Gas laser assembly which is capable of emitting stabilized frequ

Details Gas laser assembly which is capable of emitting stabilized frequ Gas laser assembly which is capable of emitting stabilized frequ

1980-09-02

1983-03-01

Sikes, William L.

Coherent light generators

Particular beam control device

Optical output stabilization

H01S 313

Patent

active

043756859

ABSTRACT:
The invention relates to a gas laser assembly which is capable of emitting stabilized frequency pulse radiation. Said arrangement includes a first continuous gas laser generator and a second pulse gas laser generator, an optical system (19, 56, 20) to inject the continuous beam (18) emitted by the first laser generator via the optical cavity (8-9) of the second laser generator and a servo control circuit (21,23,24,25) acting in synchronism on the length of the cavities (5-6,8-9) of the first and second lasers, so as to keep these lengths equal at a fixed value. Application to range finders operating by heterodyne detection.

REFERENCES:
patent: 3437955 (1969-04-01), Enloe et al.

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