Polarizer and optical device using the polarizer

Details Polarizer and optical device using the polarizer Polarizer and optical device using the polarizer

2006-08-01

2006-08-01

Lavarias, Arnel C. (Department: 2872)

Optical: systems and elements

Polarization without modulation

Polarization variation over surface of the medium

C359S569000, C353S020000

Reexamination Certificate

active

07085051

ABSTRACT:
A polarizer for converting incident light beam into a linear polarization light beam has a base plate of a material of low linear expansion coefficient, high thermal conductivity or low photoelastic constant, a birefringent portion formed by arranging minute metal concave thread on a surface of light-emission side of the base plate in stripe, and a protection plate covering the birefringent portion and made of the same material as the base plate, the base plate and the protection plate being bonded by an elastic adhesive on the periphery thereof so that the birefringent portion is sealed and enclosed by the protection plate and the elastic adhesive.

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