Gain medium for radiant energy source

Details Gain medium for radiant energy source Gain medium for radiant energy source

1989-09-01

1990-07-31

Sikes, William L.

Coherent light generators

Particular active media

Gas

372 59, H01S 322, H01S 3223

Patent

active

049455435

ABSTRACT:
A carbon dioxide (CO.sub.2) waveguide laser is used to provide coherent infrared radiation. The mixture of gases in the laser includes helium, nitrogen, carbon dioxide, carbon monoxide, xenon and heavy hydrogen (deuterium). Carbon dioxide is the gain medium of the laser. During operation of the laser, a significant fraction of the CO.sub.2 dissociates to CO and O.sub.2. In the present invention, deuterium (D.sub.2) in the presence of excess CO catalyzes the recombination of CO and O.sub.2 back to CO.sub.2, thus yielding significantly increased power output from the laser. The presence of D.sub.2 also sustains a long sealed life from the CO.sub.2 laser at an enhanced power output level.

REFERENCES:
patent: 3704428 (1972-11-01), Barry et al.
patent: 3810043 (1974-05-01), Locke et al.
patent: 4085385 (1978-04-01), Fein et al.
patent: 4194170 (1980-03-01), Kurnit
patent: 4316157 (1982-02-01), Dosi et al.
patent: 4612642 (1986-09-01), Whitney et al.

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