Intevac MicroVista NIR, User Manual

Page 1: ...Intevac Inc 3560 Bassett Street Santa Clara CA 95054 2704 MicroVista NIR and UV Cameras User Manual User Manual ...

Page 2: ...s manual may void the manufacturer s warranty This symbol is intended to alert the user to the presence of important operating and maintenance servicing information in the literature accompanying the appliance To prevent fire or shock hazard do not expose the unit to rain or moisture The components in this camera are susceptible to static electricity Do not open camera There are no user serviceabl...

Page 3: ...s Dirt may be removed from the exterior case by wiping it with a soft cloth To remove stains wipe with a soft cloth lightly moistened with a gentle detergent solution Wipe with a dry cloth after cleaning Do not use a benzene thinner or other chemical product on the camera case as that may cause discoloration or deformation Do not install close to heat generating devices such as spotlights or gener...

Page 4: ...rable to scientific grade CCD cameras The MicroVista camera has a 1 3 megapixel resolution and 30 frames per second full frame digital readout via CameraLink The camera has a small form factor low power consumption and is ideal for high sensitivity video rate imaging Camera Features Image Programmable AGC Windowing Region of Interest Image Orientation Horizontal Flip Digital Zoom Histogram Equaliz...

Page 5: ...ain in the next image frame The time interval from row to row is constant so all rows receive the same amount of exposure time but the readout is sequential so the rows are not all exposed simultaneously The length of time that the row is held in reset determines the exposure time for that row A row with a very short reset period will have a relatively long exposure period and vice versa For examp...

Page 6: ...d out Objects moving from left to right or right to left will be slanted in the direction of motion Objects moving from top to bottom will be elongated and objects moving from bottom to top will be shortened Rolling Shutter Frame Rate In Rolling Shutter mode it is possible to lower the frame rate increase exposure time without resorting to Pseudo Snapshot mode Increasing the interline delay reset ...

Page 7: ...owing equation The following table lists readout times and frame rates for some common window sizes Window Size Readout Time Frame Rate 1280 x 1024 33327 µs 30 Hz 640 x 512 9216 µs 109 Hz 320 x 256 2746 µs 364 Hz 160 x 128 908 µs 1102 Hz 80 x 64 337 µs 2963 Hz tread colend colstart 1 tpixel treset rowend rowstart 1 treset 152 tpixel 3 4545 µs tpixel 0 0227 µs 1 44 MHz ...

Page 8: ...diagonal Resolution 1 3 million pixels 1280 x 1024 Pixel Size 10 8 µm square Fill Factor 100 System Read Noise 40 e rms typical Spectrometric Well Capacity 40 ke typical Dark Current 150 e p s typical Lens Mount C mount 1 optical format Camera Mount 1 4 20 Shutter Type Rolling Exposure Range 30 µs to 6 seconds depending on region of interest ROI ROI Windowing Software selectable Frame Rate vs ROI ...

Page 9: ...icroVista NIR Camera e s n o p s e R E Q l a c i p y T 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 0 1 0 0 1 1 0 0 0 1 0 0 9 0 0 8 0 0 7 0 0 6 0 0 5 0 0 4 0 0 3 0 0 2 0 0 1 m n h t g n e l e v a W Quantum Efficiency V U e s n o p s e R E Q l a c i p y T 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 0 1 0 0 1 1 0 0 0 1 0 0 9 0 0 8 0 0 7 0 0 6 0 0 5 0 0 4 0 0 3 0 0 2 m n h t g n e l e v a W Quantum Efficiency...

Page 10: ...MicroVista Camera User Manual ICD0057 Rev 1 10 Imaging Support imaging intevac com http www mosir950 com 408 496 2019 Camera Dimensions Figure 3 Camera Dimensions ...

Page 11: ...ing a 1 C mount lens to avoid vignetting the image area Figure 4 Optical Interface The sensor has an input window made of UV grade fused silicon The window is 2mm thick and is AR coated for maximum transmission NIR and UV versions have different AR coating NOTE Standard lenses invert the projected image The MicroVista sensor is oriented to account for that The displayed video output will appear no...

Page 12: ...r a C mount lens If necessary to adjust the C mount relative to the sensor focal plane refer to Figure 5 Alignment Location Detail for the location of the 10 32 set screw To loosen rotate the screw counter clockwise With the setscrew loosened the lens mount can be moved in and out to adjust the focal plane location When the desired position is obtained turn the screw clockwise to tighten and retai...

Page 13: ...the user must connect the camera to a computer equipped with a frame grabber and the CameraLink communications interface Shipped Items MicroVista Camera near infrared NIR or UV Camera Configuration Software GUI and software development kit SDK CD MicroVista Quick Start Guide hard copy and User Manual CD Male to Male MDR CameraLink Cable Adapter 90V 264V AC to 3 6V DC 1 22A Extension power serial c...

Page 14: ...e grabber software and capture card following the manufacturer s instructions 2 Install the MicroVista GUI from the Intevac CD 3 Connect the CameraLink data cable to the MicroVista and the frame grabber 4 Connect the transition power serial cable with round mini DIN connector to the camera 5 Optional Connect the 9 pin serial connector to the serial port of the computer 6 Plug the 2 prong power ada...

Page 15: ... com http www mosir950 com 408 496 2019 15 Use the frame grabber manufacturer s software to capture video from the camera Further information is given in the user manual supplied with the frame grabber Use the MicroVista GUI to control the features of the camera ...

