Designed by Photron to see and measure stress in transparent materials and fluids at framing rates of over one million frames per second, thehigh-speed Crysta 2D polarization camera is based on a 1 MPixel CMOS image sensor with a 20 µm pixel size and a pixelated polarizer array made from photon crystal affixed directly to the sensor. This photonic crystal lattice features pixels, in groups of four square, each having a different polarization axis at 0˚, 45˚, 90˚ and 135˚. By applying phase shifting algorithms with circularly-polarized incident light, birefringence phase difference and azimuthal angle can be measured to enable us to quantify and measure physical stress in transparent and semi-transparent fluids and solids at full resolution operation to 7,000 frames per second (fps), and reduced resolution to 1.3 million fps, according to Photron.
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Headquarters: San Diego, CA, USA
Product: Crysta high-speed polarization camera
Key Features: 1 MPixel CMOS image sensor with a 20 µm pixel size and a pixelated polarizer array made from photon crystal affixed directly to the sensor, up to 1.3 million fps.
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