Very Expensive Sensor
Contents
1. Observe max irradiance limits or pay for sensor replacement Carefully read this supplement twice before attempting to use the camera Compact Portable Port Powered USB 2 0 FIR Beam Profiling for Windows 7 Vista amp XP Features 35 um pixel pitch 392 x 296 pixels 13 72 x 10 36 mm I mage Area Silicon microbolometer Port Powered USB 2 0 flexible 3 m cable no power brick 1 85 47 mm thin 12 bit ADC 4 MB image buffer amp on board microprocessor gt 100 1 Signal to rms noise attainable Exposure range 4 1 I mager Gain range 5 7 1 Camera shown actual size 2 40 x 2 65 x 1 85 x 2 05 with ND filter 10 1 ND absorbing screw on filter provided No Chopper Required Measure Pulsed or CW Beams Room Temperature no cooling TE power required 0 9 0 8 c gt gt gt gt gt gt gt gt gt gt 9 gt 0 7 0 6 Applications CO FIR laser profiling P Field servicing of FIR lasers and laser based systems i Optical assembly amp instrument alignment 0 2 Beam wander amp logging 0 1 I MPORTANT 50 mW cm saturation CW irradiance TBA mW cm catastrophic damage threshold CoO gt gt o gt S ec gt gt o gt t 7420 4H 5 mW A 3 um laser image N64 16 9 v in Clip a 3 t Major MajiSO MintsO Minor Mean Ellip Orient Crosshair 2 S E e ie e o pa 8 le ls 5 S x lt a u w c 3 is g J p2. open and close it in order to install the driver Install the camera on the computer per the main User Manual Leave the cap on the camera Start the software Study the WinCamD manual amp this supplement a FIR Calibrate Dial x Calibration x Please enter or werty camera name 9 mme first time on any particular computer a Camera not 307137402055 calibrated warning will appear Complete 4 hot and 294 cold pixel d If a xxxx yyyyyyyy uFir_2_cal file is provided on the CD A al Meas ae use Windows Explorer to copy it to the c Program Camera bias voltages files DataRay directory Go to 15 VSK 40t0 6 5 5 04 If no cal file is provided go to Step 10 VFID 28t036 310 OOOO 10 In the Setup pull down menu choose Calibrate current Camera to open the FI R2 Calibrate Dialog Save and exit Cancel 11 Go for a break Return in five minutes after the camera has warmed up Required before camera calibration Recommended before normal use 12 Enter the camera SN number from the label on top in the dialog See label example right WinCam FIR_Manual_supplement_1011a docx Page 2 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA 13 Enter the camera bias voltages VSK and VFID from the label on top of the camera Press Start Calibration 14 After a few seconds you will see the line Complete appear in the dialog Press Save and exit The calibration file is saved in c Program fil
3. J x A 5 x 4 g gt E glz e Jo in e a j ADC Peak GFit image zoom TAGS ZOOM an 2Wua 13 5 5402 1 um 2Wub 50 0 2865 2 um 4 if4 AN oA Page 1 of 12 eed i Be OA xvrt Hitise CO 4 Bars eaeaGie s USSF JoL 40040 74 4 Merge f Clipfa 2 tes Peak 78 9 BETYTT my ort Me 60 0 2606 6 um ive 60 0 f J Maximum minimum 6 8 10 12 14 11 wavelength um WinCamD FIR2 16 Relative Spectral Response Minimize time that the camera spends in higher irradiance beams Long term over exposure can increase dark current Odada AMT y ihes Meld Ti EK dowogm D Fad Wid den Baehr 25 00 75 OA Dome m IRI by 2 Fa bgd et Uni armen Fis Onde Perin Average fer Cavers Vew Crand Saa epe G J View 225 Tit 2 iatt ywer 0S CACT OEE hda www dataray com 203 210 5065 DataRay Inc Bella Vista CA WinCamD FIR Setup and Use Software Ver 7 1B12 or higher Warning Using any type of uncooled far IR camera is different from using a standard CCD camera 1 Like older plasma televisions but more so far IR bolometric cameras are susceptible to burn in damage because the damage threshold is close to the saturation threshold and to the working irradiance range Slight damage may anneal out but major burn in is irrepairable DataRay supplies a post calibration reference image with every FIR camera so that any subsequent damage is simply deter
