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Photron | CRYSTA PI-1P

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The Photron Crysta PI-1P polarization high speed camera is used to quantify and measure physical stress in transparent and semi-transparent fluids and solids. The Photron Crysta PI-1P polarization camera system can measure at 7,000 fps in full resolution operation or at 1.3 million fps when running ...Read more
  • Description
  • Specifications

The Photron Crysta PI-1P polarization high speed camera is used to quantify and measure physical stress in transparent and semi-transparent fluids and solids. The Photron Crysta PI-1P polarization camera system can measure at 7,000 fps in full resolution operation or at 1.3 million fps when running at reduced resolution.

The Photron Crysta PI-1P high-speed polarization camera for the two-dimensional analysis of birefringence measurements, film thickness analysis, and surface roughness inspection, and is a powerful tool to understand phenomena such as birefringence, retardation, stress and impact fracture mechanisms of materials and fluids. This systems employ mechanical or electrical drives as polarization modulators, they require several photo-detection processes to measure polarization. In order to overcome this problem, The Photron Crysta PI-1P utilizes a high-speed 2D birefringence measurement system with a sampling rate of 1.3 MHz as the core device of the system with 16 parallel read out circuits in a matrix in the image sensor, which are connected to each pixel with individual A/D converters.

The image sensors design and fabrication incorporates a pixelated polarizer array which is made from photonic crystal bonded directly to the CMOS sensor, making the optical system in this sensor resistant to vibration. Each polarizer corresponds to each pixel of the image sensor with a one to one ratio. The size of each polarizer and pixel is 20 µm x 20 µm. In the polarizer array, groups of four neighboring polarizers (2 x 2) are set to have differing fast axis orientation at 0°, 45°, 90° and 135° in a clockwise arrangement. One polarization datum can be obtained by calculating detected light intensities from the four pixels of the image sensor. The parallel read-out circuit is arranged in a corresponding matrix.

The electric charges that represent the light intensities accumulated from each pixel are quantized by the multi-channel Analog/Digital converters and are stored in the memory of the camera. Once that is done. the software apply a phase shift analysis process to the stored data to obtain time-serial images of birefringent phase difference.

Specifications

1,550,000

Performance examples:

  • 1,024 x 1,000 pixels @ 7,500 fps
  • 512 x 512 pixels @ 25,000 fps
  • 256 x 256 pixels @ 87,500 fps
  • 128 x 128 pixels @ 262,500 fps
  • 128 x 24 pixels @ 775,000 fps
  • Variable Region of Interest (ROI)
  • Capture 12-bit uncompressed data
  • 20 μm pixels ensure best light sensitivity for demanding high-speed or low light applications
  • Phase lock to IRIG/GPS
  • Rear panel has two HD-SDI and one RS-170 BNC outputs for real-time monitoring during setup, recording and playback
  • Optional remote keypad control with integrated viewfinder
  • 32GB or 64GB memory options
  • Gigabit Ethernet interface
Mode CRYSTA Pl-lP
 
System features Super high-speed polarization imaging
Image sensor High-speed polarization image sensor
Polarizer Linear polarizer
Polarization operating wavelength range (nm) 520 ~ 570
Pixel gray scale (bit) 12
Maximum full sensor resolution 1024 X 1024
Maximum full polarized sensor resolution  512 X 512
Maximum frame rate at full resolution 60 ~ 7,000
Maximum frame rate fps 1,550,000
Minimum exposure time (nsec) * 2 369
Lens mount F-mount and C-mount
PC connection and control interface l000BASE-T
Data storage format RAW, AVI, BMP, CSV
AC supply voltage (V) 110 (200V option available)
AC supply frequency (Hz) 50-60
AC power consumption (VA) 130
DC supply voltage (V) 20-36
DC power consumption (VA) 130
Memory size (GB) 32GB or 64GB
Recording time (seconds) 2.98 (@7,500fps)
Trigger type Supports TTL, witch closure and software trigger
External Dimensions
Pl-lP Main Unit Camera Body 153mm (H) x 165mm (W) x 243mm (D)
(excluding protrusions) 6.02" (H) x 6.49" (W) x 9.56" (D)
64GB
1024 x 1024 @ 7,000fps
369ns
Gigabit Ethernet
12-bit
Yes
2.98 sec at 1024 x 1000 @ 7500fps
Global Electronic Shutter
20

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