Cathode-block construction for long life lasers

Details Cathode-block construction for long life lasers Cathode-block construction for long life lasers

1985-08-09

1987-06-09

Wan, Gene

Coherent light generators

Particular pumping means

Electrical

356350, H01S 3097, G01C 1964

Patent

active

046726241

ABSTRACT:
A gas discharge device includes a block having one or more gas filled cavities or passageways along which the laser beams may propagate. Coupled to one of these passageways is an exit port which is coupled to a cathode mounted on an outer surface of the block. The exit port is formed so that the cross-section of the exit port decreases with distance from the outer surface of the block.

REFERENCES:
patent: Re27282 (1972-02-01), Kolb
patent: 3390606 (1968-07-01), Podgorski
patent: 3614642 (1971-10-01), Hochull et al.
patent: 4007431 (1977-02-01), Abbink et al.
patent: 4473297 (1984-09-01), Simpson et al.
New Hollow Cathode Glow Discharge, by A. D. White, Journal of Applied Physics, vol. 30, No. 5, May, 1959.
Cold Cathodes for Possible Use in 6328 Single Mode He-Ne Gas Lasers, A Review of Scientific Instruments, vol. 36, No. 10, Oct. 1965.

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