4. TFE _Ellip O74 Oriont 11 7 deg Crosshair 11 7 deg Xe 1656 4 um Ye 403 1 um ADC Peak 67 5 GFit 79 1 27 In the Average pull down Image zoom 1 menu set Average 20 Press Zia gh 13 5 1406 1 um avo ee 15 he DSDG 4 in the Background subtraction aca Tr button in the toolbar You E know which this is because you read the full manual a SSS oe SS O a ak right ae xj But in case you forgot it s H The message shown right appears Block beam and press OK Cancel Block the beam and then press OK Press Go you will get this to the right 28 Allow the beam back press Go amp if everything has gone right you should have a good image of your beam that may look something like this you should see something like this Delta 320 4 um Pixel 37015 57 736 Average of 20 WinCam FIR_Manual_supplement_1011a docx Page 6 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA Delta 325 9 um Pixel I 58950 90 07 Average of 20 29 Optionally press the normalize button on the toolbar to get this 30 Press Stop immediately and block the beam to reduce the possibility of burn in 31 Go File Save Save current data as wef Until the software is updated to save all voltage settings 4p 32 Load Defaults Go Stop File Load defaults to set many things back to their defaults Currently this sets Imager Gain to 5 7 Integration to 211 us Auto VSK
5. 100 0 20 40 60 80 100 z mm from wedge center z mm from wedge center WinCam FIR_Manual_supplement_1011a docx Page 11 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA e C mount OD 0 30 amp 0 76 25 4 mm diameter CaF 10 6 um attenuators Stocked by DataRay as FIR CaF2 0D0 3 FIR CaF2 0D0 76 Damage threshold 50 W cm 5 J cm at 10 6 um 100 ns 1 Hz Appendix B Defective Pixels Specification A pixel is considered non operating if e It s responsivity is lt 0 8 x or gt 1 2 x average responsivity e It s NETD is 1 5 x the average NETD in the STR A single non operating pixel is a non operating pixel with no adjacent non operating pixel Area THE FPA is divided into three areas which have the same optical axis e Area A the central zone of 80 x 60 pixels e Area B the central zone of 320 x 240 i e excluding Area A of the array e Area C the rectangular annulus between the full 392 x 296 image are and Area B Cluster A cluster is defined as a group of at least two non operating pixels adjacent by side or corner Clusters are defined by their size in terms of non operating pixels Non operating row A row is considered non operating if more than 50 of the pixels in this row are no operating Non operating column A column is considered non operating if more than 50 of the pixels in this column are no operating Operability specification The following specification is valid only within areas
6. A amp B Clusters Areas A amp B Maximum cluster size 9 non operating pixels Rows amp Columns Area A 0 non operating row or column Area B lt 1 non operating rows amp lt 1 non operating columns Operability Areas A amp B 299 WinCam FIR_Manual_supplement_1011a docx Page 12 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA
7. E ss ee ee EE ee ee eee ES EEE Ess eee ee EE re a aaa Scale 1100 0 um div Peak 95 2 B 1 2 WinCam FIR_Manual_supplement_1011a docx Page 8 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA DataRay I nnovation The company that brought you the first Windows based CCD beam profiler the first thin camera for confined spaces the first software slider exposure and electronic auto shutter the first standard window free CCD for no fringing the first auto orientation on the ellipse amp the first USB 2 0 beam profiling camera has done it again Compact Room Temperature Port Powered WinCamD FIR cameras Features Co gt gt gt gt Digital serial link for EMI immunity XY profiles and centroids Linear and logarithmic displays Gaussian and Top Hat least squares fits Ellipse Angle Major Minor Mean Diameters Background capture and subtraction Image amp Intensity Zoom Linear and area filters Image Averaging 1 to continuous PC Or Mac Intel Operation c gt gt gt gt WinCamD FIR Specifications Preliminary specifications subject to change without notice Wavelength Ranges Pulsed lasers Interface ISO 11146 Certification Measurable Sources Measured Beam Powers Manual Beam Attenuation Measurement Accuracy Measured amp Displayed Profile Parameters Displayed Profiles Displayed Plots Processing Options Pass Fail display Averaging Log data R
