Polarization optical device and manufacturing method therefor
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United States of America Patent
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Issued Date -
Sep 9, 2004
app pub date -
Mar 4, 2004
filing date -
Mar 5, 2003
priority date (Note) -
Abandoned
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Abstract
A polarization optical device is disclosed that includes: an inorganic dielectric substrate transparent with respect to incident light having a flat surface; and an array of strips of conductive elements embedded from the flat surface of the inorganic dielectric substrate to a uniform depth, with an equal width, and with an equal separation in a pitch shorter than the wavelength of the incident light in a manner such that the surfaces of the strips of conductive elements are flush with the surface of the substrate.
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