Thin-film coated waveguide laser

Details Thin-film coated waveguide laser Thin-film coated waveguide laser

1986-03-07

1989-10-17

LaRoche, Eugene R.

Coherent light generators

Particular active media

Gas

372 82, 372 83, 372 87, H01S 303, H01S 3097

Patent

active

048752185

ABSTRACT:
A radio frequency (RF) excited waveguide gas laser has a hollow waveguide defined by dielectric or lossy materials and metal electrodes coated by thin films with small absorptions so that the metal electrodes are separated from the filling gas and the waveguide loss is very low. With such thin films on the electrodes, a sealed-off, high-power, compact waveguide gas laser having an extended life is realized.

REFERENCES:
patent: 3566316 (1971-02-01), Sawads et al.
patent: 4169251 (1979-09-01), Laakmann
patent: 4352188 (1982-09-01), Griffith
Miyagi et al., "Transmission Characteristics of Dielectric-Coated Metallic Waveguide for Infrared Transmission: Slab Waveguide Model", IEEE Journal of Quantum Electronics, vol. QE19, No. 2, Feb. 1983, pp. 137-145.
Abrams et al., "Characteristics of Sealed-Off Waveguide CO.sub.2 Lasers", IEE J. of Quantum Electronics, vol. QE-9, No. 9, Sep. 1973, pp. 940-945.
Smith et al., "Waveguide TEA Laser", Applied Physics Letters, vol. 23, No. 9, Nov. 1, 1973, pp. 524-526.

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