Coherent light generators – Particular pumping means – Electrical
Patent
1977-12-27
1984-05-15
Davie, James W.
Coherent light generators
Particular pumping means
Electrical
31323161, 372 86, 372 87, H01S 3097
Patent
active
044492200
ABSTRACT:
An improved electrode configuration and method for the deposition of electrical energy into an electric discharge laser having a gas path transversely disposed to an optical axis and the electric field is disclosed. The electrode configuration includes a cathode, having a row of preionization electrodes with each preionization electrode typically having the configuration of a pin and power electrodes positioned downstream of and in a parallel relationship to the row of preionization electrodes wherein the power electrodes typically have a configuration of a rod, and a planar anode disposed opposite the cathode in a parallel relationship thereto, wherein the cathode and the anode define the gas path therebetween. The electrode configuration is adapted for operation without ballast resistance in the electrical circuit of the power electrodes for high electrical power deposition with high efficiency into a gas having a high pressure and a high flow rate for convective cooling to obtain a laser beam having high power. The electrode configuration provides a discharge having substantially diffuse and uniform characteristics within the discharge region.
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O. Judd et al., "Investigations of a UV Preionized Electrical Discharge and CO.sub.2 Laser", IEEE Journal of Quantum Electronics, vol. QE-10, No. 1, Jan. 1974, pp. 12-20.
S. A. Wutzke et al., "CW Pin Discharge Laser", Westinghouse Research Laboratories Report, Final Technical Report, Nov. 30, 1974.
K. A. Laurie et al., "A Pin-Electrode Atmospheric-Pressure CO.sub.2 Laser", IEEE Journal of Quantum Electronics, QE-7, Dec. 1971, pp. 530-531.
Brown Clyde O.
Bullis Robert H.
Chenausky Peter P.
Manning, deceased Ernest B.
Chiantera Dominic J.
Davie James W.
United Technologies Corporation
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