Coherent light generators – Particular pumping means
Patent
1990-11-06
1991-09-17
Scott, Jr., Leon
Coherent light generators
Particular pumping means
372 64, 372 92, H01S 309
Patent
active
050501810
ABSTRACT:
To provide more economical excitation of the laser gas in a waveguide laser comprising a resonator having a resonator axis, an optical waveguide extending with a waveguide longitudinal direction essentially in the direction of the resonator axis and a gas-discharge volume located between the optical waveguide surfaces and containing a laser gas, it is proposed that a microwave source be provided, that an overcoupling structure separate from the laser gas in the gas-discharge volume be arranged on a side of one of the optical waveguide surfaces opposite the gas-discharge volume, the overcoupling structure being connected via a waveguide to a microwave source, extending in an overcoupling direction parallel to the optical waveguide surface and bringing about in a strip region in the gas-discharge volume along the overcoupling direction a substantially constant coupling-in of the microwave power.
REFERENCES:
patent: 4004249 (1977-01-01), Kikuchi
patent: 4513424 (1985-04-01), Waynant et al.
patent: 4930138 (1990-05-01), Opower
patent: 4939738 (1990-07-01), Opower
patent: 4955035 (1990-09-01), Gekat
K. G. Handy et al., "Laser Generation by Pulsed 2.45-GHz Microwave Excitation of CO.sub.2 ", Journal of Applied Physics, 49(7), Jul., 1978, pp. 3753 to 3756.
Deutsche Forschungsanstalt fur Luft- und Raumfahri e.V.
Jr. Leon Scott
Lipsitz Barry R.
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