Optical element and optical device
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United States of America Patent
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Apr 3, 2018
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app pub date -
Jun 21, 2012
filing date -
Jun 21, 2012
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Abstract
Provided are an optical element and an optical device using the optical element to which a manufacturing process for manufacturing a wire-grid structure can be basically applied, and besides, in which a higher polarization contrast ratio than that of a wire-grid element can be obtained. A wobbled wire element in an embodiment has a feature that a periodic structure having a period equal to or larger than a wavelength of an incident light wave is formed in a y direction. In this manner, in a wobbled wire element in a first embodiment, a polarization contrast ratio can be significantly improved.
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