Patent
1984-04-12
1987-01-20
Punter, William H.
G02F 133
Patent
active
046376887
ABSTRACT:
An acousto-optic diffraction and signal mixing device. A laser light beam is expanded and shaped into a sheet beam which is directed across the surface of an acousto-optic medium. Four acoustic transducers are disposed on the acousto-optic medium, two at each end of the medium. Each acoustic transducer is supplied with a signal to be propagated on the surface of the acousto-optic medium. The first two signals diffract the sheet beam to produce a first product diffracted beam of light containing the product of the first two signals. The second two signals diffract the sheet beam to produce a second product diffracted beam of light containing the product of the second two signals.
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Berg et al., "A New Single AO Element Two-Dimensional Signal Processor", er presented at the IEEE Ultrasonics Symposium, Atlanta, Georgia, 11-2-83.
Abramovitz Irwin J.
Berg Norman J.
Casseday Michael W.
Elbaum Saul
Lane Anthony T.
Lupuloff Harry
Punter William H.
The United States of America as represented by the Secretary of
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