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Teledyne DALSA's New Polarization Camera Features Advanced CMOS Image Sensor

Teledyne DALSA, a Teledyne Technologies company and global leader in machine vision, announced production of the new Polarization camera to its industry-leading Piranha™ family. First announced in Q2 2017, the Piranha4 Polarization camera is now in full production with improved performance. Polarization imaging significantly enhances detection capability in many demanding applications and represents a powerful new addition to system designers’ machine vision toolboxes.

Polarization imaging (a) reveals stress in objects where conventional imaging cannot (b). (Credit: Teledyne DALSA)

The Piranha4-2k Polarization camera uses Teledyne DALSA’s advanced quadlinear CMOS image sensor with nanowire micro-polarizer filters. It captures multiple native polarization state data without any interpolation. With a maximum line rate of 70 kHz, the camera outputs independent images of 0°(s), 90° (p), and 135° polarization states as well as an unfiltered channel.

“Polarization brings vision technology to the next level for many industrial applications.  It detects material properties such as birefringence, stress, film, composition, and grading etc. that are not detectable using conventional imaging” said Xing-Fei He, Senior Product Manager.  The Piranha4 Polarization camera recieved a Platinum Award and the highest level of achievement in Vision Systems Design’s Innovators Awards 2017.

Key features:

  • Built on Teledyne DALSA’s advanced CMOS sensors
  • Tri-Polarization states plus an unfiltered channel
  • 70 kHz max line rate
  • 8, 10, or 12 bit depth selectable

If used with Teledyne DALSA’s frame grabbers, customers will have the advantage of the field-proven built-in Trigger to Image Reliability (T2IR) framework, which safeguards every bit in the camera’s full throughput.


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