ULTRA-WIDE ANGLE BROADBAND POLARIZATION IMAGING SYSTEM BASED ON METASURFACE, AND DETECTION APPARATUS
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United States of America
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Feb 6, 2025
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Nov 16, 2022
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Nov 16, 2022
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Abstract
An ultra-wide angle broadband polarization imaging system based on a metasurface, and a detection apparatus, the imaging system comprising a first lens (L1) having negative optical power, a linear polarizer (P1), a quarter wave plate (P2), a diaphragm (STO), a second lens (L2) having positive optical power, a third lens (L3) having positive optical power, and the metasurface (M), wherein an object side surface and an image side surface of the lens are planar or spherical; and the phase distribution required for the system in a broadband spectrum band is achieved by setting different rotation angles θ of a unit structure of the metasurface.
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