Variable grating diffractive light modulator

Details Variable grating diffractive light modulator Variable grating diffractive light modulator

2006-11-07

2006-11-07

Wise, A. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000, C359S292000

Reexamination Certificate

active

07133184

ABSTRACT:
Disclosed herein is a variable grating diffractive light modulator, which actuates lower reflecting plates of a lower reflecting array by a piezoelectric actuating method, and includes an upper reflecting array that is spaced apart from the lower reflecting array and attached to a lower surface of a substrate that is made of a light transmissive material and covers the lower reflecting array, so that the light modulator reflects incident light transmitted through the substrate and thereby produces diffractive light.

REFERENCES:
patent: 5311360 (1994-05-01), Bloom et al.
patent: 5949570 (1999-09-01), Shiono et al.
patent: 6356340 (2002-03-01), Spence
patent: 2000-7014798 (2000-12-01), None

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