Optical modulator using a controllable diffraction grating

Details Optical modulator using a controllable diffraction grating Optical modulator using a controllable diffraction grating

1976-12-27

1978-09-19

Sikes, William L.

Oscillators

Molecular or particle resonant type

332 751, 350162R, 350355, H01S 310

Patent

active

041157478

ABSTRACT:
The combination of an electro-optic substrate the refractive index of which is changed by an electric field applied to the same and a pair of comb-shaped interdigital diffraction electrodes formed on the surface of said substrate provides an electrically controllable diffraction grating, which can be used as an optical modulator of a laser beam. An example of a substrate is lead-zirconate-titanate ceramic and the electrode can be composed of metal.

REFERENCES:
patent: 3611181 (1971-10-01), Lary et al.
patent: 3813142 (1974-05-01), Buhrer
patent: 3887885 (1975-06-01), Hattori et al.
patent: 3997690 (1976-12-01), Chen
Brannen et al., Far-Infrared Laser Action Using Compound Grating Fabry-Perot Resonators, IEEE J. Quant. Elect., QE-6, No. 2 (Feb. 1970) pp. 138-139.

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