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Camera brings Unseen World to Light

Polarized Camera
The portable polarization camera is about two centimeters in diameter and uses a metasurface with an array of subwavelength spaced nanopillars to direct light based on its polarization (Credit: Eliza Grinnell/Harvard SEAS)

Portable polarization-sensitive camera could be used in machine vision, autonomous vehicles, security, atmospheric chemistry and more. Researchers have developed a highly compact, portable camera that can image polarization in a single shot. The miniature camera – about the size of a thumb – could find a place in the vision systems of autonomous vehicles, onboard planes or satellites to study atmospheric chemistry, or be used to detect camouflaged objects.

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