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LabMax-Pro SSIM User Manual

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1. LabMax Pro SSIM User Manual Commands and Queries SCPI Common Commands Reset Command RST Identification Query IDN The SCPI Standard specifies a standard set of common commands All common commands and queries start with an asterisk This command resets all operational parameters to their power on states Reset does not affect calibration settings or user persistent settings Command RST Query none This query gets the meter identification string such as model name firmware version and firmware date Command none Query IDN Reply Coherent Inc LabMax Pro SSIM lt type gt lt version gt lt firmware date gt The dash sign separates all fields within the reply string The first field is always Coherent Inc The second field is the product name LabMax Pro SSIM The third field is the version number having the format V lt major gt lt minor gt lt optional qualifier charac ters gt The fourth field is the firmware date having the form lt 3 character month name gt lt day of the month gt lt year gt The reply string is not quoted For example a typical identification string looks like Coherent Inc LabMax Pro SSIM V1 0 Jun 11 2013 Note The quotes are not transmitted System Options System Type System Status Host Interface The system commands and queries access functionality that is exclusive o
2. HD Coating Reflectivity a o Wavelength um Figure 2 7 RV Spectral Correction for PowerMax Pro Sensors Normalized to Calibration Wavelength Table 2 1 Wavelength Compensation Accuracy Wavelength Compensation Calibration Accuracy Wavelength nm a Refers to wavelengths different from the calibration wavelength Operation SECTION THREE OPERATION In this section Hardware this page 8 Sensor compatibility p 3 2 a USB RS 232 p 3 2 Power supply p 3 2 External trigger input p 3 2 External trigger output p 3 4 Analog output p 3 4 a PC application p 3 5 Hardware USB RS 232 Power Switch Trigger Output Analog Output Connector Type SMB Connector Type SMB Figure 3 1 Meter Front Panel External Trigger Input Connector Type SMB Figure 3 2 Meter Back Panel 3 1 LabMax Pro SSIM User Manual Sensor Compatibility USB RS 232 Power Supply External Trigger Input J3 73100 0103 TrieInReturn 1 00M InF_IKV PowerMax Pro PM model thermopiles LM model thermopiles OP 2 amp LM 2 optical sensors and DB 25 EnergyMax sensors LabMax Pro requires a USB 2 0 High Speed USB to communicate with the PC RS 232 connections are intended for OEM integration and will cause reduced data transfer rates Power is supplied through an external 12 VDC 15W power supply included To prevent ground loop noise from interfering with
3. NOTICE Operate this instrument only within the specified voltage range LabMax Pro SSIM User Manual Waste Electrical and Electronic Equipment WEEE 2002 Figure 1 1 Declaration of Conformity NOTICE Do not operate this instrument if there are suspected failures Refer damaged equipment to qualified Coherent service personnel The European Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC is represented by a crossed out garbage container label see Figure 1 1 The purpose of this directive is to minimize the disposal of WEEE as unsorted municipal waste and to facilitate its separate collection Waste Electrical and Electronic Equipment Label Declaration of Conformity certificates are available upon request Description SECTION TWO DESCRIPTION In this section Introduction this page e Operating mode overview page 2 2 Product features page 2 4 LabMax Pro PC software features page 2 5 Thermopile and PowerMax Pro Sensor technology page 2 6 Applying wavelength compensation accuracy page 2 8 Introduction The LabMax Pro represents the next generation of Coherent s groundbreaking LabMax line This power meter combines the power and versatility of the LabMax with two new high speed sampling modes when used with PowerMax Pro technology patent pending Coherent has developed the LabMax Pro SSIM laser power meter to fully capitalize on the capabilities of P
4. User Manual LabMax Pro SSIM Laser Power Meter is ae De ss E mt HR ei a a 2 Z PE EN O COHERENT User Manual LabMax Pro SIMM Laser Power Meter O COHERENT 27650 SW 95th Ave Wilsonville OR 97070 LabMax Pro SSIM User Manual Simplified Technical English 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 the Coherent Logo and LabMax are trademarks or registered trademarks of Coherent Inc All other trademarks or registered trademarks are the property of their respective owners Patents referenced in this document were active as of the printing date of the manual see last page for date The patents referenced herein may have expired You are advised to check to see ifthe patents are still active http portal uspto gov external portal pair Every effort has been made to ensure that the data given in this document is accurate The information figures tables spec
5. 4 6 47 4 9 5 1 B 1 LIST OF TABLES Wavelength Compensation Acceuraey are 2 10 RS 232 Communication Seltinss iii Rank 4 2 Host Command Quick Reference ooooooocnccncnonoononnnonocnoncnnnnononnnoncononnnno no nnnncononnnnononnnnncnnon 4 3 Status Code Bit Definitions iaa liinda iii 4 7 Fault Code Bit Defnpons a L AE E N a iN 4 8 Error Codes and Description Strings u RHEIN are 4 10 Data Item Selections for Measurement Data Record 4 18 Measurement Data Record Format ASCH 4 19 FLAG BIDEN REN ee ee eelere 4 20 Persistent Parametros dd diia 4 28 Coherent Service Centers it en Aa id 5 4 Specifications anne Knie a RADAR sale A l Meter e Ee EE B 1 vi Signal Words and Symbols in this Manual Signal Words Table of Contents This documentation may contain sections in which particular hazards are defined or special attention is drawn to particular condi tions These sections are indicated with signal words in accordance with ANSI Z 535 6 and safety symbols pictorial hazard alerts in accordance with ANSI Z 535 3 and ISO 7010 Four signal words are used in this documentation DANGER WARNING CAUTION and NOTICE The signal words DANGER WARNING and CAUTION desig nate the degree or level of hazard when there is the risk of injury DANGER Indicates a hazardous situation that if not avoided will result in death or serious injury This signal word is to be limited to the most extreme situations WARN
6. Opa US Ra E a 4 11 AMERO CIE AD ns ale 4 11 Measurement Setup and Control se Estaca sa ATA ALA AS TR 4 12 Measurement Mode Select u nannten een 4 12 Measurement Data Snapshot Mode Select 4 12 Measurement Data Acquisition Source Select 4 13 Measurement Data Acquisition Source List Query esssseesreereeeesreereeereeee 4 13 GIE ee 4 13 Area Correction EE 4 13 Analog Output Full Scale Voltage ooooococnnococnoncccnonccononcnononcnononacnnnnaconnnnnnn 4 14 Data Smoothing une rea 4 14 Weavelen tC Orreelion a een 4 14 Gan e E nee ee rn Benni 4 15 Probe Zero ae Ina 4 16 Pulsed Thermopile Joules Trigger Level oooooonnnncccnnncccnoncccnoncnononccnnnnccnnnnnnnnn 4 16 Pulse Detection Measurement Window ccesccccesceeeeseeeceeeceseeeeceeeeeseeeeees 4 16 sample Variable Decimation usa 4 17 LEE 4 17 Data lten Selects res 4 18 Measurement Data ORAL susanne 4 19 Trigger Parameters ge ka ale aan nalen 4 20 Measurement Data Collection aut ass o aria essen 4 22 Last Data Record Qua namens 4 22 Data CALDO sadias acts elek 4 23 Meter and Probe Device Information ooococnnncccnoncccnnncncnoncnonnncnnonnnonnncnonnncnnnnncncnnnnnos 4 23 Metronic laa 4 23 E E A 4 25 Table of Contents Persistent Parametros 4 28 Host Interface Glossary een eis sn aloe 4 28 Section Five Calibration and Warranty 5 1 E ee EE 5 1 Coherent Calibration Facilities and Capabilities erra 5 1 Limited Warranty ana
7. WwW w LA CONFigure AOUT FSCale Selects the full scale output voltage at the analog output connector 4 4 Gets the full scale output voltage at the analog output d 9 CONFigure AOUT FS Cale or CONFigure AV ERage TIME Sets the display data smoothing to either ON or OFF 4 14 CONFigure AVERage TIME Gets the current state of display data smoothing 4 14 CONFigure WAV Elength CORRection Enables disables wavelength correction 4 14 CONFigure WAV Elength CORRection Gets the current state of wavelength correction EN Ra gt CONFigure WAV Elength WAVElength Sets the current wavelength EN Ra Nn CONFigure WAVElength LIST Gets the wavelength table entries from the probe 4 15 CONFigure GAIN COMPensation Enables disables gain compensation 4 15 CONFigure GAIN COMPensation Gets the current state of gain compensation EN Ra Nn CONFigure GAIN FACTor Gets the current gain compensation factor Sets the current measurement as the zero baseline measurement EN Ra mm Selects the Pulsed Thermopile Joules mode trigger sensitivity level Gets the sensitivity level of the Pulsed Thermopile Joules mode trigger CONFigure MEASure WINdow Selects the Pulsed Thermopile Joules mode trigger sensitivity level CONFigure MEASure WINdow Gets the Pulsed Thermopile Joules mode trigger sensi tivity level CONFigure DECimation SC SR decimation rate for the fast data acquisition CONFigure WAVElength WAVElength Gets t
8. absorbing disk a series of thermocouples that surround the disk and an annular heatsink around the ring of thermocouples refer to the following figure Incidentlaserlight 9 Heatsink Thermocouples Absorbing disk Conventional thermopile with radial heat flow Long Heat o Laser Flow Path Diameter cm Figure 2 3 Construction of a Traditional Radial Thermopile PowerMax Pro Sensors Description In operation incident laser energy falls on the absorbing disk in the center of the detector and is converted into heat This disk is typi cally coated with a material that absorbs light over a very broad wavelength range to increase sensitivity The heat then flows across the width of the thermopile disk to the heatsink which is held at a near constant ambient temperature by either air or water cooling The temperature difference between the absorber and heatsink is converted into an electrical signal by the thermocouples Calibrated electronics in the meter convert this electrical signal into a laser power reading Thermopile sensors have several advantages including a very broad spectral range an ability to work over a wide range of input powers high laser damage resistance and uniform spatial response meaning insensitivity to changes in beam size position or uniformity The limitation of the technology is that the transfer of heat across the width of the thermopile disk makes this technology inherently
