Cold electrode metal vapor laser
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United States of America Patent
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-
Jul 31, 1990
Grant Date -
N/A
app pub date -
Oct 19, 1987
filing date -
Feb 18, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metal vapor laser intended to be excited by an electrical discharge pulsed through a metal vapor, consisting of a tubular chamber terminated at each end by a terminating flange, the terminating flange (1) having formed integrally with it a cold cathode structure having associated with it a multiplicity of electron generating devices (10, 11, 12) for non-thermionic generation of electrons. The electron generating devices (10, 11, 12) consist preferably of a series of annular grooves (10) formed in the surface of a bore of the terminating flange (1) and a circular groove or grooves (11) coaxial with the axis of the laser and cut in to a face of the terminating flange (1) facing directly into the discharge volume (8). Additionally, to increase carrying capability and facility for easily striking the discharge there is provide a ring of refractory metal pins (12) fixed into that surface of the terminating flange (1).
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