Grid polarizer with suppressed reflectivity
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United States of America Patent
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-
Sep 26, 2006
Grant Date -
Jul 1, 2004
app pub date -
Dec 11, 2003
filing date -
Dec 30, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a grid polarizer comprising a substrate; and a plurality of stacked metal and dielectric layers, having a width w, disposed on the substrate and forming a parallel grid of stacked layers. The stacked layers are spaced apart to form a repetition space between the stacked layers, such that no diffraction orders are allowed to propagate except the zero order. The grid polarizer that is capable of transmitting substantially all illumination of a given polarization while suppressing at least of portion of the illumination reflected due to an orthogonal polarization component.
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