9. allowed wavelength can also be named as data argu ments The query gets the current maximum allowed or minimum allowed wavelengths depending on the optional query data argu ment Command CONFigure WAVElength WAVElength MINimumIMAXimuml lt requested wavelength in nm gt Query CONFigure WAVElength WAVElength MINimumIMAXimum Reply lt granted wavelength in nm gt if MINimum MAXimum is not specified Reply lt allowed maximum wavelength in nm gt if MAXimum is specified Reply lt allowed minimum wavelength in nm gt if MINimum is specified Query Probe Wavelength Table This query gets the wavelength table entries from the probe Each wavelength is expressed in units of nm rounded to the nearest integer Each wavelength ranges from 1 to 99999 Error 101 is raised if the list length exceeds 100 entries Note that the list returned by the query always includes the calibration wavelength of the current probe The list does not include the selected operational wavelength Command none Query CONFigure WAVElength LIST Reply lt comma separated list of wavelengths gt Error 241 is raised if no probe is attached Enable Disable State This command enables disables gain compensation which is committed to persistent storage when it is changed Command CONFigure GAIN COMPensation OFFION Default is OFF Query CONFigure GAIN COMPensation Reply OFFION LabMax Pro SSIM User Manual Probe Zero Pulsed T
10. ratio of power to 1 milliwatt Watts derived unit of power defined as joules per second Joules derived unit of energy defined as the amount of work required to produce one watt of power for one second Command CONFigure MEASure MODe DBMIJIW Default is W Watts J Joules for pyroelectric probes Query CONFigure MEASure MODe Reply DBMIJIW Note If a probe is unattached re attached this command returns to the default setting of Watts This command sets the instrument to acquire data in a burst or snap shot fashion This command query only applies to PowerMax Pro probes Command CONFigure MEASure SNAPshot SELect ONIOFF Default is OFF Query CONFigure MEASure SNAPshot SEL Reply ONIOFF Note If no probe is attached a value of OFF is returned Err 100 is raised if fast channel is not selected Err 200 is raised if CONFigure MEASure SOURce SEL SLOW is selected Snapshot Pre Trigger Buffer Size Select This command sets the pre trigger buffer size in samples This spec ifies the number of pre triggers to be displayed on output after a trigger event This command query only applies to PowerMax Pro probes Command CONFigure MEASure SNAPshot PREbuffer lt iSize gt Default is 0 Query CONFigure MEASure SNAPshot PREbuffer Reply lt iSize gt Measurement Data Acquisition Source Select Measurement Data Acquisition Source List Query Speedup Area Correction Host Interface This command sets t
11. records stored in integer format gt This query gets the next error record s in the error queue More than one error record can be queried using the optional lt error record count gt parameter which must be an integer value A single error record is returned if lt error record count gt is not specified No reply is transmitted if there are no error records available As the meter transmits each error record The error record is permanently removed from the error queue The queued error record count decrements by one Command none Query SYSTem ERRor NEXT lt error record count gt Default is not applicable Reply lt next available error record s gt This query gets all error records in the error queue at the time of the query No reply is transmitted if there are no error records available After the completion of the reply transmission The error queue is empty S The queued error record count is zero Command none Query SYSTem ERRor ALL Reply lt all available error record s gt This command clears all error records in the error queue Command SYSTem ERRor CLEar Query none LabMax Pro SSIM User Manual Measurement Setup and Control Measurement Mode Select Measurement Data Snapshot Mode Select This command sets the instrument to a measurement mode of dBm Watts or Joules dBm Watts and Joules modes refer to a normal sampling mode Scope mode only applies to PM Pro power probes dBm
12. typical 10 Hz sampling rate At this data rate PowerMax Pro sensors supply an almost instantaneous power reading similar to a photodiode while also taking advantage of the sensor s ability to directly read very high powers The standard operating mode is best used to measure the power of CW lasers or the average power of high repetition rate lasers High speed mode operates at a continuous data sampling rate of 20 kHz permitting pulse shape analysis of modulated lasers with repetition rates up to 2 5 kHz These types of pulse trains are common in many laser based medical treatments and some material processing applications such as micro welding Figure 2 1 below shows data collected using a 20W CO2 laser to show the type of detail you can get in this mode En e en mm 1kHz PRF 80 Duty Cycle Tagger level None Scaling iz PRE 50 Duly Cycle Trigger level None Scaling T huning A Trending gig rissogrom seam Pest 1kHz PRF 30 Duty Cycle TE DEDO 1kHz PRF 20 Duty Cycle Figure 2 1 Example of Detail Available When Using High Speed Mode Snapshot Mode ACTOS Pe me pl regem ED Beam pt Description A faster high speed sampling mode Snapshot Mode provides burst sampling at a rate of 625 kHz for a maximum of 384 millisec onds This mode lets you see the temporal characteristics of modu lated pulses used in commercial cutting engraving and drilling applications as well as l
13. 1 above Instructions for a Return Material Authorization number 2 Attach a tag to the product that includes the name and address of the owner the person to contact the serial number and the RMA number you received from Coherent Customer Service 3 Wrap the product with polyethylene sheeting or equivalent material 4 Ifthe original packing material and carton are not available obtain a corrugated cardboard shipping carton with inside dimensions that are at least 6 in 15 cm taller wider and deeper than the product The shipping carton must be constructed of cardboard with a minimum of 375 lb 170 kg test strength Cushion the instrument in the shipping carton with packing material or urethane foam on all sides between the carton and the product Allow 3 in 7 5 cm on all sides top and bottom 5 Seat the shipping carton with shipping tape or an industrial stapler 6 Ship the product to Coherent Inc 27650 SW 95th Ave Wilsonville OR 97070 Attn RMA add the RMA number you received from Coherent Customer Service Specifications APPENDIX A SPECIFICATIONS Meter This appendix lists specifications for the LabMax Pro SSIM Laser Specifications nn Table A 1 Specifications Sheet 1 of 2 Parameter Description Measurement Resolution full scale at 10 Hz speed at 20 kHz high speed Sensor Compatibility PM Model Thermopile PowerMax Pro LM Model Thermopile OP 2 amp LM 2 Optical and DB25 Ene
14. 2 Communication Settings RSR Using the USB When the meter is connected to a host via USB it is viewed as a Interface virtual serial communications port Syntax and Syntax and notation conventions specified by the SCPI Standard are Notation followed for all SCPI commands and queries unless otherwise spec Conventions ified Refer to the SCPI Standard for more information The base 10 numeric data format specification is used heavily in this section Unless otherwise specified numeric data items are repre sented as Integer values Non scientific notation floating point values 8 Scientific notation floating point values uppercase or lower case E For example the following data values are functionally equivalent 31256 S 31256 0 S 3 1256e4 o 31 256e3 S 3 1256e 4 Unless otherwise specified non numeric data items typically referred to as strings are not quoted Host Interface Host Command The following table gives a brief description of all LabMax Pro host Quick commands For detailed information about a specific command go to the page referenced in the right hand column Reference Table 4 2 Host Command Quick Reference Sheet 1 of 3 SCPI Common Commands Resets all operational parameters to their power on System Options Communications SYSTem COMMunicate HANDshaking the state of SCPI message round trip hand SYSTem COMMunicate HANDshaking Sets the state of SCPI message round trip hand
15. 4 2 Syntax and notation conventions 4 2 USB interface using 4 2 I Input external trigger 3 2 Instructions Product shipping 5 4 L LabMax Pro PC software features 2 5 Limitations warranty 5 3 Limited warranty 5 2 M Measurement Data collection 4 22 Setup and control 4 12 Meter and probe device information 4 23 and sensor errors BI Specifications A 1 Mode High Speed 2 2 Snapshot 2 3 Standard Speed 2 2 O Obtaining service 5 3 Operating mode overview 2 2 High Speed 2 2 Snapshot 2 3 Standard Speed 2 2 Operation Hardware 3 1 Output Index 1 LabMax Pro SSIM User Manual Analog 3 4 External trigger 3 4 Overview operating mode 2 2 P Parameters persistent A 2 Persistent parameters 4 28 A 2 Power supply 3 2 PowerMax Pro sensors 2 7 Preface ix Product Compliance Export control laws ix RoHS ix Features 2 4 Shipping instructions 5 4 Specifications A 1 Publication updates ix Q Quick Reference host command 4 3 Quick start Snapshot measurement 2 3 R RoHS compliance ix RS 232 using 4 2 S Safety 1 1 Declaration of conformity 1 2 Signal words and symbols in this manual vii Waste electrical and electronic equipment WEEE 2002 1 2 SCPI common commands 4 6 Sensor Compatibility 3 2 Technology description 2 6 PowerMax Pro sensors 2 7 Thermopile sensors 2 6 Sensors PowerMax Pro 2 7 Service obtaining 5 3 Signal words and symbols in this manual vii Signal words vii Symbols viii Snap
