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Pyrocam
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HR
User Guide
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Phone: (435) 753-3729
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Ophir-Spiricon, LLC
3050 North 300 West
N. Logan, Utah 84341
©2017 Ophir-Spiricon, LLC
Pyrocam III
User Guide
Document No. 50361-001
Rev E
7/18/2017
Page 1
HR
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- Page 1 For Sales, Service or Technical Support Phone: (435) 753-3729 Fax: (435) 753-5231 Service Email service@us.ophiropt.com Sales Email sales@us.ophiropt.com Ophir-Spiricon, LLC 3050 North 300 West N. Logan, Utah 84341 ©2017 Ophir-Spiricon, LLC Pyrocam III User Guide Document No. 50361-001 Rev E 7/18/2017 Page 1...
- Page 2 LabVIEW and NI-IMAQdx are registered trademarks of National Instruments Corporation. © 2015-2017 Ophir-Spiricon, LLC. All Rights Reserved. Ophir-Spiricon, LLC reserves the right to make improvements in the product described in this User Guide at any time and without notice. All rights to the product and any accompanying documents are reserved. While every precaution has been taken in the preparation of this product, the publisher and author assume no responsibility for errors, omissions, or any loss of data because of said errors or omissions.
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Page 3: Table Of Contents
Table of Contents Table of Contents ....................... 3 CHAPTER 1 – GENERAL INFORMATION ..............5 Introduction ......................5 Models ......................... 5 Included Items ..................... 5 Accessories ......................6 How to Use This Manual ..................6 Safety ........................6 1.6.1 Optical Radiation Hazards ................6 1.6.2 Electrical Hazards ................... - Page 4 Gain Correction Overview ....................37 Gain Correction Procedure ....................38 APPENDIX E – PYROCAM MODEL NUMBERS AND ACCESSORIES ........ 40 Pyrocam IIIHR Models ....................40 Optional Pyrocam IIIHR Windows ...................40 APPENDIX F – TABLE OF FEATURES ................ 41 Pyrocam III User Guide Document No. 50361-001...
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Page 5: Chapter 1 - General Information
CHAPTER 1 – GENERAL INFORMATION 1.1 Introduction The Pyrocam III is a high performance, solid-state, pyroelectric camera that features a 12mm imager (160 x 160 pixels) and 16-bit A/D converter. This enables reliable measurement and analysis of both large signals and low-level signals in the wings of the laser beam. The uniform infrared response and large dynamic range makes the camera suitable for real-time thermal imaging of hot sources. -
Page 6: Accessories
Getting Started with GigE User Guide This User Guide 1.4 Accessories Spiricon offers a complete line of accessory equipment to support the Pyrocam in your application. These range from Ge lenses to beam attenuation optics and beam expanders/reducers. Spiricon provides custom accessories to match your specifications. Consult Spiricon or your local Spiricon representative for current accessory availability and pricing. -
Page 7: Electrical Hazards
Usage of this instrument may require the operator to work in the optical path of high power lasers. Exposure to the radiation from these lasers may be sufficient to warrant the use of protective equipment. Unless the optical path is enclosed, the operator should be protected against accidental exposure. -
Page 8: Chapter 2 - Connections, Controls And Displays
CHAPTER 2 – CONNECTIONS, CONTROLS AND DISPLAYS 2.1 System Installation A Pyrocam system consists of the following: Pyrocam camera with power supply USB 3.0 to Ethernet adaptor PC computer running Windows 7 or Windows 10 (32 or 64 bit) and BeamGage ... -
Page 9: Driver Installation
Spiricon Camera Driver Manager is launched at the end of the BeamGage installation. Select the Pyrocam IIIHR then click the Install button. You can close the Spiricon Camera Driver Manager when finished. BeamGage will now automatically connect to the Pyrocam when powered and connected to the computer. -
Page 10: Chapter 3 - Setup And Operation
CHAPTER 3 SETUP AND OPERATION – 3.1 Introduction The Pyrocam can analyze both CW and Pulsed style lasers. Fitted with an appropriate lens, the Pyrocam can continuously image high temperature thermal objects, or can capture short-pulsed thermal events. The Pyrocam requires different setups depending on the specific application. NOTE: This manual describes the operation of the Pyrocam III with BeamGage For other... - Page 11 The Pyrocam has a video gain control to help with viewing lower intensity lasers. The number in the slide control does not correspond to the actual gain in V/V. The corresponding gain for each setting is shown in Table 1. Gain Setting Gain (V/V) 1.00 1.14...
- Page 12 Turn on/off BP correction, demonstrates the current impact of the mapped BP’s The Source Information group shows how many more pixels you can mark as bad and how many pixels have already been BP marked. The Save and Load group allows you to save or load a Bad Pixel map file for use by the Pyrocam.
- Page 13 Software Bad Pixel Correction Enable/Disable the bad pixel correction simulation built into the BeamGage software. List This allows the operator to preview the effect of the current BP before writing it into the Pyrocam’s EEPROM. Bad Pixel Correction Map List Toggle control to show/hide the marked pixels currently entered in the correction Pixel Selection Type Select either a single pixel, row of pixels, or column of pixels when adding/removing...
