Projection device with wire grid polarizers

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface

Reexamination Certificate

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C359S638000, C359S490020

Reexamination Certificate

active

06873469

ABSTRACT:
An optical device for processing radiation that includes a beam splitter and a plurality of radiation processing parts arranged to process the characteristics of different radiation components separately, The polarizing beam splitter includes a wire grid polarizer, a first transparent plate arranged adjacent one side of the polarizer and a second transparent plate arranged adjacent the other side. Each of the first and second plates have substantially equal optical thickness profile.

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