16. Ge SELect MA XimumllMINimum Reply lt granted full scale range gt Using the optional MAX and MIN parameters on the command result in selecting the maximum or minimum available ranges respectively Using the optional MAX and MIN parameters on the query results in obtaining the maximum or minimum range full scale readings respectively The MIDdle range option only applies to pyroelectric probes LabMax Pro SSIM User Manual Data Item Select Auto Range Enable Disable State This command enables disables automatic selection of the meter measurement range The meter hunts for the best measurement range for the current probe and laser conditions when auto ranging is active The hunt procedure can require several samples to arrive at the best range Auto ranging applies only when a thermopyle or optical probe is attached Command CONFigure RANGe AUTO ONIOFF Default is OFF Query CONFigure RANGe AUTO Reply ONIOFF Note Error 241 is raised if the sensor is pyroelectric or there is no probe attached Query Probe Range List This query gets the range table entries from the probe Each range is expressed in units of nm rounded to the nearest integer Each wave length ranges from 1 to 99999 Note that the list returned by the query will always include the calibration wavelength of the current probe Command none Query CONFigure RANGe LIST Reply lt comma separated list of available ranges gt Error 241 is raised if
17. ING Indicates a hazardous situation that if not avoided could result in death or serious injury CAUTION Indicates a hazardous situation that if not avoided could result in minor or moderate injury The signal word NOTICE is used when there is the risk of prop erty damage NOTICE Indicates information considered important but not hazard related Messages relating to hazards that could result in both personal injury and property damage are considered safety messages and not prop erty damage messages Vil LabMax Pro SSIM User Manual Symbols gt gt lp The signal words DANGER WARNING and CAUTION are always emphasized with a safety symbol that indicates a special hazard regardless of the hazard level 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 symbol is intended to alert the operator to the danger of Electro Static Discharge ESD susceptibility This symbol is intended to alert the operator to the danger of crushing injury This symbol is intended to alert the operator to the danger of a lifting
18. LAG gt lt SEQ gt LabMax Pro SSIM User Manual The FLAG data item can be used so that accompanying qualification information is reported with each data record Qualification infor mation includes various error conditions The flag word is reported in the ASCII form of an 8 bit uppercase hexadecimal number Each bit has a qualification meaning as described in the following table Table 4 8 FLAG Bit Definitions Bit Position Hex Bit Mask Qualification Meaning 1 2 3 4 7 XXX Trigger Parameters ESQ MN E E EAN ee E ES ee DN LEE O CO m No qualification exists Trigger Source This command selects the trigger source Trigger Source only applies to pyroelectric probes Command TRIGger SOURce INTernallEXTernal Default is INTernal Query TRIGger SOURce Reply INTIEXT The trigger source setting have no effect on devices positioned as slaves in trigger bussed configurations All slaves receive their trig gers from the trigger bus Internal Trigger Level This command sets the trigger level expressed as an absolute power or energy value depending on which measurement mode is selected This command only applies to pyroelectric and fast power probes If a pyroelectric probe is attached the minimum trigger level is 0 0001 percent of the maximum Joules rating of the probe and the maximum trigger level is 30 percent of maximum Joules rating of the probe Host Interface If a PM Pro p
19. NIST calibrated golden standard sensors These working and golden standards are main tained with the utmost care recalibrated annually and verified even more regularly We maintain multiple NIST calibrated standards at many laser wavelengths to support the growing calibration needs of our customers Optical calibration is a core competency at Coherent and we strive to continually improve our methods precision and repeatability Additionally most of the calibrations are performed with highly automated systems thus reducing the possibility of human error to nearly zero Strict quality inspections during many stages of calibration and testing assure a precise and accurate instru ment that is NIST traceable and CE marked The benefit to our customers is that instruments calibrated by Coherent will consis LabMax Pro SSIM User Manual Limited Warranty Extended Warranty tently perform as expected under their actual use conditions We are a registered ISO 9001 2000 company our products are NIST trace able and our calibration labs are fully ANSI Z540 compliant In addition to the technological advantage we also strive to deliver the best service in the industry with a knowledgeable and responsive staff and rapid turnaround Coherent Inc the Company warrants its laser power and energy meters and sensors products Products to the original purchaser the Customer that the product is free from defects in mat
20. Sitive Query TRIGger SLOPe Reply POSINEG LabMax Pro SSIM User Manual Measurement Data Collection Last Data Record Query Delay This command selects the external trigger delay time The internal trigger happens at the time marked by the external trigger delay time after the selected external trigger edge The trigger delay time units are microseconds Command TRIGger DELay 0 1000 Default is 0 Query TRIGger DELay Reply 0 1000 Set Sequence ID This command sets the sequence ID It must be an integer value The sequence ID is used for data synchronization of multiple meters sharing the same trigger signal Command TRIGger SEQuence 0 16777215 Default is 0 Query none Measurement data can be collected in two ways 1 Receiving measurement data records from a continuous data stream 2 Querying the last data record generated The host has control over when measurement data is transmitted Transmission is enabled after a STARt command Transmission is disabled after a STOP command All measurement data records are transmitted immediately as they are generated while transmission is enabled This query gets the last recorded measurement at the time of the query There is no reply transmitted if no measurement has been recorded Command none Query READ Reply lt last measurement record gt The last measurement record is composed of comma delimited data items generated at the same instant if i
21. a CI eS Be A dp 5 2 Extended Warranty A ndo es ee 5 2 cc DAR PROA A sn Sara o 5 3 Obtaining Service kein a 5 3 Product Shipping Instructi ns nun aan dk en ann SUAR Gde Demigssahi 5 4 Appendix A Specificatons A 1 MEILEN SPECIN CA EE A 1 Persistent Parameters iucipitcn ia id aida A 2 Appendix B ELTON iss corria A aa B 1 Meter and sensor Errors ta B 1 Index muenchen dee Index 1 LIST OF FIGURES 1 1 Waste Electrical and Electronic Equipment Label ie 1 2 2 1 Example of Detail Available When Using High Speed Mode 2 2 2 2 Example of Detail Available When Using Snapshot Mode AAA 2 3 2 3 Construction of a Traditional Radial Thermopile ie 2 6 2 4 Basic Configuration of a PowerMax Pro Sensor 2 7 2 5 The Rise Time of a Typical Mid power Thermopile 30W Compared with the PowerMax Pro ansehen een 2 8 2 6 RV Spectral Correction for Thermal Sensors Normalized to Calibration Way Chen EE 2 9 2 7 RV Spectral Correction for PowerMax Pro Sensors Normalized to Calibration Wavelength il lia 2 10 deli Meier Front Panel ca een eat 3 1 dez Meter Back Panel cu AE 502 655 a RES Ir Na ea 3 1 So External In ever Input CICS ac aed writs sn 3 2 3 4 Example Trigger Output Screens une ans hun 3 3 3 5 Boosting Source Current of Triggering Device eee 3 3 3 6 External Trigger Output Grey ke ne rin nn 3 4 3 7 Location of PC Application Help Button AAA 3 5 LabMax Pro SSIM User Manual 2 1 4 1 4 2 4 4 4 5
22. accurate measurement the external SMB trigger input is optically isolated from the LabMax Pro internal ground by an optoisolator The following figure shows a simplified schematic of the external trigger input circuitry C32 am 10nf Us PS9821 1 F3 AX C227 Chassis Trigger Input Figure 3 3 External Trigger Input Circuitry Operation Figure 3 4 shows examples of trigger outputs Type Source Coupling Siope Level me Edge o DC E 1 98 V RER Type Source Coupling e Level ep tdge o De d X 1 98 Y amp Holdott a Cees E lime Sat Level Mode ou d a Invert we o ce oy mr siu ER A 25 on or Mr W SCH wore Yellow external trigger input Blue optocoupler to output logic Figure 3 4 Example Trigger Output Screens Trigger input pulse must be 3 to 6V 500 nS pulse from a 50 ohm source If a current source is used the minimum trigger current is 5 mA One possible buffer circuit is shown in Figure 3 5 LabMax DN en A Buffer Circuit nun ER l i Trigger In rigger Signal ps Gano o Lo i l I SRD E i Common Beer Figure 3 5 Boosting Source Current of Triggering Device LabMax Pro SSIM User Manual The external trigger signal can be either a rising or a falling edge Trigger polarity is selected in the SETUP Trigger menu NOTICE Trigger signals greater than 7 VDC can damage the optoisolator and should be avoided External Tr
23. ble Cannot process command probe is not present Error 350 is raised when the error queue becomes full Non Queue overflow errors are replaced by Queue overflow errors when there is exactly one available storage location available in the error queue No additional errors are added to the error queue 1f the error queue is full Error 310 is raised when the meter firmware detects an unexpected or unrecoverable error This error condition includes unrecoverable hardware faults Error 100 is raised when the meter receives an unrecognized command or query Error 101 is raised when the meter receives a command or query with one or more invalid data parameters Error 102 is raised when the device receives a command or query for which no valid data exists Error 200 is raised when the device receives a command or query that is out of expected order of execution Error 203 is raised when the device receives a command or query that is password protected Error 220 is raised when the device receives a command or query that contains invalid parameters but the command is valid Error 241 is raised when the device receives a command or query that requires a probe to be present Error Count Query Error Query All Error Query All Error Clear Host Interface This query gets the number of error records in the error queue at the time of the query Command none Query SYSTem ERRor COUNt Reply lt count of error
