Laser and its method of operation

Details Laser and its method of operation Laser and its method of operation

1976-06-02

1978-09-12

Edlow, Martin H.

Oscillators

Molecular or particle resonant type

331 945P, 331 945PE, H01S 300

Patent

active

041141130

ABSTRACT:
This invention relates to transversely-excited gas lasers, in which the gas may be at atmospheric or greater pressure and in which the gas is excited by means of a distributed electric discharge between two electrodes. The electrodes, which are preferably elongate, are such that an initial trigger discharge occurs between minor trigger portions of the electrodes which conditions the discharge gap between the electrodes resulting in a distributed, preferably glow-type discharge, between the major portions of the electrodes causing lasing action in the gas. The trigger discharge preferably generates electro-magnetic radiation of high intensity to cause volume photo-ionization of the gas. The electrodes may be composite in form, each having a trigger electrode and a main discharge electrode that are directly electrically connected to each other.

REFERENCES:
patent: 3696307 (1972-10-01), Beaulieu
patent: 3876958 (1975-04-01), Parker
patent: 3886479 (1975-05-01), Pearson
patent: 3986139 (1976-10-01), Meneely
Willet, Introd. to Gas Lasers:Population Inversion Mechanisms, Pergamon Press, N.Y., 1964.
Hasson et al., Appl. Phys. Letters, vol. 25, No. 11, 1 Dec. 1974.
Bergmann et al., Appl. Phys. Letters, vol. 27, No. 10, 15 Nov. 1975.

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