Laser oscillator having a curved mirror with a through-hole

Details Laser oscillator having a curved mirror with a through-hole Laser oscillator having a curved mirror with a through-hole

1993-01-13

1994-05-31

Lee, John D.

Coherent light generators

Particular resonant cavity

Specified cavity component

372101, 372104, H01S 308

Patent

active

053175891

ABSTRACT:
A laser oscillator includes a housing which seals a laser medium gas from the atmosphere, concave mirrors (or a set of concave and convex mirrors) positioned in the housing and having the laser medium gas therebetween, an apertured mirror positioned between the concave mirror and the other concave or convex mirror on a line connecting the spherical centers of the mirrors at a predetermined angle relative to the line, and a window through which a laser beam reflected by the apertured mirror is output from the housing. The apertured mirror has a curved reflective surface, thereby simplifying the optical system in the housing and increasing the system's reliability.

REFERENCES:
patent: 3839684 (1974-10-01), Matsuoka et al.
patent: 3969685 (1976-07-01), Chenausky et al.
patent: 4239341 (1980-12-01), Cason, III et al.
patent: 4520486 (1985-05-01), Lavarini
patent: 4580270 (1986-04-01), Johnson et al.
patent: 5157684 (1992-10-01), Benda et al.
patent: 5173916 (1992-12-01), Benda
patent: 5185760 (1993-02-01), Du et al.

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