24. ding Feature Trend average power stability over time s Visualize and track pulse shape and peak power High fidelity resolution of temporal pulses greater than 10 microseconds Beam position target and trend chart when used with posi tion sensing LM model thermopiles e Statistics mean minimum maximum stability and standard deviation Export comma or tab delimited data for analysis in a spread sheet for example Microsoft Excel M or import directly back into LabMax PC application Tuning needle dial or bar graph a Histogram LabMax Pro SSIM User Manual Run multiple instances of software to operate multiple sensors at the same time For system integrators and for implementations that include customer written software the sensors have a comprehensive command set that is easy to access Gj USB driver is a Virtual COM port and supports simple ASCH host commands for remote interfacing Using customer written software the remote interfacing host command set permits sensors to be remotely controlled National Instruments LabVIEW examples for easy LabVIEW integration Thermopile and PowerMax Pro Sensor Technology Thermopile For many years thermopiles have been the detector of choice for Sensors high power lasers These detectors operate on the thermoelectric principle in which thermal energy is converted into electrical energy The typical thermopile has a central light
25. ecseeeecneeeeeeeeenaes 2 8 Wavelength Compensation Accuracy 0 ccccesscecssncecesececesececssececesceecsceecscecseeeenseees 2 9 Section Three Operation remetentes 3 1 Hardware CR RE Besser DRE E DR NR SR DER RREO So de tats OR 3 1 sensor Compatibility an ars seien 3 2 KEE 3 2 Se nike tad 3 2 External Ta esputo eed A E aE 3 2 External Tine ser ENEE e a 3 4 Analoe e ss ate a a a a LER 3 4 PE APO CAG CM A A aai 3 5 Section Four Host Interface 4 1 Special CORSO amas pa e nd Id een 4 1 Message Terminalors nee dado und aaa ad aan San 4 1 Messages Received by the Meter u Hess 4 1 Messages Sent by the Meter nu sans didas 4 1 sine the RS eeng 4 2 111 LabMax Pro SSIM User Manual Data Flow Control em 4 2 Baud Rate and Other Communication Settings oooooocccnoncccnonccononanonananinnnncnnnos 4 2 Usine the USB Interfaces seien 4 2 Syntax and Notation Conventions co nee lianas 4 2 Host Command Quick Reference snur n E E A O 4 3 Commands and Queries ita aida 4 6 SCPI Common Commands uses sauna 4 6 Reset Command RS N a 4 6 Identneatiom Query DN rasas LD dis ea aos 4 6 OW SUC PROP ICING ehesten a 4 7 System Denen Eeer Eeer edel 4 7 System Mall iii didas 4 7 A A ee 4 8 SCHEER 4 8 SYS SYD O AOS 4 8 COMU 17er 119 io ADDRESS ERST PANO edd 4 9 Message Handshaking u ing 4 9 Error Record Reporting and Collection nennen 4 9 Error Count Que ni iu IB 4 11 Error QUEEN Reli 4 11 PUES TSAO CG LY hes sandes parda aan SS
26. en INCL IC EN ENZO re taie NS Command none Query SYSTem FAULt Reply lt fault gt System As an example if a probe is found but there is a general fault the system fault query returns 00000102 Bad zero probe damage temperature exceeded System Restore This command restores all user settings to the factory state Command SYSTem RESTore Query none System Sync This command resets the system measurement sync timer This query gets the system measurement sync timer value The system measurement sync timer is a free running timer that increments by ten for every 10 microseconds of elapsed time This timer is used as the source for the time stamp value for all power related measure ments To counteract clock creep send the system sync command at intervals not to exceed 10 minutes Command SYSTem SYNC Query SYSTem SYNC Reply lt current timer value gt 4 8 Communications Message Handshaking Error Record Reporting and Collection Host Interface This command selects the state of SCPI message round trip hand shaking Command SYSTem COMMunicate HANDshaking ONIOFF Reply OK if ON is selected otherwise no reply is sent Query SYSTem COMMunicate HANDshaking Reply ONIOFF If handshaking is ON o Empty commands that is commands with only whitespace characters reply with OK r n Valid commands with valid data reply with OK r n a Valid queries with valid data reply as
27. erials and workmanship and complies with all specifications active at the time of purchase for a period of twelve 12 months Coherent Inc will at its option repair or replace any product or component found to be defective during the warranty period This warranty applies only to the original purchaser and is not transfer able Coherent Inc the Company offers original purchasers the Customer purchasing laser power and energy meters and sensors products Products an extended twelve 12 month warranty program which includes all parts and labor In order to qualify for this warranty a Customer must return the Product to the Company for recalibration and recertification The Company will re certify the Product provide software upgrades and perform any needed repairs and recalibrate the Product for a fixed service fee as estab lished by the Company from time to time and in effect at the time of service If the product cannot be re certified due to damage beyond repair parts obsolescence or other reasons the Customer may be informed that an Extended Warranty program is not available for the Product If the Product fails and is returned to the Company within one year following the date of recalibration and recertification service the Company will at its option repair or replace the Product or any component found to be defective If the Product must be replaced and the Product is no longer available for sa
28. explicitly defined else where in this section followed by OK r n Valid commands or queries which result in an error reply with ERR lt n gt r n where lt n gt is the error code number see Error Record Reporting and Collection below S Unrecognized commande or queries reply with ERR100 r n h Error queuing occurs as explicitly defined elsewhere in this section If handshaking is OFF All command and query response behavior is explicitly defined elsewhere in this section Programming and system errors occasionally occur while testing or debugging remote programs and also during measurement Error strings follow the SCPI Standard for error record definition lt error code gt lt quoted error string gt The host queries for errors in two steps 1 The host queries for the number of error records available N 2 The host queries N times for the error records Errors are stacked up to 20 deep In the case of error overflow the last error in the error list is an indication of error overflow The possible error strings are shown in Table 4 5 p 4 10 LabMax Pro SSIM User Manual Table 4 5 Error Codes and Description Strings Error Code Quoted Error String Error Description 350 Queue overflow Error queue is full Unexpected unrecoverable hardware or software fault 100 101 102 200 203 220 41 gt The command or query parameter is invalid Device Unavaila
29. f the sensor measurement functions These commands can be sent at any time without affecting a measurement in progress This query returns the system type string For example a typical type string looks like SSIM Note The quotes are not transmitted Command none Query SYSTem TYPE Reply SSIM This query gets the system status code The status code is returned in a string expressed in uppercase hexadecimal integer form The 32 bit word represents a bit mapped status indicator Table 4 3 describes the status condition bit mapping Table 4 3 Status Code Bit Definitions Mask E Sat Denn 00080000 Ready Calculating ie o ae 2 S EE 00100000 FPGA updating FPGA firmware update in progress 80000000 System Fault A system fault occurred check SYSTem FAULt Command none Query SYSTem STATus Reply lt status gt System As an example if a probe is found but there is a general fault the system status query returns 00040004 Probe attached and ready to use meter zeroing in prog ress LabMax Pro SSIM User Manual System Fault This query gets the system fault code The fault code is returned in a string expressed in uppercase hexadecimal integer form The 32 bit word represents a bit mapped status indicator Table 4 4 describes the fault condition bit mapping Table 4 4 Fault Code Bit Definitions BR Mask Mita Deren ION Rosener DEN 00000010 Sensor firmware version invalid A E or bad son
30. gits of resolution and measurement accuracy equivalent to that found in Coherent s other LabMax meters Meter supports spectral compensation for accurate use at wavelengths that are different from the calibration wavelength Each sensor receives a different spectral compensation curve specific to the responsivity of its specific element as well as transmission characterization of any associated optics Long pulse joules capability with thermopile sensors in Stan dard operating mode Trending mode includes adjustable x y cursors and energy integration of captured pulses using PowerMax Pro sensors Description LabMax Pro PC Software Features Mome Data Buffer Measurement Tram View Type THERMO SINGLE Mode Power Wa gt il Stet Model 150HD Range 1530 W Serial OTZOBLAR DD Hg Speed Mode Buffer Statistics Count 434 Live 92 98 mW Mean u 92 32 mW m W Min 29 71 mw Max 94 33 mw Filtered 9293mW StdDev o 580 8 uw AT 1 job Trending ah Es PS o y 0 629 20 p 1 258 434 samples 0 000 thru 43 300 sec TEMPLATE_Beam_Positioncsy Tngger level 7500 W Scaling 30 u 1 887 9500 mW Over Range 0 400 mW hy Over Temp O 93 00 mW A oun ay e Under Range 0 In Fa ek a PINO a A a N 8000 Viana ga EN Triggers engl Missed age W Missing 39 00 mW Selection Bounds 33 00 mw 37 00 mw Plug and play application software is supplied and includes the following features Tren
31. hazard viii Preface RoHS Compliance Export Control Laws Compliance Publication Updates Firmware Updates Preface This manual has user information for the LabMax Pro SSIM Laser Power Meter This Coherent product is RoHS compliant 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 must be obtained from Coherent or an appropriate U S Government agency Products manufactured in the European Union Singapore Malaysia Thailand These commodities technology or software are subject to local export regulations and local laws Diversion contrary to local law is prohibited The use sale re export or re transfer directly or indirectly in any prohibited activities are strictly prohib ited To view information that has been added or changed since this publi cation went to print connect t