Page 16: ...MicroVista Camera User Manual ICD0057 Rev 1 16 Imaging Support imaging intevac com http www mosir950 com 408 496 2019 Figure 6 Camera Installation ...

Page 17: ...grabber card and PC set up and functioning properly If the camera is not responding to GUI commands check the following 1 Camera is receiving power 2 Check port settings If using RS 232 settings should read as shown in Figure 7 COM Port Properties Window If using Camera Link serial the bits per second should be set to 38400 The MicroVista GUI attempts to set this automatically but some frame grabb...

Page 18: ...s for the MicroVista camera See Figure 8 Connect Tab Figure 8 Connect Tab Port Configuration This section is used to select which port should be used for communicating with the MicroVista camera Once the desired port has been selected press the Connect button to connect to the camera NOTE Once communication is established with the camera the port configuration cannot be changed until the camera ha...

Page 19: ...e user to select a specific portion of the image area to view by setting the starting and ending X and Y pixels of the image to read out Smaller windows allow the MicroVista to output video at faster frame rates See Figure 9 Windowing Tab Figure 9 Windowing Tab Window Settings This section is used to set the camera start and stop pixels NOTE The X Start and X Stop values must be divisible by 8 Sta...

Page 20: ...ow allows the user to control the video settings for the MicroVista camera See Figure 10 Video Mode Tab Figure 10 Video Mode Tab Video Mode This section is used to define the sensor used for video output The MicroVista operates in two modes Rolling Shutter and Pseudo Snapshot Rolling Shutter In Rolling Shutter mode the camera accepts a user requested frame rate and adjusts the interline delay time...

Page 21: ... the video output with an external time reference The genlock signal is the Camera Control 1 CC1 of the CameraLink standard Because the MicroVista camera uses the base configuration the pins are 9 and 22 The user must have a frame grabber that allows input of external signals The Frame Sync input is active high and must last at least 5 pixel clock periods 114 ns Upon the falling edge of the Frame ...

Page 22: ...sired video frame rate in frames per second This control is only active in Rolling Shutter mode Click the Set button to save any changes Exposure Time Sets the desired exposure time in milliseconds This control is only active in Pseudo Snapshot mode Click the Set button to save any changes Readout Time Indicates the time it takes to read a frame in milliseconds Clocks This setting is used to set t...

Page 23: ...ions are applied to each good pixel in every frame The resulting corrections are robust at all illumination levels Bad Pixel Concealment The imaging sensor may contain several cosmetic defects These may include unresponsive or defective pixels and clusters of defective pixels These defects are removed or ameliorated by defective pixel replacement The camera is calibrated in the factory to determin...

Page 24: ...ta cameras Histogram Equalization This section enables automatic contrast adjustment using the image histogram to provide better images of overexposed or underexposed video This will distribute output pixel values so that contrast is enhanced in low contrast scenes and brighten dark images to make the full scene clearly visible in the display In very dark scenes histogram equalization will cause t...

Page 25: ...ion 1 1 January 2004 The API is also compatible with the earlier 1 0 CameraLink standard It has been tested with the National InstrumentsTM PCI 1428 frame grabber and with the Imperx FrameLinkTM VCE LCB frame grabber Build Notes The API is a C library built with Microsoft Visual Studio Version 8 using the runtime libraries of Net Framework 2 0 When building an application that links with the API s...

Page 26: ...braries with which the app needs to link The Apps folder contains a utility command line app ECameraVersionQuery that queries a camera for its version The Apps folder also contains the IVeCamExample which is a simple command line example app that connects to a camera and sends and receives several commands The source code for the example app is included The Doc folder contains the dynamic html hel...

Page 27: ...in Out Schematic Camera Side AGC Automatic Gain Control CMOS Complementary Metal Oxide Semiconductor FPS Frames Per Second GUI Graphical User Interface SDK Software Development Kit Pin Signal Name Transition Cable P N 446260 Wire Color 1 Serial Rx Brown 2 Serial Tx Red 3 Ground Orange 4 Ground Yellow 5 3 5 Volts DC Green 6 3 5 Volts DC Blue ...

Page 28: ... 7 TECHNICAL SUPPORT INFORMATION Customer Service Applications Support General Information Phone 408 496 2019 Email imaging intevac com Phone 408 987 2587 Email btrue intevac com Phone 408 496 2019 Email imaging intevac com Website http www mosir950 com Address Intevac Inc 3560 Bassett Street Santa Clara CA 95054 2704 ...

Page 29: ...PERMITTED BY APPLICABLE LAW THE SOFTWARE IS PROVIDED AS IS WITH ALL FAULTS AND WITHOUT WARRANTY OF ANY KIND AND INTEVAC HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS WITH RESPECT TO THE SOFTWARE EITHER EXPRESS IMPLIED OR STATUTORY INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES AND OR CONDITIONS OF MERCHANTABILITY OF SATISFACTORY QUALITY OF FITNESS FOR A PARTICULAR PURPOSE OF ACCURACY OF QUIE...

Page 30: ...feree This limited warranty does not cover items lost by you damaged by misuse or damaged by flood fire earthquake or other acts of God beyond the control of Intevac Inc Basic Limited Warranty Intevac Inc warrants the electrical and mechanical components of the product excluding the sensor to be free from substantial defects of material or manufacture for a period of one 1 year from the date of sh...