Limited diffraction feedback laser system

Details Limited diffraction feedback laser system Limited diffraction feedback laser system

1985-10-28

1988-08-23

Moskowitz, Nelson

Amplifiers

Parametric amplifiers

Semiconductor type

372 95, 372 99, 356152, H01S 308, G01B 1126

Patent

active

047663936

ABSTRACT:
A low diffraction-feedback high-energy laser system includes an injection laser, a master oscillator power amplifier (MOPA), and means for aligning the injection laser to the MOPA. The alignment means includes a relay mirror and sensor array cooperative to center the injection laser externally of the cavity, and the alignment means further includes a relay mirror and cooperative optics and sensor to center the injection laser interiorly of the cavity. The master oscillator power amplifier preferably includes a convex and a concave cavity. reflector. In one embodiment, an intracavity laser separator is disclosed for providing alignment of the injection laser, and in a further embodiment an extracavity laser separator is disclosed for providing injection laser alignment.

REFERENCES:
patent: 3969685 (1976-07-01), Chenausky et al.
patent: 4144505 (1979-03-01), Angelback et al.
patent: 4146329 (1979-03-01), King et al.
patent: 4151487 (1979-04-01), Chi
patent: 4170405 (1979-10-01), Sziklas
patent: 4249140 (1981-02-01), Frieberg
patent: 4319839 (1982-03-01), Durran
patent: 4326800 (1982-04-01), Fitts
patent: 4446559 (1984-05-01), von Bieren
patent: 4580270 (1986-04-01), Johnson et al.

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