Diffractive optical modulator and method for producing the same,

Details Diffractive optical modulator and method for producing the same, Diffractive optical modulator and method for producing the same,

1997-05-01

1999-09-07

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359247, 359572, G02B 2600

Patent

active

059495707

ABSTRACT:
The diffractive optical modulator of the invention includes: a plate having a portion functioning as a first electrode; a spacer layer formed on the plate; and a grating consisting of a plurality of beams having a portion functioning as a second electrode, both ends of the beams being supported on the spacer layer. In the diffractive optical modulator, by adjusting a voltage applied between the first electrode and the second electrode, a distance between the beams and the plate is varied, thereby controlling the diffraction efficiency. An insulating layer is further provided between the plate and the plurality of beams.

REFERENCES:
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patent: 5231432 (1993-07-01), Glenn
patent: 5237435 (1993-08-01), Kurematsu et al.
patent: 5311360 (1994-05-01), Bloom et al.
Brinker et al. "Electro-Optic and Magneto-Optic Materials" SPIE vol. 1018, pp. 79-85, Sep. 1988.
Solgaard et al., "Deformable Grating Optical Modulator" Optics Letters, vol. 17, No. 9, pp. 688-690, May 1, 1992.
Search Report dated Oct. 13, 1995 for European Patent Application No. 95109622.1.

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