32. he Company s facility or at an authorized repair station If Customer is directed by the Company to ship the product to the Company or a repair station Customer shall package the product to protect from damage during shipping and ship it to the address specified by the Company shipping prepaid The customer shall pay the cost of shipping the Product back to the Customer in conjunction with recalibration and recertification the Company shall pay the cost of shipping the Product back to the Customer in conjunction with product failures within the first twelve months of time of sale or during an extended twelve month warranty period A Returned Material Authorization number RMA assigned by the Company must be included on the outside of all shipping packages and containers Items returned without an RMA number are subject to return to the sender LabMax Pro SSIM User Manual For the latest Customer Service information refer to our website www Coherent com Detailed instructions on how to prepare a product for shipping are given under Product Shipping Instructions below Table 5 1 Coherent Service Centers Tomon Phone Fox Emil 1 800 343 4912 503 454 5777 info_service Coherent com 49 6071 968 0 49 607 1 968 499 info_service Coherent com 503 454 5700 503 454 5777 info_service Coherent com Product To prepare the product for shipping to Coherent Ship p Ing 1 Contact Coherent Customer Service refer to Table 5
33. he current maximum allowed or minimum 4 allowed wavelengths CONFigure DECimation ER decimation rate for the fast data acquisition 4 4 4 4 4 4 4 CONFigure RANGe SELect Selects the meter measurement range 4 17 CONFigure RANGe SELect Gets the granted full scale measurement range 4 17 CONFigure RANGe AUTO Enables disables automatic selection of the meter 4 measurement range CONFigure RANGe AUTO Gets the current state of automatic selection of the 4 meter measurement range CONFigure GAIN FACTor Sets the gain compensation factor 4 16 14 14 15 16 16 16 16 16 17 17 18 18 Host Interface Table 4 2 Host Command Quick Reference Sheet 3 of 3 CONFigure RANGe LIST Gets the range table entries from the probe CONFigure ITEMselect Selects data items that appear in a measurement record CONFigure ITEMselect Se data items that appear in a measurement Measurement Data Collection READ Gets the last recorded measurement at the time of the query STARt Enables data streaming for a continuous or fixed trans mission Meter and Probe Device Information SYSTem INFormation PROBe MODel SYSTem INFormation PROBe RESPonsivity Gets the currently connected probe calibration respon E sivity SYSTem INFormation PROBe CDATe Gets the calibration date of the probe 4 27 27 SYSTem INFormation PROBe TEMPerature Gets the head temperature of the probe SYSTem INFormation PROBe DIAMeter Gets the probe diameter
34. he instrument to acquire data from either the slow or fast channel Pyroelectric probes only use the FAST channel whereas thermopile and optical probes only use the SLOW channel setting PowerMax Pro probes can use both channels but not simul taneously Command CONFigure MEASure SOURce SELect SLOWIFAST Default is SLOW Query CONFigure MEASure SOURce SEL Reply SLOWIFAST Note A value of SLOW is returned if a probe is not attached This query returns a list of available source channel selections for the attached probe Command none Query CONFigure ME ASure SOURce LIST Reply SLOW FAST Note A value of SLOW is returned if a probe is not attached This command sets the speedup state The query gets the speedup state Command CONFigure SPEedup ONIOFF Default is OFF Query CONFigure SPEedup Reply ONIOFF Error 100 is raised if the sensor is an optical or if fast channel is selected Enable Disable State This command enables disables area correction Command CONFigure AREA CORRection ONIOFF Default is OFF Query CONFigure AREA CORRection Reply ONIOFF LabMax Pro SSIM User Manual Analog Output Full Scale Voltage Data Smoothing Wavelength Correction Aperture Area This command sets the aperture area expressed in square centime ters cm Command CONFigure AREA APERture 0 01 500 00 Default is 1 0 Query CONFigure AREA APERture Reply 0 01 500 00 This command se
35. he literal string NA quotes not included is returned if a valid probe is not attached or the attached probe does not have a tempera ture measurement device Diameter This query gets the probe diameter Command none Query SYSTem INFormation PROBe DIAMeter Reply lt probe diameter in mm gt The literal string NA quotes not included is returned if a valid probe is not attached or the attached probe diameter value is not known LabMax Pro SSIM User Manual Persistent Parameters Table 4 9 Persistent Parameters GEES estimo am om Seed Jm om maner Pm rag Oumar Fa Sat Vena ER 9 DA ormoN ep CS NC a PC host software settings will overwrite persistent parameters Host Interface Factory settings Persistent settings typically set by the manufac turer These settings are parameters whose access is restricted by Gloss ary password Factory settings do not include operational parameters Ignored command query A defined response for commands or queries in which no internal or external action is taken and the command or query is dropped The meter responds to ignored commands queries as if the command query was never sent Message The transmission of a properly terminated string from host to sensor or from sensor to host Over range error A measurement error condition in which the measurement exceeds the measurement capability of the device Over temperature error A measurement error c
36. hermopile Joules Trigger Level Pulse Detection Measurement Window Factor This command sets the gain compensation factor which is committed to persistent storage when it is changed The gain compensation factor has no units Error 101 is raised if the gain compensation factor is less than 0 001 or greater than 100 000 0 Command CONFigure GAIN FACTor lt 0 001 100000 0 gt Default is 1 0 Query CONFigure GAIN FACTor Reply lt gain compensation factor gt This command sets the current measurement as the zero baseline measurement The meter cannot zero baseline the measurement when in Snapshot mode Command CONFigure ZERO Query none Err 200 is raised if the meter is in Snapshot mode To correct exit Snapshot mode zero and then re enter Snapshot mode This command selects the Pulsed Thermopile Joules mode trigger sensitivity level Command TRIGger PTJ LEVel LOWIMEDiumIHIGH Default is LOW Query TRIGger PTJ LEVel Reply LOWIMEDIUMIHIGH Note This command only applies to thermopile or optical probes This command selects the pulse detection window size for Sampling Joules using the fast measurement channel The input value is expressed in microseconds Value range is 25 10000000 Command CONFigure MEASure WINdow lt 25 10000000 gt Default is 100 Query CONFigure MEA Sure WINdow Reply Pulse detection window size in microseconds Note This command only applies to PowerMax Pro sensors Sample Va
37. ifications 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 Technical Support In the US Should you experience any difficulties with your product or need any technical information please visit our website www Coherent com Additional support can be obtained by contacting our Technical Support Hotline at 1 800 367 7890 1 408 764 4557 outside the U S or e mail Product Support 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 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 US If you are located outside the U S visit our website for technical assistance or contact our local
38. igger The Trigger Out SMB connector is a 15 nS 5V pulse from a 50 ohm O utp ut source It is designed to cascade into another device s trigger input C95 F 100nk 1 R45 D E iN 499K JS 73100 0103 R122 4 TrieOut R 100K TrigOut TriegerOut Trigger Output Figure 3 6 External Trigger Output Circuitry A nalog Outp ut When power is on the Analog Out SMB connector outputs a voltage in proportion to the current laser measurement The output voltage is zero 0 volts when the measured energy or power is zero 0 or less The output voltage is the full scale output voltage when the measured energy or power is full scale or over ranged The full scale output voltage 1 2 or 4V from a 50 ohm source is selected via the meter or the host interface Factory default full scale output voltage is 2V Operation PC Ap plication For detailed information about LabMax Pro PC open the software and launch the Help file by clicking the Help button at the top right of the screen Help Button x Cen port Bt Mng 92 32 WW mW ara Mar 94 33 mW o Feed BAM AP Trending Wegen Fre j 0 629 ala Sm wip 1 258 le tm 100 rw 30 ac TEMPLATE Baam Poston cnt Trapo ow seg 30 e 1887 wo Lover o DEE Over Tome 0 dE Under Range O ann AN N N triggers o nw Missed o ms Gs Z 00 ww Selection Bounds DEE wen Selection Stetisties ocean se so am aw uso an Putse Anotysis agen Soc
39. le Coherent reserves the right to replace with an equivalent or better Product This warranty applies only to the original purchaser and is not transferable Warranty Limitations Obtaining Service Calibration and Warranty The foregoing warranties shall not apply and Coherent reserves the right to refuse warranty service should malfunction or failure result from Damage caused by improper installation handling or use Laser damage including sensor elements damaged beyond repair Failure to follow recommended maintenance procedures Unauthorized product modification or repair Operation outside the environmental specifications of the product Coherent assumes no liability for Customer supplied material returned with Products for warranty service or recalibration THIS WARRANTY IS EXCLUSIVE IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR IMPLIED COHERENT SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL THE COMPANY BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH ITS PRODUCTS In order to obtain service under this warranty Customer must notify the Company of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service The Company shall in its sole discretion determine whether to perform warranty service at the Customer s facility at t
