Coherent light generators – Particular active media – Gas
Patent
1993-05-28
1995-01-03
Lee, John D.
Coherent light generators
Particular active media
Gas
372 82, H01S 3032
Patent
active
053793170
ABSTRACT:
An all metal, microwave-pumped, waveguide CO.sub.2 laser includes a waveguide providing a vacuum envelope containing the CO.sub.2 gas having a longitudinal ridge extending at least partially across the width of the waveguide and extending along a length of the waveguide and a ceiling facing the ridge. The ridge and ceiling have horizontal surfaces facing one another which together function as an optical waveguide of the laser and define a longitudinal optically active region therebetween which, in the preferred embodiment, opens out into remaining portions of the waveguide along either side of said ridge. A pair of reflecting mirrors are located at each end of said optically active region and an antenna or ramped waveguide couples a microwave source into the waveguide.
REFERENCES:
patent: 4780881 (1988-10-01), Zhang et al.
patent: 4955035 (1990-09-01), Gekat
patent: 5043995 (1991-08-01), Lackner
patent: 5224117 (1993-06-01), Kruger et al.
patent: 5255282 (1993-10-01), Remo
Bridges William B.
Zhang Yongfang
California Institute of Technology
Keller Michael L.
Lee John D.
Wallace Robert M.
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