Gas laser

Details Gas laser Gas laser

1985-03-06

1989-04-11

Sikes, William L.

Coherent light generators

Particular active media

Gas

372 62, 372 66, 372 67, 372 76, 372 87, 372 34, H01S 303

Patent

active

048212792

ABSTRACT:
In a gas ion laser of the type having a serial array of coaxially aligned axially spaced floating electrodes contained within an evacuable dielectric envelope for exciting a d.c. plasma laser pumping discharge, the electrodes and gas fill are cooled by a plurality of axially directed coolant tubes within the gas-filled envelope. The electrodes have a spherically shaped funnel portion immediately surrounding the laser beam and plasma discharge path for focusing secondary electrons back into the beam path for increasing conversion efficiency. The spherically shaped surfaces are electroplated with a tungsten-cobalt alloy to decrease sputter erosion.

REFERENCES:
patent: 4378600 (1983-03-01), Hobart

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