Prism, projection and optical component

Details Prism, projection and optical component Prism, projection and optical component

2006-10-31

2006-10-31

Lavarias, Arnel C. (Department: 2872)

Optical: systems and elements

Polarization without modulation

Polarization variation over surface of the medium

C359S566000, C353S020000, C349S009000

Reexamination Certificate

active

07130120

ABSTRACT:
An apparatus for transmitting or reflecting incident light. The apparatus includes a pair of diffraction grid substrates; a substantially grid-shaped diffraction grid formed of metal, wherein the diffraction grid is disposed between the substrates; and a pair of adhesive layers, each adhesive layer coupled to each substrate. The apparatus also includes a pair of block members, wherein each block member is coupled to each adhesive layer. The block member is configured with a plurality of substantially equally-shaped flat plate members alternately layered with adhesive layers for optically coupling the block member with substantially reduced optical distortion than when configured with a single transparent component. The block member includes a surface to output the light transmitted or reflected from the diffraction grid and passing through the flat plate members.

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