Optical switch

Details Optical switch Optical switch

1992-05-18

1994-06-07

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359320, 359288, 359245, G02B 2600, G02F 129, G02F 101

Patent

active

053194926

ABSTRACT:
An optical switch has a substrate and a transparent material in which a three-dimensional diffraction pattern is recorded which is capable of diffracting light, the material having non-linear optical properties and extending in the form of a first layer above the substrate. At least one first electrode and at least one second electrode are provided for varying the diffraction pattern in accordance with applied voltages.

REFERENCES:
patent: 3787111 (1974-01-01), Giordmaine et al.
patent: 4243300 (1981-01-01), Richards et al.
patent: 4389096 (1983-06-01), Hori et al.
J. Barry McManus et al.: "Switched holograms for . . . ", Applied Optics, vol. 27, No. 20, Oct. 15, 1988, p. 4244.
Joseph Zyss et al.: "Optical Parametric Interactions . . . ", IEEE Journal of Quantum Electronics, vol. Qe-21, No. 8, Aug. 1985, p. 1286.
Hilary L. Hampsch et al.: "Second harmonic generation . . . ", American Institute of Physics, J. Appl. Phys. 67(2), Jan. 15, 1990 p. 1037.
Hill et al. "Demonstration of the Linear Electro-Optic Effect in a Thermopoled Polymer Film," J. Appl. Phys. 64 (5), Sep. 1, 1988, pp. 2749-2751.

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