SIMPLIFIED GEOMETRY FOR FABRICATION OF POLARIZATION-BASED ELEMENTS
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United States of America
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May 5, 2022
app pub date -
Nov 4, 2020
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Nov 4, 2020
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Abstract
Disclosed are various methods for creating optical elements through holographic fabrication. One method includes positioning a reflector in an optical path, disposing a first substrate proximal to the reflector along the optical path, disposing a first photosensitive film on the side of the first substrate facing the reflector, transmitting a light beam at a first polarization from a light source along the optical path, reflecting the light beam off the reflector, wherein the reflected light beam has a second polarization, receiving the reflected light beam through the first film and the first substrate, and applying a liquid crystal layer to the first photosensitive film to reproduce the alignment pattern of the first film on the liquid crystal layer.
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