8. elative Power Measurement Fluence Weight Camera Head Minimum PC Requirements WinCam FIR_Manual_supplement_1011a docx 2 16 um Averages pulses over the exposure period Same mean irradiance limits apply USB 2 0 for laptops amp desktops 3 m standard thin cable 5 m option Beam profile Second moment processing RoHS WEEE CE CW beams Pulsed sources See Note below Contact Support for options 5 um processing resolution for interpolated diameters Absolute accuracy is beam profile dependent 10 um accuracy is frequently achievable Centroid accuracy is also beam dependent It can be as good as 10 um since it is arithmetically derived from all pixels above the centroid clip level Beam Diameter Diameter at two user set Clip levels Gaussian amp Second Moment beam diameters Equivalent diameter above a user defined Clip level Equivalent Slit and Knife Edge diameters Beam Fit Gaussian amp Top Hat profile fit amp fit Equivalent Slit profile Ellipticity Major Minor amp Mean diameters Auto orientation of axes Centroid Position Relative and absolute Intensity Weighted Centroid and Geometric Center Beam Wander Display and Statistics Smoothing Filter Triangular running average up to 10 FWHM 2 D amp 3 D plots 10 16 256 or max colors or gray Contoured display at 10 and 16 color X Y Profiles 2D 3D Plots Zoom to x10 Image amp profile averaging 1 5 10 20 Continuous Background Capture and S
9. es DataRay directory as this example 3011 37422055 uFir_2_ cal If you move the camera to another PC either redo the calibration or also move the file Reference Image amp Damage Gly TRA E LEA S ae a eae Os Hai OE al ee oe 15 After calibration we take a Reference file at Imager Gain 1 and minimum Integration time two examples above IMPORTANT In the event of any claims regarding imager damage this is the definitive reference image A copy is kept with DataRay and a copy accompanies the shipment Note that there can be both dead and bright pixels inevitable with microbolometers See the Defective Pixels Specification in Appendix B How to identify Damage Below is an example of a sensor with white burn areas plus a faint green left to right trail due to overexposure Such user damage is not covered by warranty and is not repairable If your beam is small you can continue to use the good areas of the sensor but Auto VSK offset may have difficulty The good news is that the sensors are replaceable at the factory You do not need to purchase a new camera Delta 1045 6 um Pixel 10691 16 6 Average of 20 WinCam FIR_Manual_supplement_1011a docx Page 3 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA Very Expensive Sensor Observe max irradiance limits I rradiance limits amp Damage Thresholds 16 We cannot stress strongly enough that the maximum irradiance lim
10. ide while adjusting the sensitivity As the beam saturates stop walking the beam onto the sensor As ADC Peak approaches or exceeds 100 the screen values will turn Orange as a warning As the beam saturates first use the middle slider to reduce the Imager Gain Delia 1685 7 am Pixel 47773 fe ey Clip a 13 5 Clip b 50 0 Major 10007 5 um Minor 9206 2 um Mean 11265 3 um ADC Peak 85 4 Eff 2W 12636 2 um i iin _ Scale ID p Scale S000 umin Pea BU Eso i Pea KEMEN 20 Histogram Right click on the 2D screen to select Show ADC Histogram live only This shows the distribution of ADC input levels in the current screen These levels are used by the Auto VSK offset control to adjust the VSK to give a good image 21 Auto VSK offset Right click on the VSK offset bar to Enable FIR auto base adjust This uses the MP2 Auto baseline adjust x histogram distribution range to automate the baseline setting in order to optimize the compromise between sensitivity and dynamic range 22 Signal level too high If the Imager Gain is at 1 es use the lower slider to reduce the Integration If the Imager Gain amp Integration are fully to the left and you are still saturated immediately block Cancel the beam and remeasure and reduce the irradiance See Appendix A for samplers and attenuators 23 Signal level too low I mager Gain causes signal to noise ratio to deteriorate faster than increased Integ
