Room temperature metal vapor laser

Details Room temperature metal vapor laser Room temperature metal vapor laser

1987-01-13

1988-09-13

Davie, James W.

Coherent light generators

Particular active media

Gas

372 58, 372 61, 372 88, H01S 303

Patent

active

047714352

ABSTRACT:
A metal vapor laser which has an optical cavity, and a sputtering cell arranged at one end. The sputtering cell has a sputtering surface for sputtering metal deposited on the surface or from which the surface is formed. A gas stream is introduced into the cavity for entraining the sputtered metal into a metal vapor beam and the gas stream is introduced such that the gas stream flows substantially parallel to at least a part of the sputtering surface to ensure that the passage for introducing the gas is aligned correctly relative to the sputtering surface, there is provided an insulative ring formed in two portions defining the passage therebetween and the first portion of the ring is moveable with respect to the second portion thereof to align a passage. Two sources of gas are provided for forming the gas stream and are selectively switched so that each source of gas can be selectively coupled to the cavity for forming a gas stream of a particular variety of gas.

REFERENCES:
patent: 4639928 (1987-01-01), Wang et al.
patent: 4641313 (1987-02-01), Tobin et al.
patent: 4706257 (1987-11-01), Brunet et al.

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