label LD OFF The Power LED at the front panel of the laser diode driver lights permanently LD LED starts blinking and LCD Display shows READY ON status and current value of laser diode temperature Warning Always wear suitable laser goggles to protect your eyes 4 Laser specifications Table 4 1 Sample specifications of 532 Q Laser Wavelength 532
11. nal Integral Derivative control for active laser crystal temperature Derivative control for active laser crystal temperature SET button Should be pressed to accept the new settings for any of the meer Hide show the subsidiary window Cooler Controls button NOTE PID control is intended for adjustment of TEC temperature response to the TEC driving current 14 532 Q Laser OEM Product Line User s Manual The subsidiary window Cooler Controls The view of the subsidiary window Cooler Controls is shown on Figure 3 4 The content of the w ndow is listed n Table 3 5 This window allows to watch the tendency of the both TECs heat load and to prevent its overheating The best conditions for TEC are when the extensive changes of current are n the limits of 85 o fal o m gi Bi wo a Figure 3 4 The subsidiary window Cooler Controls of the A310 Remote Control software Table 3 5 The content of the subsidiary window Cooler Controls LD t stabilization control Shows the relative changes in in laser diode TEC time depended graph driving current concerned with stabilization of the laser diode temperature LC t stabilization control Shows the relative changes in in active laser crystal time depended graph TEC driving current concerned with stabilization of the active laser crystal temperature Warning The laser environment operation temperature should be i
12. nm Active laser material Nd YAG Q switch material Cr YAG Average power gt 50mW Average power SW Pulse width 2 ns Repetition rate 0 20 kHz Pulse to pulse jitter rms 8 kHz lt 3 Beam waist diameter O 1 e2 240 um Beam divergence half angle 3 mrad Extinction ratio of polarization The operating temperature range of the laser system is from 10 C to 30 C and the storage temperature range for the system is from 0 C to 50 C The dependencies of the main laser output parameters average output power repetition rate and pulse energy from the set up laser diode current are shown on the Figures 4 1 4 3 16 532 Q Laser OEM Product Line User s Manual Pulse Peak Power vs Pump Diode Current O dl 3 D O O x 0 D A Y 2 5 O D Ty 2000 2200 2400 2600 2800 3000 3200 3400 3600 Pump Diode Current mA Figure 4 1 The pulse peak power versus laser diode current Pulse Energy vs Pump Diode Current Pulse Energy uJ 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 Pump Diode Current mA Figure 4 2 The pulse energy versus laser diode current 17 532 Q Laser OEM Product Line User s Manual Pulse Energy vs Pump Diode Current gt O E LLI BL 5 A 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 Pump Diode Current mA Figure 4 3 The pulse repetition rate versus laser diode current 18 532 Q Laser OEM Pro
13. nnnnnnnnannnnnnccnnnnnnnnnn nono nnnnnnnnnnncncnnnnnnnnnnnnos 11 3 32 TIheremote CONOS OMITE reihen 11 3 4 TURNING THE LASER ON ANDO E o a 16 4 LASER SPECIFICATIONS 3 2522 iii 16 5 WARRANTY ranana bac ciccaonas oceusbueuscde ce vocesancuscucneuccteaacesseaoacerecebsadsccesseense 19 532 Q Laser OEM Product Line User s Manual 1 User Safety The 532 Q Laser line is a OEM product out of the IMPEX HighTech diode pumped solid state lasers As such it s intended only for integration into other equipment The 532 Q Laser does not comply with Center for Devices and Radiological Health CDRH standards The customer is responsible for CDRH certification of any system that incorporates the 532 Q Laser if necessary 1 1 Removing the cover Warning Do not remove the cover of the laser head Dangerous radiation exists inside the laser head Do not remove the cover of the control electronics Dangerous voltages exist inside the control electronics 1 2 Laser Safety Warnings Warning Exposure to laser radiation may be harmful All apertures able to emit laser light in excess of levels considered safe are identified with appropriate labels shown later in this section Take extreme care when working in areas where these labels are placed Warning Always provide protective eyewear suitable for the laser s emission wavelength The emission wavelength of your laser model is given on the DANGER sticker at the side of the laser he
14. r diode driver A310 see section 2 4 This manual is intended to provide some more detailed information on how to operate these devices properly In the case of harmonic generation the laser head consists of the following components 1 One is the electrically driven diode laser which provides the pump radiation for the active laser crystal 2 Lens is used to focus the pump light into the active laser crystal 3 Essentially the active laser crystal 4 The nonlinear harmonic generation crystal placed after active laser crystal In order to operate the 532 Q Laser system the laser diode driver needs to be connected to a power network 90 264 VAC 47 63 Hz by power cord included in packaging In turn the laser head needs to be connected to the laser diode driver by laser head cable included in packaging To work in remote control operation mode the laser diode driver needs to be connected to the PC by USB cable included in packaging The provided electrical power is converted into coherent laser radiation in the infrared IR spectrum Some of the electrical power is needed for temperature stabilization of the diode laser and for temperature stabilization of the active laser crystal The laser diode driver is designed to provide all subsystems to drive and control the 532 Q Laser system featuring e A laser diode driver providing a very stable low noise injection current to the laser diode e A laser diode driver providing pulsed inject
