Method and apparatus for improving the efficiency of an acousto-

Details Method and apparatus for improving the efficiency of an acousto- Method and apparatus for improving the efficiency of an acousto-

1982-01-25

1984-09-25

Corbin, John K.

G02F 133

Patent

active

044732759

ABSTRACT:
An acousto-optic deflector or modulator is shown which diffracts a beam of incident light from a zero order beam into a first order beam. Normally such diffraction deflects but 1% of the light energy within the incident beam. This deflection may be improved by successive transits of the light beam across the acoustic energy wave within the deflector.

REFERENCES:
patent: 3492063 (1970-01-01), Lee
patent: 3691477 (1972-09-01), Janney
patent: 3923380 (1975-12-01), Hattori et al.
patent: 3988055 (1976-10-01), McNaney
patent: 4390247 (1983-06-01), Freyre
patent: 4443066 (1984-04-01), Freyre

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