Grid polarizing element and apparatus for emitting polarized UV light
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United States of America Patent
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May 31, 2016
Grant Date -
Jul 2, 2015
app pub date -
Dec 22, 2014
filing date -
Dec 26, 2013
priority date (Note) -
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Abstract
A non-reflection type grid polarizing element can stably provide a desired polarizing effect even when the grid polarizing element is used under conditions such as in an oxidizing environment (e.g., when the polarizing element is used to polarize the ultraviolet light). The grid polarizing element is easy to fabricate. The grid polarizing element selectively transmits particular polarized light among incident light through the polarizing element to polarize the incident light. The grid polarizing element includes a transparent substrate and a grid disposed on the transparent substrate. The grid has a plurality of linear portions arranged like a stripe. Each of the linear portions has a dominant layer made from titanium nitride or titanium oxynitride. The linear portions contain no simple metal layers.
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