- Page 14 The X and Y values show the current pixel location of the cursor. This setting selects which pixel can be adjusted using the manual method. The Save and Load group allows you to save and retrieve a GC table text file. Software Gain Correction Enable/disable the built in software gain correction.
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Page 15: Pulsed Operation
3.3 Pulsed Operation To operate with pulsed lasers, an external trigger must be supplied to the Pyrocam TRIGGER connector. The relationship between the trigger pulse and the pulsed event must meet certain timing and electrical requirements for correct operation. These requirements are detailed in the following sections. -
Page 16: Pulse Mode Setup Procedure
3.3.2 Pulse Mode Setup Procedure Pulse mode is enabled by selecting Pulsed in the Trigger Method panel. Connect a trigger source to the TRIGGER connector. See APPENDIX A for trigger pulse electrical requirements. The GREEN Trigger LED will illuminate when trigger pulses are applied to the Pyrocam. The RED LED will blink once when power is applied. -
Page 17: Mode 2, Periodic Operation
be contained within the programmed Exposure time. In general, you should program the Exposure time to extend 10-15% longer than the actual laser pulse width. To remain in mode 1, you must restrict your trigger rates to be <3Hz. The Pyrocam automatically switches from Mode 1 to Mode 2 if the trigger rate meets or exceeds 3Hz. -
Page 18: Mode 2, Periodic-Burst Operation
Hint: For laser pulses that occur simultaneous with the trigger rising edge and are shorter than 100µs, set the Delay time to -50µs and set the Exposure time to the pulse width plus 70µs. NOTE: Calibrating the Pyrocam with a slow pulse rate in mode 2 will take a while to complete, so be patient Figure 3.2 : Mode 2, Periodic, ������... -
Page 19: Mode 3, High-Speed Operation
Figure 3.3 : Mode 2, Periodic–Burst, ������ < �� , ������ < �� < �� < ������������ �������� ������ �������� ������ �� −1 8.705���� + �� ������ �� ∆�� = �� − �� ���� ����−1 �� = �� − .1∆�� + 10 for ��... -
Page 20: Chopped (Cw) Operation
that will reduce the effective rate to a value that falls just within a rate supported in pulse mode 2. For example, a pulse rate of 150Hz will be divided by 2, yielding a capture rate of 75Hz. A pulse rate of 1000Hz will be divided by 9, yielding a rate of 111Hz. Note that this does not mean that the Pyrocam will output data frames at a rate of 75 or 111Hz. -
Page 21: Chopped (Cw) Setup Procedure
WARNING: Before exposing the Pyrocam detector to a CW Laser, be sure that you will not exceed the safe operating levels of the array. Refer to APPENDIX A for damage threshold limits. Permanent damage to the array may result if these limits are exceeded. -
Page 22: Calibrate And Ultracal Cycles
Occasionally, the blade will jitter or make a little noise as the control loop makes slight periodic adjustments to the chopper’s position. The internal chopper is placed very close to the detector’s focal plane. Thus diffraction effects are reduced and a sharper image is possible when an optional lens is fitted. 3.4.1.2 Beam Alignment Chopped imaging is most accurate when the input laser beam is perpendicular to the plane of the chopper/imager. -
Page 23: Ultracal Cycle
3.5.2 Ultracal Cycle An Ultracal cycle begins after the above Calibrate cycle is completed. The Ultracal operation is performed completely in BeamGage. Ultracal will average 64 dark frames to establish a new baseline that is accurate to fractional count precision. This extra precision allows beam width and centroid calculations to be as precise as possible. -
Page 24: Ultracal Status Indicator
Green will illuminate in the status bar. Be patient… this can take more than a minute if the trigger rate is slow or if you are using pulse mode 1 (single-shot mode). 3.5.4 Ultracal Status Indicator The Pyrocam powers up in an un-calibrated state. Each time it is powered down all previous calibration data is lost. -
Page 25: Chapter 4 - Genicam Compatibility
Pyrocam features should be changed by the normal user. APPENDIX F shows a list of features that should be changed by, and read-only features that could be useful to, any user. Ophir- Spiricon can provide support only for the features in this list. Changing any other feature will cause the Pyrocam to misbehave and may cause the camera to stop working. - Page 26 The Pyrocam has been tested with the following examples: Grab and Attributes Setup.vi Grab and Basic Attributes.vi Grab and Detect Skipped Buffers.vi Grab and Reconfigure.vi Grab and Select Interface.vi Grab.vi Sequence.vi Snap.vi ...
