Spectral light division and recombination configuration as...

Details Spectral light division and recombination configuration as... Spectral light division and recombination configuration as...

2002-01-29

2008-08-19

Dowling, William C. (Department: 2851)

Optics: image projectors

Composite projected image

Multicolor picture

C349S005000, C359S634000

Reexamination Certificate

active

07413310

ABSTRACT:
A system and method for separating and combining three spectrums of light has a polarizing beamsplitter, an input retarder or polarizer located adjacent a first side of the polarizing beamsplitter, a spacer that can also be a splitter located adjacent a second side of the polarizing beamsplitter and a dichroic beamsplitter located adjacent a third side of the polarizing beamsplitter.

REFERENCES:
patent: 6183091 (2001-02-01), Johnson et al.
patent: 6309071 (2001-10-01), Huang et al.
patent: 6384972 (2002-05-01), Chuang
patent: 6419362 (2002-07-01), Ikeda et al.
patent: 6454416 (2002-09-01), Aoto et al.
patent: 6490087 (2002-12-01), Fulkerson et al.
patent: 6545804 (2003-04-01), Chuang

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