Electro-optic modulator

Details Electro-optic modulator Electro-optic modulator

1974-04-12

1976-01-06

McGraw, Vincent P.

Optics: measuring and testing

Range or remote distance finding

With photodetection

350162R, 356112, G02F 132

Patent

active

039307182

ABSTRACT:
An electro-optic modulator used to modulate coherent light beams by the application of an electric potential. It combines a Fabry-Perot etalon and a diffraction grating in a single unit. An etalon is constructed with an electro-optic material between reflecting surfaces. A voltage applied between alternate, spaced-apart electrodes of a metal grid attached to one reflecting surface induces a diffraction grating in the electro optic material. Light entering the etalon is diffracted, reflected and efficiently coupled out.

REFERENCES:
patent: 3282148 (1966-11-01), Yamada
patent: 3498693 (1970-03-01), Fein et al.
patent: 3626511 (1971-12-01), Hammer
patent: 3787111 (1974-01-01), Giordmaine et al.
patent: 3813142 (1974-05-01), Buhrer
Analysis...Acoutstic Surface Waves on One Mirror; Hunsinger Applied Optics; ol. 10, No. 2; Feb. 71; pp. 390-395.

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