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Page 27: Appendix A - Specifications
APPENDIX A – SPECIFICATIONS Pyrocam III Specifications ENVIRONMENTAL Operating Temperature +5°C to +50°C Storage Temperature -30°C to +85°C Humidity 95% max non-condensing POWER REQUIREMENTS Line Voltage 100-240 Vac Line Frequency 47-63Hz Power Consumption 10 W WEIGHT Pyrocam (w/o power supply) 0.85kg (1.88 lbs.) DIMENSIONS See page 30... - Page 28 Firmware Field upgradeable via Ethernet port Software BeamGage™ GenICam controls provided for 3rd party interfacing CHOPPED / CW OPERATION Chopping Frequencies 25Hz, 50Hz Sensitivity (RMS noise limit) 64 nW/pixel (25Hz) 96 nW/pixel (50Hz) 1.0 mW/cm (25Hz) 1.5 mW/cm (50Hz) Noise Equivalent Pwr (NEP) 12.8 nW/Hz /pixel (1Hz) (Chopped at 25Hz and averaging 25 frames to 1Hz)
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Page 29: Pyrocam Dimensions
Pyrocam Dimensions (w/o chopper or cables) Pyrocam III User Guide Document No. 50361-001 Rev E 7/18/2017 Page 29... - Page 30 Figure A.1 Trigger Input Circuit Pyrocam III User Guide Document No. 50361-001 Rev E 7/18/2017 Page 30...
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Page 31: Appendix B - Protective Bezel Removal And Window Installation
APPENDIX B – PROTECTIVE BEZEL REMOVAL AND WINDOW INSTALLATION The windowless protective bezel on the pyroelectric detector allows the Pyrocam to be operated at various wavelengths of light and provides some degree of protection to the detector. Optional A/R coated windows can be installed which provide added protection. These windows limit the pyroelectric detector response to a specific wavelength light range. - Page 32 STEP 2. Remove the chopper blade by removing the three (3) screws as shown in Figure B.2. Be careful not to apply downward pressure to the screws when removing them as it could cause the chopper mount to slip out of alignment and potentially damage the window or encoder.
- Page 33 STEP 3. Disengage the two screws securing the bezel to the motor plate as shown in Figure B.3. Caution: Use great care to ensure that the bezel does not slip or detach prematurely. If it contacts the detector, damage is very likely to occur. STEP 4.
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Page 34: Appendix C - Bad Pixel Correction
APPENDIX C – BAD PIXEL CORRECTION Bad Pixel Correction Overview This procedure will assume that the user is familiar with the operation of the Pyrocam. This procedure will outline how to go about locating a bad pixel, marking a pixel for correction, and downloading an updated bad pixel map to the Pyrocam. - Page 35 illuminators. It is also necessary to be able to translate the illuminated spot around the detector array in search of the defective pixels. Don’t forget to Calibrate/Ultracal the Pyrocam. Open Utilities With the Pyrocam operating as described above, click on the Bad Pixel Correction expansion button to access the bad pixel correction tools as shown below.
- Page 36 Figure C.1: A Bad Pixel Centered in the Cursors STEP 4. Click Add Pixel to List to mark the newly identified bad pixel. Observe that the pixel turns YELLOW, the “Available Pixels” counter decreases by one, and the “Marked Pixels” counter will have increased by one. NOTE: If you accidentally mark the wrong pixel, select the unwanted pixel from the Pixel List and click Remove Pixel from List.
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Page 37: Appendix D - Gain Correction
APPENDIX D – GAIN CORRECTION Gain Correction Overview This procedure will assume that the user is familiar with the operation of the Pyrocam. This procedure will outline how to go about creating a gain correction table for downloading to the Pyrocam. -
Page 38: Gain Correction Procedure
accidentally load a bad gain correction table into your Pyrocam. They can be a source of the original valid table to restore to the Flash memory. The backup files are named: ~<serial_number>.py4gcc (for chopped mode) ~<serial_number>.py4gcp (for pulsed mode) Where <serial_number>... - Page 39 for any bad pixels that may be present. Do not worry about these pixels, as the bad pixel correction map will deal with them. NOTE: If you want to make sure that all the bad pixels you see are marked for repair, follow the directions in APPENDIX C.
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Page 40: Appendix E - Pyrocam Model Numbers And Accessories
APPENDIX E – PYROCAM MODEL NUMBERS AND ACCESSORIES Pyrocam III Models Model Description SP90405 PY-III-HR-C-A Pro Pyrocam III pulsed/chopped SP90415 PY-III-HR-C-A-MIR Pro Pyrocam III pulsed/chopped, MIR Enhanced Optional Pyrocam III Windows Model Description SP90365 PY-III-HR-W-BK7-1.064 Pyrocam III window assembly, BK7, A/R coated for 1.064µm SP90366 PY-III-HR-W-SI-1.05-2.5 Pyrocam III... -
Page 41: Appendix F - Table Of Features
APPENDIX F – TABLE OF FEATURES The Pyrocam contains hundreds of features. All features, except for those identified as read- only, can be changed by any GenICam compliant camera software. However, only features in the list below should be changed. The list also includes read-only features that could be useful. support only provided for features in this list. - Page 42 Camera resets to FALSE when calibration is finished. PixelHSize Effective horizontal pixel pitch float 80.0 in microns. PixelVSize Effective vertical pixel pitch in float 80.0 microns. CameraStatus Bit flag indicating current uint camera status #define STATUS_BUSY 0x0001 #define STATUS_CALIBRATE 0x0002 #define STATUS_VALID_FLA SH_PULSE_BADPIX...
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