Laser system

Details Laser system Laser system

1985-04-11

1987-12-22

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

Specified cavity component

372 92, 372 19, H01S 308

Patent

active

047150408

ABSTRACT:
The present invention relates to a laser system that has an optical resonator, a laser medium included in the optical resonator, a pumping device for exciting the laser medium, and a device for tuning the laser action. The tuning device includes an optically aberrated lens element located in the optical resonator. The profile of the laser beam is determined by the focal length of the central rays and abberation parameter of the abberated lens element.

REFERENCES:
Krupke et al, "Properties of an Unstable Confocal Resonator CO.sub.2 Laser System"; IEEE Jour. Quant. Elect., Dec. 1969.
Kortz et al; "Stability and Beam Divergence of Multimode Lasers with Internal Variable Lenses"; Appl. Opt., vol. 20, No. 23, 1 Dec. '81.
Smith; "Mode Selection in Lasers"; Proc. IEEE, vol. 60, No. 4, Apr. '72.
Li et al; "Mode Selection and Mode Vol. Enhancement in a Gas Laser with Internal Lens"; Proc. IEEE, vol. 53, p. 399, Apr. '65.

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