Deflection cell for power laser beams

Details Deflection cell for power laser beams Deflection cell for power laser beams

1990-03-14

1991-09-03

Gonzalez, Frank

Optical: systems and elements

Optical frequency converter

Raman type

372 3, 372 21, 372 99, 372108, H01S 3108

Patent

active

050457195

ABSTRACT:
This invention relates to deflection cells for laser beams. A deflection cell according to the present invention essentially comprises a deflector such as of the "acoustooptical" type, to deflect a low-power incident laser beam, and a system to make that deflected low-power incident beam, in a nonlinear Brillouin diffusion medium 11 like a gas such as methane (CH.sub.4), xenon, sulfur hexafluoride (SF.sub.6), or a liquid such as carbon disulfide (CS.sub.2), acetone, work with a high-power laser pump beam, forming a nonzero angle ".theta." with the deflected beam. Application, in particular, to telemetry and missile guidance for which the laser beam used as reference should be able to undergo orientation changes which are quick and in a large angular field.

REFERENCES:
patent: 3515897 (1970-07-01), Culver
patent: 3624421 (1971-11-01), Pontell et al.
patent: 4280109 (1981-07-01), Stappaerts
patent: 4599725 (1986-07-01), George
patent: 4829528 (1989-05-01), Band et al.

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