Wire grid polarizer
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United States of America Patent
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Sep 7, 2004
Grant Date -
Apr 15, 2004
app pub date -
Aug 6, 2003
filing date -
Oct 15, 2002
priority date (Note) -
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Abstract
A wire grid polarizer (300) for polarizing an incident light beam (130) comprises a substrate having a first surface. A grid or array of parallel, elongated, composite wires (310) is disposed on the first surface (307), and each of the adjacent wires are spaced apart on a grid period less than a wavelength of incident light. Each of the wires comprises an intra-wire substructure (315) of alternating elongated metal (330a-i) wires and elongated dielectric layers (350a-i).
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