40. lects the full scale output voltage at the analog output connector Command CONFigure AOUT FSCale 11214 Default is 2 Query CONFigure AOUT FSCale Reply 11214 Enable smoothing to suppress large and rapid variations in the output reading Smoothing is implemented as a decimating average of 32 1 for thermopile optical and Pyroelectric probes The smoothing function can be used under the following conditions S A Pyroelectric probe is attached and Joules mode is selected e A thermopile probe is attached and Watts mode is selected eS An optical probe is attached and Watts mode is selected Time This command sets the display data smoothing to either ON or OFF Command CONFigure AVERage TIME OFFION Default is OFF Query CONFigure AVERage TIME Reply OFFION Enable Disable State This command enables disables wavelength correction Command CONFigure WAV Elength CORRection OFFION Default is OFF Query CONFigure WAVElength CORRection Reply OFFION Gain Compensation Host Interface Operational Wavelength This command sets the current wavelength which is committed to persistent storage when it is changed If the requested wavelength is greater than the upper wavelength limit the current wavelength will be set to the upper wavelength limit Likewise if the requested wavelength is less than the lower wavelength limit the current wavelength will be set to the lower wavelength limit The minimum and maximum
41. n ASCII mode or a packet of binary data of a fixed length Data items presented including a flags item will vary depending on the measurement and statistics modes and the data items selected Refer to Table 4 7 p 4 19 4 22 Data Gating Meter and Probe Device Information Meter Host Interface Start Command This command enables data streaming for a continuous or fixed length transmission An optional number of samples between O and 2432 1 can be selected In Snapshot mode the maximum number of requested samples can be 240 000 A value of zero is equivalent to infinity This command is ignored if data streaming transmission has already started Command STARt lt optional number of requested samples gt Query none Stop Command This command disables data streaming interface transmission and is ignored if data streaming interface transmission is already disabled Command STOP Query none Force Trigger Command This command forces a data transmission when in Snapshot mode This command does not respond with an OK if handshaking is enabled but will instead transmit data Command FORCe Query none Note An ERR 200 is raised if the command is sent outside of Snap shot mode and no STARt command has been issued The sensor can be queried for unit identification and quality control information Serial Number This query gets the meter serial number The query is always avail able Restrict the
42. no probe is attached Data items that appear in a measurement data record are selectable The data argument is a comma separated list that consists of one or more tokens shown in Table 4 6 below At least one token must be specified The tokens can be specified in any order Command CONFigure ITEMselect PRIIQUADIFLAGISEQIPER Default is PRI Query CONFigure ITEMselect Reply one or more of PRIIQUADIFLAGISEQIPER Table 4 6 Data Item Selections for Measurement Data Record Data Description Result Expression in Data Record Primary data value includes Watts or Joules Scientific notation for example 2 88E 3 QUAD X Y coordinate values for quad LM probes FLAG 16 bit hexadecimal integer form SEQ Sequence ID 32 bit unsigned integer form R Pulse period expressed in uSec Joules mode 32 bit unsigned integer form Measurement Data Format Host Interface ASCII Data Record Format By default data records are sent to the host in ASCII text A data record is a set of one or more comma delimited data values gener ated at the same instant ending in lt CR gt lt LF gt The selected meter measurement mode controls the type of measure ment data that is sent over the host interface The user receives energy readings from the host interface if the measurement mode is J The user receives power readings from the host interface if the measurement mode is W Watts or Joules are expressed as units per
43. o www Coherent com To get the latest version of LabMax firmware l Download the LabMax Pro SSIM Updater executable file from our website and save it to your computer Attach the meter to the PC via USB Make sure the sensor is disconnected from the meter Turn the meter ON Double click the LabMax Pro SSIM Updater executable file you downloaded and follow the instructions St m a Fe LabMax Pro SSIM User Manual Safety SECTION ONE SAFETY Carefully review the following safety information to prevent personal injury and to prevent damage to this meter or any sensor connected to the meter This equipment has no user serviceable parts For service information refer to Obtaining Service p 5 3 WARNING The use and measuring of lasers can be dangerous This instru ment operates on wavelengths that include non visible laser emissions Correct laser operating practice according to manufacturer recom mendations is vital Eyewear and other personal protective equipment must be used according to applicable laws and regulations If in doubt as to correct operating procedures refer to the laser manufacturer and your laser safety officer The equipment is not for use in critical medical environments WARNING Do not operate this instrument if its panels are removed or any of the internal circuits are exposed WARNING Do not operate this instrument in wet or damp conditions or in an explosive atmosphere
44. om Figure 3 7 Location of PC Application Help Button LabMax Pro SSIM User Manual Host Interface SECTION FOUR HOST INTERFACE Special Considerations Message Terminators Messages Received by the Meter Messages Sent by the Meter In this section Special considerations this page S Host Command quick reference p 4 3 S Commandes and queries p 4 6 Persistent parameters p 4 28 Host Interface glossary p 4 28 Messages between the meter and the host computer are comprised entirely of ASCII string characters All ASCII message strings passing through the host interface are terminated to signal the end of a message string Messages received by the sensor must be terminated by a carriage return decimal 13 Line feed characters decimal 10 are discarded so message terminator flexibility can be attained A command or query is considered incomplete without the terminator The maximum length of any message received by the meter is limited to 200 bytes All messages sent by the meter are terminated by a carriage return decimal 13 and line feed decimal 10 pair LabMax Pro SSIM User Manual Using the RS 232 Interface Data Flow Control No software or hardware flow control methods for serial communi cation is used Baud Rate and Other The host must use a fixed baud rate setting of 115200 8 bit Communication 1 stop bit no parity Refer to the following table Settings Table 4 1 RS 23
45. ondition in which the temperature of the sensor exceeds the over temperature setting Reset cycle The reception of a reset command or the action of disconnecting power and then reconnecting power to the sensor Either event sets all non persistent operational parameters to their default settings Calibration and Warranty SECTION FIVE CALIBRATION AND WARRANTY Calibration Coherent Calibration Facilities and Capabilities In this section Calibration this page S Coherent calibration facilities and capabilities this page e Limited warranty page 5 2 Extended warranty page 5 2 Warranty limitations page 5 3 Obtaining service page 5 3 Product shipping instructions page 5 4 Coherent laser power and energy meters are precision instruments capable of delivering very accurate measurements as well as providing many years of useful service To maintain this high level of performance it is important to have your measurement system serviced and recalibrated once a year As the largest laser manufacturer in the world Coherent has been able to build state of the art calibration facilities containing the widest possible range of laser types and technologies This enables us to perform instrument and sensor calibration under virtually any combination of wavelength power and operating characteristics Sensors are calibrated against NIST traceable working standard sensors which are in turn calibrated against
46. ong pulses and pulse trains used in aesthetic medical applications This temporal detail shows the true perfor mance of the laser previously masked by slow thermo piles thereby providing more information to assist setting up process recipes and for monitoring system performance in manufac turing Figure 2 2 below shows the data quality and high pulse shape fidelity that is achievable Modulated 10 6 um CO2 Laser 50 us PW 8 kHz PRF 40 Duty Cycle Figure 2 2 Example of Detail Available When Using Snapshot Mode LabMax Pro SSIM User Manual Product 2 Features e USB 2 0 High Speed and RS 232 connectivity Instrumentation platform is compatible with PM model ther mopile sensors PowerMax Pro sensors LM model posi tion sensing thermopiles LM 2 amp OP 2 optical sensors and EnergyMax DB 25 pyroelectric energy sensors High speed sampling up to 625 kHz for laser temporal pulse analysis when used with PowerMax Pro sensors Operation up to 10 kHz each pulse with pyroelectric sensors Windows PC application included Updates are available from within the application or from the Coherent website 32 bit and 64 bit Microsoft Windows 7 and Windows 8 compatibility Direct host command support for OEM integration The meter s internal firmware is field upgradeable so you can have access to the latest LabMax features High resolution and fast analog to digital converter supports up to five di