15. s green and depressed when laser is on LD Temperature t C For set up laser diode work temperature LC Temperature t C For set up active laser crystal work temperature Current Mode Button Switches between CW and pulsed modes of laser diode operation Current Limit mA For set up maximum permitted laser diode current USB indicator Shows the USB connection state Green if it functions properly Red blinking with RECONNECT label when connection is failed Buzzer Signal Button To switch OFF the fault buzzer signal The content of the driving part in turn divided into permanent and variable parts Permanent content is listed in the Table 3 2 Variable content depends on the operation mode There are two possible modes of operation for 532 Q Laser CW pumping the laser diode emits continuously and pulsed pumping the laser diode emits the sequence of rectangular pulses To change operation mode press Current Mode button in the left area of the main window In the case of CW mode it became depressed with DC label The laser diode continuously emitted The view of the main window in this case is shown on Figure 3 1 There is only one element of the variable content in CW mode of operation It is LD Current for set up the required laser diode current If the value of set current exceeds Current Limit value it is automatically reduced to preset value of Current Limit Warning Do not increase the preset value of the Current Limi
16. t mA It can result in laser diode damage 12 532 Q Laser OEM Product Line User s Manual LD OFF LC Temperature C 2 4 00 Current Mode PULS Current Limit mA 41984 LO Off Current m 4 1440 LO On Current m 1888 Power Record OFF Syne Out Pol POS SyneInPol POS Sync Mode SYNC EXTERN Synch Type Pulse Delay mks 4 O Pulse Width mks 50 Pulse Period mks 281 Buzzer Signal ON LO FE Current m Voltage A LO Heatsink tH C LE HPC Power p u LO Operating Time Status Driver s ID Software Version Figure 3 2 The main window of the A310 Remote Control software Pulsed mode of operation To change operation mode press Current Mode button In the case of pulsed mode it became unpressed with PULS label The view of the main window in this case is shown on Figure 3 2 The variable content of the driving part is listed in Table 3 3 Table 3 3 The variable content of the driving part of the main window Pulsed mode of operation LD Off Current mA For set up laser diode current level between pulses LD On Current mA For set up laser diode current level at the top of the pulse Sync Out Pol Button The out polarity of synchronization positive negative Sync In Pol Button The input polarity of synchronization positive negative Sync Mode Button The mode of synchronization Synch Type Button The type of synchronization externa
17. ual 2 4 532 Q Laser diode driver In the 532 Q Laser used the laser diode driver A310 For all technical and usage data please see the user manual of laser diode driver The photo of the driver is shown below on the Figure 2 2 The dimensions of the driver are shown on the Figure 2 3 Below the rear and the front panels of the driver are shown Figures 2 4 and 2 5 Figure 2 2 Photo of laser diode driver E x Removeable feets oO oO N ALL dimensions in mm Figure 2 3 Dimensions of the laser diode driver 532 Q Laser OEM Product Line User s Manual Figure 2 5 Front panel of the laser diode driver 532 Q Laser OEM Product Line User s Manual 3 Operating the 532 Q Laser 3 1 Installing the 532 Q Laser Before connecting any power to the laser diode driver or to the laser head make sure that the laser head s fixed in proper position using the 6 mm diameter half holes at the bottom plate of the laser head See the Figure 2 1 for exact information on the dimensions of the laser head Make sure that the laser aperture and so the laser beam is directed to a secure target so that no dangerous radiation can be emitted by the laser to anyone or anything Make sure that no static discharge voltage will be supplied to the laser head It is recommended to place the laser head onto a metal ground plate to provide additional heat sink The thermal management inside the laser head is calculated in such way that additional h
18. uration or to load previously saved one For details of using Menu see Laser Diode Driver A310 User Manual page 9 Now open the shutter pull up the blue plate above the emitting aperture The 532 Q Laser is now ready for Laser emission if you press the ON button 10 532 Q Laser OEM Product Line User s Manual 3 3 Remote control operation For remote control operation use included USB cable to connect the laser diode driver to PC with installed remote control software Launch the A310 Remote Control software 3 3 1 Installing the remote control software For the installation of the remote control software it s required to install the application itself and the correct USB driver support Please follow the installation instructions given in the A310 electronics manual to install the software 3 3 2 The remote control software The remote control software has three w ndows One s the ma n and has the title Remout Control Unit Ver 4 0 6 Remaining two are subsidiary windows which are for monitoring the EX LO tC Current m LO Heatsink H E Voltage M LO Temperature C 24 00 27 46 LC Temperature C 4 24 00 LE tE Power p u x 24 00 Current Limit m 3 1984 LO Operating Time J LO Current m 1344 Status Driver s ID Software Version Power Record OFF Buzzer Signal Ver2 09 2005 U E Figure 3 1 The main window of the A310 Remote Control softw
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