Opto-optical light deflector/modulator

Details Opto-optical light deflector/modulator Opto-optical light deflector/modulator

1982-05-28

1985-09-10

Corbin, John K.

35016211, 35016217, 35016220, G02B 5172, G02B 518

Patent

active

045402442

ABSTRACT:
An opto-optical light deflector/modulator has means for providing first and second coherent wave fronts of wavelength (.lambda..sub.0) to travel in a transparent optical active medium to produce an optically generated standing wave that induces a periodic refractive index variation in the medium suitable for diffraction purposes. The device also includes means for providing a third wavefront (.lambda..sub.1) to travel in said medium which is diffracted by the periodic refractive index variation induced by the first and second wavefronts.

REFERENCES:
patent: 3790252 (1974-02-01), Pao
patent: 4508431 (1985-05-01), Hershaw
Siegman, "Proposed Picosecond Excited-State Measurement Method Using a Tunable-Laser-Induced Grating", Applied Physics Letters, vol. 30, No. 1, Jan. 1977, pp. 21 to 23.

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