47. owerMax Pro sensors The meter is also compatible with PM model thermopiles in the standard operating mode LabMax Pro SSIM is packaged as a Smart Sensor Interface Module SSIM that interfaces with a host computer through either USB or RS 232 LabMax Pro PC a new Windows PC application then enables instrument control and displays measurement results including laser tuning high fidelity pulse shape visualiza tion and energy integration on a host computer The software provides a wide range of analytical functions including live statis tics histograms trending and data logging The user interface permits flexible sizing of informational panes within the application in which contents are auto sized dynamically as the panes are adjusted letting the user size the information of greatest importance Also a complete set of host commands can be sent through either the USB or RS 232 interface which is useful for embedded applica tions Besides PC interfacing LabMax Pro SSIM also includes an analog output with user selectable voltages of 0 to 1V 2V or 4V Triggering is done with either an external trigger input or a user adjustable internal trigger LabMax Pro SSIM User Manual Operating Mode Overview Standard Speed Mode High Speed Mode LabMax Pro SSIM uses three operating modes Standard Speed o High Speed Snapshot These are discussed next The Standard Speed operating mode of the LabMax Pro SSIM uses a
48. rgyMax pyroelectric Sensor dependent reference sensor specifications Accuracy Digital Meter 1 System Meter sensor Analog Output Power Sampling Rate Thermopile Hz PowerMax Pro Standard Speed Hz PowerMax Pro High Speed Hz PowerMax Pro Snapshot Mode kHz Pyroelectric Hz LM 2 OP 2 Optical Hz Analog Output IL Oto 1 2 or 4V selectable Measurement Analysis Trending tuning histogram data logging statistics min max mean range std dev dose stability pulse shape and pulse energy with PowerMax Pro in High Speed and Snapshot mode beam position with LM Model thermopiles Computer Interface USB and RS 232 Pulse Triggering Internal and External Temperature Operating Range 5 to 40 C 41 to 104 F Storage Range 20 to 70 C 68 to 158 F Instrument Power external supply 90 to 260 VAC 50 60 Hz Compliance CE RoHS WEEE 0 3 kg 0 6 Ib LabMax Pro SSIM User Manual Table A 1 Specifications Sheet 2 of 2 Parameter Description Front Panel Power switch USB high speed port mini B connector Trigger output SMB connector Analog output SMB connector RS 232 port DB 9F connector Rear Panel DB 25 sensor port External trigger input SMB connector 3 to 5 Vin 2 to 10 mA 50 ohm AC 300 ohm DC impedance Power jack 12 VDC center positive a Meter supplied with AC power adapter power cord USB cable trigger cable software and driver CD and cer tificate of calibra
49. riable Decimation Range Select Host Interface This command sets the decimation rate for the fast data acquisition channel which takes effect at the end of the current decimation cycle The decimation rate units are expressed samples rounded to the nearest integer Measurement data is selected for processing ranging as frequently as 1 sample processed per 1 measured to as infrequently as 1 sample processed per 99999 samples measured Command CONFigure DECimation 1 99999 Default is 1 Query CONFigure DECimation Reply 1 99999 Error 241 is raised if the sensor is not a pyroelectric or fast power sensor Range Value Select This command selects the meter measurement range expressed in the units defined under the current measurement mode Joules or Watts The measurement range is selected by expressing the maximum expected measurement which must be greater than 0 0 The lt granted full scale range gt value is the lowest available full scale range that can measure the lt maximum expected measure ment gt For example if the list of available ranges is 3 mW to 30 mW and the maximum expected measurement is 10 mW the granted range will be 30 mW The lt granted full scale range gt is the top range available if the lt maximum expected measurement gt exceeds the top range value Command CONFigure RANGe SELect lt maximum expected measurement gt IMA XimumI IMINimum Default is not applicable Query CONFigure RAN
50. robe is attached and Joules mode is selected the minimum trigger level is 0 0001 percent of the maximum Power rating of the probe and the maximum trigger level is 100 percent of maximum Power rating of the probe All other modes have a minimum trigger level of O zero and a maximum trigger level that is the maximum power rating of the probe To determine the minimum and maximum values of the probe use the query TRIGger LEVel MIN and TRIGger LEVel MAX respectively Command TRIGger LEVel MINimumIMAXimuml lt probe dependent gt Default is probe dependent Query TRIGger LEVel MINimumIMAXimum Reply probe dependent Percent Level Using this command for any probe type sets the trigger level expressed as a percentage of the maximum power or Joules rating of the probe Command TRIGger PERcent LEVel DEFaultl MINimumIMAXimum 0 0001 100 0 Default is 5 Query TRIGger PERcent LEVel DEFaultIMINimumIMA Ximum Reply 0 0001 100 0 The trigger level setting has no effect when external triggering is selected External Trigger The external trigger settings have no effect when internal triggering is selected or on devices that are positioned as slaves in trigger bussed configurations This command only applies to pyroelectric and fast power probes Edge Select This command selects the external trigger edge The selected trigger edge is the external trigger event Command TRIGger SLOPe POSitivelNEGative Default is PO
51. s require you to exit the application LabMax Pro SSIM User Manual A Analog output 3 4 Applying wavelength compensation accuracy 2 8 C Calibration 5 1 Coherent calibration facilities and capabilities 5 1 Commands and queries 4 6 Communications 4 9 Compatibility sensor 3 2 Compliance Export control laws ix RoHS ix Conformity declaration of 1 2 D Declaration of conformity 1 2 Description sensor technology 2 6 E Errors Meter and sensor B 1 Record reporting and collection 4 9 Export control laws compliance ix Extended warranty 5 2 External Trigger input 3 2 Trigger output 3 4 F Features LabMax Pro PC software 2 5 Product 2 4 Firmware updates ix G Glossary host interface 4 28 H Hardware 3 1 Analog output 3 4 External trigger input 3 2 External trigger output 3 4 Power supply 3 2 Sensor compatibility 3 2 USB RS 232 3 2 High Speed mode 2 2 Host command quick reference 4 3 Host interface Commands and queries 4 6 Communications 4 9 Index INDEX Error record reporting and collection 4 9 Measurement setup and control 4 12 SCPI common commands 4 6 System options 4 7 Glossary 4 28 Host command quick reference 4 3 Measurement Data collection 4 22 Meter and probe device information 4 23 Persistent parameters 4 28 A 2 RS 232 interface using 4 2 Special considerations 4 1 Message terminators 4 1 Syntax and notation conventions 4 2 Using the RS 232 interface 4 2 Using the USB interface
52. serial number string to no more than 20 characters white space is not allowed Command none Query SYSTem INFormation INSTrument SNUMber Reply lt quoted meter serial number gt LabMax Pro SSIM User Manual Part Number This query gets the part number and is always available Restrict the part number string to no more than 20 characters Command none Query SYS Tem INFormation INSTrument PNUMber Reply lt quoted part number gt Model Name This query gets the model name and is always available Restrict the model name to no more than 20 characters Command none Query SYS Tem INFormation INSTrument MODel Reply lt quoted model name gt Calibration Date This query gets the calibration date and is always available Restrict the date string to no more than 20 characters Command none Query SYS Tem INFormation INSTrument CDATe Reply lt quoted calibration date gt Manufacturing Date This query gets the manufacturing date and is always available Restrict the date string to no more than 20 characters Command none Query SYS Tem INFormation INSTrument MDATe Reply lt quoted calibration date gt Meter Type This query returns the meter type as TOP or TO TOP means the meter supports Thermopile Optical and Pyroelectric detectors probes TO meters only support Thermopile and Optical detectors probes Command none Query SYS Tem INFormation INSTrument TYPE Reply TOPITO Probe Hos
53. service representative Representative phone numbers and addresses can be found on the Coherent website www Coherent com Coherent provides telephone and web technical assistance as a service to its customers and assumes no 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 Signal Words and Symbols in this Manual Vii e vii le EE dana TU ne aaa ds ETA AAA Seta Vili A De Reit ix RoHS Compliance rta ix Export Control Laws Complianee ssas rre a quae E E E S ix E E ETE ix Firmware Updates o Asean ae eas ix Section One Safety td 1 1 Waste Electrical and Electronic Equipment WEEE 20001 1 2 Declaration OF Conformity sanieren er 1 2 Section Two Description 2 1 Introduction stitial hele ds 2 1 Operating Mode Overview Wesel ada 2 2 andara perdi O an Apa Road 2 2 EP ES Ee rerre e E E n E N E a R 2 2 Snapshot Modei A meine 2 3 Product Features 2 22 22 2m RG tee nas eda ee bd 2 4 LabMax Pro PC Software Features ld 2 5 Thermopile and PowerMax Pro Sensor Technology 2 6 Thermopile Sensors aa nm sen 2 6 PawerMax Pro Sensor nn Ra Se eee Rae 2 7 Applying Wavelength Compensation Accuracy ccessceseereeceeececeeeeeceee
54. shaking Error Record Reporting and Collection SYSTem ERRor COUNt Gets the number of error records in the error queue at 4 11 the time of the query SYSTem ERRor NEXT Gets the next error record s in the error queue SYSTem ERRor ALL Gets all error records in the error queue at the time of the query SYSTem ERRor CLEar Clears all error records in the error queue Measurement Setup and Control CONFigure MEASure MODe Sets the instrument to a measurement mode of dBm 4 12 Watts or Joules CONFigure MEASure MODe Gets the measurement mode of the instrument CONFigure ME ASure SNAPshot SELect Sets the instrument to acquire data in a burst or snap shot fashion CONFigure MEASure SNAPshot SEL Gets status of instrument to acquire data in a burst or 4 1 snapshot fashion CONFigure MEASure SNAPshot PREbuffer Sets the pre trigger buffer size in samples CONFigure MEASure SNAPshot PREbuffer Gets the pre trigger buffer size in samples 4 12 12 CONFigure MEASure SOURce SELect Sets the instrument to acquire data from either the slow or fast channel CONFigure MEASure SOURce SEL Gets the current data channel nr Returns a list of available source channel selections for A d A 9 CONFigure MEASure SOURce LIST the attached probe LabMax Pro SSIM User Manual Table 4 2 Host Command Quick Reference Sheet 2 of 3 CONFigure SPEedup 4 13 CONFigure AREA CORRection CONFigure AREA CORRection S p A A D pa wf
