Polarizer apparatus for producing a generally polarized beam of light

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United States Patent

6108131

Link to this page

http://www.wikipatents.com/6108131.html

Inventor(s)

Hansen; Douglas P. (Orem, UT), Gunther; John (Torrance, CA)

Abstract

A polarizing device has an arrangement of generally parallel elements disposed in an unpolarized source light beam for transmitting polarizations perpendicular to the elements and reflecting polarizations parallel to the elements. The elements may be disposed at substantially any incidence angle and may reflect the reflected beam at substantially any angle. The elements may be disposed on a substrate or embedded in a substrate. The elements may be disposed in a curved layer. The substrate may also have a curved surface. A polarizer apparatus may also have a mirror or the like for redirecting or recapturing the transmitted or reflected beam so they have similar directions or are directed to a common area. The device may also have a wave plate or the like for changing the polarization of the transmitted or reflected beams so they have the same polarization.

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