Optical deflector device

Details Optical deflector device Optical deflector device

1995-11-07

1998-11-03

Sikes, William L.

Liquid crystal cells, elements and systems

Liquid crystal optical element

Liquid crystal diffraction element

349202, G02F 113

Patent

active

058317112

ABSTRACT:
An optical deflector device includes a VGM cell including a film of a nematic liquid crystal material which generates a distribution of spatial frequencies when subjected to an electric field. A film thickness setting unit sets a thickness distribution of the film in the VGM cell in accordance with a film thickness distribution defined by a predetermined function.

REFERENCES:
patent: 3758195 (1973-09-01), Hedman, Jr. et al.
patent: 3813145 (1974-05-01), Hedman, Jr. et al.
patent: 4729641 (1988-03-01), Matsuoka et al.
patent: 4937539 (1990-06-01), Grinberg et al.

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