11. its must be observed To facilitate this we provide two graphs of APPROXIMATE maximum signal versus beam diameter at 3 amp 10 um However in our experience many IR lasers beams have peaky profiles rather than smooth Gaussian or top hat pixels Even on commercial lasers we have seen major profile variations of peak intensity and position with time see burnt sensor image on previous page WinCambD FIR2 16 Saturation Power Limits ats amp 10 6 um cw mv Gain 1 integration 65ms No filter 85 of ADC Higher powers are possible with available accessories 10 a m7 ii za L bazz EE Oooo Eem E o E em EZE e ay aaa Fa Eoo ees E CONES CEE el eee INT LUT Ft oR EE NT iN ae A it E L i L B z ia g OT E H ANE Fae 13 5 Beam Diameter in mm __ _ E S Ez Ea E L E p i faa iz Fa E l 1 10 Damage threshold limits are approximately 20 times higher than the Saturation power limits Operation 17 Go File Load defaults Press Go You will see a screen similar to that shown below Delta 1774 1 um Pixel 60953 93 09 WinCam FIR_Manual_supplement_1011a docx Page 4 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA 18 Measure your estimated beam irradiance It must be lt 25 mW cm Unscrew the plastic dustcap 19 First time carefully and interatively walk the beam in from the s
12. mined 2 The range of offset and exposure adjustment is lower so more care must be taken 3 Never start a measurement unless you know that the peak beam irradiance is lt 25 mW cm i e you have a calibrated power meter and an estimate of your beam diameter See Appendix A for some available meters and filters 4 Cumulative exposure at high irradiance can cause burn in and may permanently damage the detector We recommend the use of a shutter or at least have a way to block the beam quickly and easily in order to limit burn in shading due to cumulative exposure Even below saturation at low Imager gain 1 with maximum Integration time try to keep the time per session that the laser is on the imager to minutes not ten s of minutes We may relax this restriction in the future 5 With the FIR2 16 camera DataRay includes an ND2 0 546 nm filter which is usefully ND 1 0 at wavelengths below 4 um See Appendix A for the transmission curve Safety 6 Sensor Safety IMPORTANT You are totally responsible for the safety of the expensive sensor If you damage the sensor the replacement charge is many 1 000 s See Irradiance limits amp Damage Thresholds and Operation below 7 Laser safety You are totally responsible for your own laser safety and for the safety of the expensive sensor wear appropriate goggles Use appropriate screens and door interlocks Installation 8 Before attaching the camera you must install the software
13. offset to off and Show histogram to Off 33 See or suspect a problem Send both files to support dataray com Follow up with a call to 303 543 8235 please also press the button and paste into Paint or Word and save the file WinCam FIR_Manual_supplement_1011a docx Page 7 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA Powerful Beam Analysis Software Beam Wander on a drifting Laser Up to 8192 samples at a User Set interval Mean RMS and Max deviation Replay Fast or Slow Export to Excel Paint Bitmap or Clipboard Auto I nclusion Region on an Elliptical Beam Automatically isolates the appropriate analysis region With user overrides Delta 987 2 um Pixel 36441 58 77 Scale radius 30 um Samples taken 146 Mas deviation 28 7 um Last deviation 18 9 um Mean 99um AMS 12 20 um 12 24 Time interval minimum Samples to be recorded 8192 Replay To ClipBoard Normalize Replay Fast Save as bitmap To Excel Sequence Off Export to Paint 2twa amp 13 5 3 641 mm Standard Linear Profile 2Vvb 50 0 2 82 mm with Gaussian Fit oe 83 6 J G_2W 3 69 mm A emma cere coe ee es Ce Logarithmic Profile EET EO Averaging amp Log 40 dB a a SS SS display reveals structure SS SE ES Eee EE ee eee in the wings of the beam lt at levels below 1 SSS ESS SS SS SS SS SS S
14. ons to 23 mm M accessory ISO 11146 Standard Linear scanning slit CW or Pulsed PRR gt 5 kHz lasers up to 23 x 45 mm scanned area WinCamD UCD12 14 Bit ADC with high resolution 2 CCD array 4 65 x 4 65 um pixels WinCamD UCD15 14 Bit ADC with high resolution CCD array 4 4 x 4 4 um pixels WinCamD UCD23 14 Bit ADC with high resolution 2 3 CCD array 6 45 x 6 45 um pixels DualCamD Measure real time divergence and ratios with cameras at 90 BladeCam 0 65 thin CMOS camera with 2 CMOS sensor 5 2 x 5 2 um pixels hreaded 44 screw on ND filter 4 places on rear in 5mm deep housing Depth to ir Ge window TE 3 0 mm KRY H a i i 1 6 6 40 5 mm ET EJ 1 20 Co depth a to sensor surface 7 C Mount USB 1 4 20 SIE 1 0 32 UNC 2B 0 3 deep U C EN Da N e i 1 7 i N O 90 7 05 7 4 5 1 525 01 5 U 1 10 U 0 WinCamD FIR2 16 Outline amp Mounting Shown actual size WinCam FIR_Manual_supplement_1011a docx Page 10 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA Appendix A a non exhaustive list of related products a Power Meters for uW to W a Gentec eo XLP12 1S H2 DO with P Link USB interface uW to 3 W b Samplers and attenuators a C mount Absorbing Glass ND filters mounted at 3 originally specified for 350 to 1150 nm silicon CCD systems The graph below shows the calculated IR transmission f
