Spatial light modulation device

Details Spatial light modulation device Spatial light modulation device

1994-01-31

1995-11-14

Dzierzynski, Paul M.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359 67, 359 71, 359 72, 359584, G02F 103, G02F 11335, G02F 1135

Patent

active

054672163

ABSTRACT:
A spatial light modulation device of the type, in which information is written to a photoconductor by a light writing portion and read light impinging on a light modulator is reflected by a reflection portion. This spatial light modulation device is provided with a dielectric mirror mounted on a reflection surface of the photoconductor, which surface is opposed to the other surface on which write light is incident. The reflection surface of the photoconductor reflects lights having wavelengths near a wavelength at which the photoconductor has a maximum sensitivity. Thereby, the spatial light modulation device can have a high sensitivity.

REFERENCES:
patent: 4309075 (1982-01-01), Apfel
patent: 5084777 (1992-01-01), Slobodin
patent: 5272554 (1993-12-01), Ji et al.
"Full-Color Single-Projection-Lens Liquid-Crystal Light-Valve Projector" by Arno G. Ledebuhr; SID 86 Digest; 1986; pp. 379-382.

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