Polychromatic acousto-optical deflector

Details Polychromatic acousto-optical deflector Polychromatic acousto-optical deflector

1987-04-21

1989-01-17

LaRoche, Eugene R.

350174, G02F 111, G02F 133, G02B 2714

Patent

active

047984490

ABSTRACT:
An incident beam (5) composed by a plurality of rays passes through a crystal (1') in which the rays of given wavelengths (.lambda.1, .lambda.2, .lambda.3) are modulated and deflected to be recieved by respective mirrors including a most distant mirror which is furthest from the crystal (1') and is a conventional optical mirror reflecting along an optical axis (42), while the intermediate mirrors (40, 41) are holographic mirrors which reflect the other rays (.lambda.2, .lambda.1) collinearly along the same optical axis (42).

REFERENCES:
patent: 2909097 (1959-10-01), Alden et al.
patent: 3624272 (1971-11-01), Favreau
patent: 4141625 (1979-02-01), Pickar et al.
patent: 4371964 (1983-02-01), Podmaniczky et al.

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