15. or these filters Stocked by DataRay as ND1 0 ND2 0 and ND3 0 An ND2 0 is provided with every system Damage threshold 1 W cm 6 OD 5 N D1 0 MOS 0 MO 0 A nnn b C mount IR metallic ND filters on a Ge substrate flat over 2 14 um ND 0 3 0 5 1 0 2 0 3 0 Stocked by DataRay as FIR NDO 3 FIR NDO 5 FIR ND1 0 FIR ND2 0 amp FIR ND3 0O Damage threshold TBA W cm c ZnSe FIR Wire Grid Polarizer Extinction Ratio 100 at 3 um 300 at 10 6 um Available in a C mount rotating mount as FIR WGP RM Damage threshold 50 W cm 2J cm 100ns d Wedge beamsplitters ZnSe 3 and CaF unmounted 25 mm diameter wedge beamsplitters Stocked by DataRay as FIR W CAF2 3 FIR W ZnSe 3 for unmounted wedges or FIR MW CAF2 3 FIR MW ZnSe 3 for a mounted wedge Damage threshold 50 W cm 5 J cm at 10 6 um 100 ns 1 Hz Reflectivity at 45 Two orthogonal wedges s p Ratio Av Ratio CaF 6 85 0 47 14 6 1 3 66 0 032 3115 1 ZnSe 27 9 9 8 3 58 1 17 1 2 18 46 1 CaF Primary amp secondary reflected beam separation Beam ZnSe Primary amp secondary reflected beam separation Tam vs distance from wedge separation vs distance from wedge an S mm 2 46 0 0301 xz s mm mm 1 27 0 0582 x 2 8 0 80 7 0 T E T ji 7 0 ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee eee ee 6 0 6 0 5 0 5 0 40 40 Hh 30 1 3 0 20 MM 20 10 i ae ee 0 0 SE 0 0 nen cnnann 0 20 40 60 80
16. ration does so increase Integration first and only if maximum Integration is inadequate should you then increase the Imager Gain As you adjust Integration wait patiently for the Auto VSK adjust to catch up Sensor characteristics cause the DC level to decrease before it increases again even though responsivity is increasing linearly with Integration 24 Readout in mm Want to read beam diameter in mm rather than um Go to Setup and choose Numeric Display Modes Select XXX Y mm 25 Smooth the Beam or See Detail In the Filter pull down menu select an Area filter Area display filters improve visible SNR at the expense of resolution E g the 3x3 pixels filter will improve SNR by WinCam FIR_Manual_supplement_1011a docx Page 5 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA a factor of 3 but increases the effective pixel size from 35 x 35 um to 105 x 105 um This is still 50 resolution elements across a 5 mm beam Want mainly to smooth the beam Use Area filter Beam diameter in mm x 2 Want to see detail in the beam Use Area filter lt Beam diameter in mm 2 Want to compromise Use Area filter Beam diameter in mm iie dairi ee ri ews 8 Tee ab 26 When you have set Imager cima 13 5 oe P Chp b 20 0 Gain Integration irradiance and the options above Miia ee appropriately you will arrive at Minor 10078 8 um i F Mean 11036 8 um something like this Pens ow
17. ubtraction job files save all WinCamD custom settings for particular test configurations On screen in selectable Pass Fail colors Ideal for QA amp Production Beam dimension running average up to 50 samples Up to 4096 samples Centroid Min Max Mean Standard Deviation Rolling histogram based on user s initial input Units of mW pj dBm or user choice relative to a reference measurement input Fluence within user defined area 320 gm 11 oz 1 GHz Pentium IV or higher running Windows 7 Vista XP 32 or 64 bit 1024 MB RAM 10 MB Hard Drive space 1024 x 768 monitor USB 2 0 hi power 500 mA port Page 9 of 12 www dataray com 203 210 5065 DataRay Inc Bella Vista CA ORDERING INFORMATION Limited 1 Year Warranty Free Software Upgrades 30 Day Sale or Return Evaluation PO excludes sensor damage A Complete System comprises Camera Software 3 m 10 ft Cable User Manual Part Number component descriptions WinCamD FIR2 16 Complete working USB 2 0 camera system includes manual cables and software 2 16 um Other DataRay Profiling USB 2 0 Instruments 190 nm to 3 5 um options BeamMap2 Real Time M Squared Multi plane profiler 0 1 micron resolution on CW lasers Centroid Alignment Divergence M Visible and Telecom wavelengths Optional Dual Detectors 190 1800 nm Beam R2 0 1micron resolution on CW lasers 0 5 micron to 4 mm beam dimensions Optional Dual Detectors 190 1800 nm BeamScope P8 100 micr
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