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,

1995-06-20

1999-07-06

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359247, 359254, 359263, 359290, 359291, 359295, G02F 113

Patent

active

059204184

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.

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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.
Search Report for European Appl. 95109622.1, mailed Oct. 13, 1995.
Brinker et al, SPIE, vol. 1018 Electro-Optic and Magneto-Optic Materials (1988), "Deformation Behavior of Thin Viscoelastic . . .".
Solgaard et al, Optics Letters, vol. 17, No. 9, pp. 688-690, 1992, "Deformable Grating Optical Modulator".

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