55. shot mode 2 3 Specifications A 1 Meter A l Persistent parameters A 2 Standard Speed mode 2 2 Supply power 3 2 Syntax and notation conventions 4 2 System options 4 7 T Trigger External circuit 3 4 U Updates Firmware ix Publication ix USB RS 232 3 2 Using RS 232 interface 4 2 USB interface 4 2 W Warranty Extended 5 2 Limitations 5 3 Limited 5 2 Waste electrical and electronic equipment WEEE 2002 1 2 Wavelength compensation accuracy 2 8 Applying 2 8 Index 2 LabMax Pro SSIM User Manual Coherent Inc 5 2015 RoHS printed in the USA Part No 1269224 Rev AC
56. slow Specifically it frequently takes several seconds before the heat flow caused by the laser reaches equilibrium and the power measurement becomes stable on the display Physically larger sensors take longer to reach this stable state This slow response time makes thermopiles best suited for measuring CW laser power For pulsed lasers the best they can deliver is average power over a finite time interval or total integrated energy from a long burst of pulses Coherent developed PowerMax Pro technology to meet the growing need for a laser power sensor that offers the broad wavelength sensi tivity large dynamic range and high damage resistance of a thermo pile with the fast response speed approaching that of a semicon ductor photodiode The PowerMax Pro is constructed and config ured differently than a thermopile Specifically in this device the heat flows vertically through the detector and the electrical field that is generated moves perpendicular to the heat flow refer to Figure 2 4 below Short Heat lt Laser Flow Path Zait microns Thin film heat flow Figure 2 4 Basic Configuration of a PowerMax Pro Sensor 2 7 LabMax Pro SSIM User Manual Power W The materials used in this sensor are a stack of films which have layer thicknesses on the order of microns Incident laser light is absorbed and generates heat which can flow very quickly through these thin layers to the heatsink below the detector where i
57. square centimeter if area correction is active The following information is available with each data record PRI Measurement value in 3E format when fast channel is used and 5E format for any other power probe type QUAD Measurement values in 2E 2E format for the X Y coordinates when a quad LM sensor is connected FLAG Flags refer to Table 4 8 p 4 20 SEQ Sequence number formatted as a decimal integer PER Period value expressed in decimal integer as microsec onds The meter internally generates a data record according to the following rules e With every pulse when a thermopile probe is attached and if Joules mode is selected S When a measurement sample is taken a thermopile or optical probe is attached and Watts mode is selected Since thermopile and optical power measurements are continuous in nature not event based as with pyroelectric probes the delivery of this data can be configured as a stream of sampled points or simply the last point recorded The presentation of the data items in a data record are in PRI QUAD X QUAD Y FLAG SEQ or PER order depending on which tokens are specified see the following table Table 4 7 Measurement Data Record Format ASCII Measurement Mode Measurement Record Format Watts or long pulse Joules lt PRI gt lt FLAG gt lt SEQ gt Watts or long pulse Joules quad LM sensors lt PRI gt lt QUAD X gt lt QUAD Y gt lt F
58. t Interface Firmware Version This query returns the firmware version of the meter Command none Query SYS Tem INFormation INSTrument FVER Reply lt firmware version gt FPGA Hardware Version This query returns the hardware version of the FPGA in the meter Command none Query SYS Tem INFormation FPGA HVER Reply lt hardware version gt FPGA Firmware Version This query returns the firmware version of the FPGA in the meter Command none Query SYS Tem INFormation FPGA FVER Reply lt hardware version gt Type This query gets the currently connected probe type Command none Query SYS Tem INFormation PROBe TYPE Reply lt type gt lt qualifier gt lt type gt NONE THERMO PYRO or OPT lt qualifier gt NONE SINGLE QUAD or NOSPEC NONE NONE is returned when there is no valid probe attached THERMO QUAD or THERMO SINGLE is returned when a valid thermopile probe is attached PYRO NOSPEC is returned when a valid pyroelectric probe is attached OPT NOSPEC is returned when a valid optical probe is attached LabMax Pro SSIM User Manual Model This query gets the currently connected probe model Command none Query SYS Tem INFormation PROBe MODel Reply lt probe model string gt The probe model string is the name string of the attached probe and is the generic name of the attached probe if the string does not exist The reply string is not quoted The following naming rules apply in the order lis
59. t is dissi pated The electrical signal from the thin film layers moves laterally to the edges of the device where it is measured by tapping into the sensor electrodes Compared with the traditional radial flow thermopile which has a sensing time constant value of several seconds the time constant for the thin film configuration is in the microsecond range This enables the sensor to supply an essentially instant power measure ment without any overshoot refer to Figure 2 5 below The PowerMax Pro sensor preserves the main benefits of the traditional thermopile architecture namely large active area 30 mm x 30 mm wide dynamic range 50 mW to 150W high damage resistance 14 kW cm and broad wavelength range 300 nm to 11 um Power Max Dr Thermopile 5 10 20 25 30 15 Time sec Figure 2 5 The Rise Time of a Typical Mid power Thermopile 30W Compared with the Applying Wavelength Compensation Accuracy PowerMax Pro The response speed of PowerMax Pro sensors lets users move beyond just measuring average power and enables visualization of the temporal pulse shape and peak power of modulated lasers with pulse lengths greater than 10 us These pulses can be integrated to calculate individual pulse energy Overall measurement accuracy is a combination of the meter and sensor calibration uncertainties For an up to date list of all compat ible sensors and their specifications go to www Coherent com LMC Wa
60. ted 1 An empty string if a valid probe is not attached 2 The probe model string stored within the probe EEPROM if a probe model string exists 3 LM if a valid LM style probe is attached and a probe model string does not exist 4 PM if a valid PM style probe is attached and a probe model string does not exist 5 Unknown in all other cases Serial Number This query gets the serial number of the probe Command none Query SYSTem INFormation PROBe SNUMber Reply lt probe serial number gt An empty string is returned if a valid probe is not attached Responsivity This query gets the currently connected probe calibration respon sivity Responsivity units depend on the probe type Command none Query SYSTem INFormation PROBe RESPonsivity Reply lt responsivity gt 0 0 is returned if a valid probe is not attached Host Interface Calibration Date This query gets the calibration date of the probe Command none Query SYS Tem INFormation PROBe CDATe Reply lt probe calibration date gt The date is expressed using the ASCII string format of lt 3 character month name gt lt day of the month gt lt year gt An empty string is returned if a valid probe is not attached Head Temperature This query gets the head temperature of the probe Command none Query SYSTem INFormation PROBe TEMPerature Reply lt probe head temperature in degrees Celsius in integer format gt T
61. tion Persistent Refer to Persistent Parameters p 4 28 Parameters Errors APPENDIX B ERRORS Meter and Sensor Errors Table B 1 Meter and Sensor Errors reported shown next to the error in the error message the buffer contains unsaved data preserve the data Hardware Incompatibility Software is connected to a meter that has Install newer firmware or software or Standard Mode vs Snapshot De selecting High Speed mode in the Press Yes to disable Snapshot mode and Mode Conflict Home tab while Snapshot mode is change to Standard mode or press No to enabled in the Data Buffer tab remain in High Speed and Snapshot mode marked with the Missing Data flag Restored to Default with non factory default user settings restoring the factory defaults Snapshot Mode Setting Not all requirements have been met for Click Confirm Changes to make necessary Conflict entering Snapshot mode setting adjustment and enable Snapshot mode or click Cancel Request to leave all settings unchanged Unable to launch Updater Software is unable to find the updater Reinstall the software Program application when you press the Check for Updates button Unable to Open Meter on Port not connected to a meter or another Select an available Com port COMI application is using the port Unexpected Error Encounter Unexpected error condition Reference the specific corrective action shown next to the error in the error message unrecoverable error
62. velength Compensation Accuracy Rv Spectral Correction Factor 0 9 0 85 0 8 Description The combined accuracy is based upon practices outlined in the National Institute of Standards Guidelines for Evaluating and Expressing Uncertainty NIST Technical Note 1297 1994 Edition The combined accuracy of the measurement is calculated by using the law of propagation of uncertainty using the root sum of square square root of the sum of squares some times described as summing in quadrature where Measurement Accuracy JU Wi where U Percent Calibration Uncertainty W Wavelength Accuracy Coherent uses several coatings to capture the incident radiation on thermal sensors The specifications list which coating is for each sensor Typical wavelength ranges and response curves for these coatings are shown below Each sensor has a spectral curve gener ated from reflectance measurements taken with spectrometers or direct laser lines The reflectance data are converted into a wave length compensation look up table that is loaded into the sensor This data is accessed by selecting a wavelength of operation in the software P Black Coating with Quartz Window Broadband Coating y Coating 1 10 Wavelength um Figure 2 6 RV Spectral Correction for Thermal Sensors Normalized to Calibration Wavelength LabMax Pro SSIM User Manual Absorber Spectral Reflectivity 90 Broadband Coating

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