Laser resonator

Details Laser resonator Laser resonator

1987-07-08

1989-02-07

Sikes, William L.

Coherent light generators

Particular resonant cavity

Specified cavity component

372 29, 372 33, 372101, 372103, H01S 313

Patent

active

048036943

ABSTRACT:
To generate a laser beam of significantly higher quality and high output power without damaging the output coupler (mirror), a novel stable optical laser resonator includes, in particular, a retro-reflector having an aspherical concave mirror for correcting intracavity wavefront aberrations induced when the laser beam travels through the lasing medium. The optimal surface constants of the geometry of the aspherical mirror are determined by an optical interferometry technique, an geometrical ray-tracing technique, and computer-aided ray tracing technique.

REFERENCES:
patent: 3532879 (1970-10-01), Braunstein et al.
patent: 3657510 (1972-04-01), Rothrock
patent: 3735278 (1973-05-01), Schafer et al.
patent: 4032861 (1977-06-01), Rothrock
patent: 4724404 (1988-02-01), Cochran
Decker et al; "Physical and Optical-Advanced Machine"; pp. 122-128.
Siegman; "Unstable Optical Resonators"; Applied Optics; vol. 13, No. 2, Feb. 1974; pp. 353-367.
Sarkies, P. H., "A Stable Yag Resonator Yielding a Beam of Very Low Divergence and High Output Energy", Optics Communications, vol. 31, No. 3, Nov. 1979.

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