Gasdynamic CO laser

Details Gasdynamic CO laser Gasdynamic CO laser

1991-08-30

1993-04-27

Davie, James W.

Coherent light generators

Particular pumping means

Gas dynamic

372 55, 372 83, 372 87, H01S 309

Patent

active

052068765

ABSTRACT:
In order to improve a gasdynamic CO laser comprising a gas supply means supplying a laser gas, an excitation region, in which the laser gas is excited, a supersonic nozzle arranged downstream of the excitation region and having the laser gas flowing therethrough and a laser-active region which is penetrated by a resonator beam path, such that it is possible to excite the laser gas in a more optimum manner, it is suggested that the laser gas be excited in the excitation region by means of a high-frequency discharge in a high-frequency discharge region and that the high-frequency discharge region end in front of the supersonic nozzle.

REFERENCES:
patent: Re29103 (1977-01-01), Wilson et al.
Krause and Maisenhalder, "Gasdynamic CO Laser with Closed-Cycle Gas Flow," Applied Physics 22, pp. 421-427, 1980.
Brunet and Mabru, "Improved Performance of an Electric-Discharge N.sub.2 -CO Mixing Laser," Journal of Applied Physics, vol. 46, No.7, pp. 3683-3684, Jul. 1975.
Brunet and Mabru, "Electrical CO-Mixing Gas-Dynamic Laser," Applied Physics Letters, vol. 21, No. 9, pp. 432-433, Nov. 1972.
Vallach, et al., "Transverse Excitation Pulsed Laser in Gas-Dynamically Cooled Mixtures," Applied Physics Letters, vol. 20, No. 10, pp. 395-397, May 15, 1972.
Hugel, "High-Power Gas Lasers," Laser and Optoelectronic, No. 1, pp. 21-27, 1985.
Schall, et al., "CW Carbon Monoxide Laser with Microwave Excitation in the Supersonic Flow," Journal de Physique, Colloque C9, Supplement au No. 11, Tome 41, pp. C9-217-223, Nov. 1980.

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