Point and shoot: the polarization camera is about two centimetres in diameter and uses a metasurface with an array of nanopillars. (Courtesy: Eliza Grinnell/Harvard SEAS) A compact and simple camera ...
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, hence is becoming an ever more essential technique in modern society. Conventional polarimetric ...
Polarization of light can reveal otherwise invisible information about natural materials and the condition of man-made structures, but the cameras used to detect it are often bulky, expensive, and ...
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