Gas laser apparatus

Details Gas laser apparatus Gas laser apparatus

1990-05-04

1991-11-19

Gonzalez, Frank

Coherent light generators

Particular pumping means

Electrical

372 86, 372 87, H01S 30971

Patent

active

050671359

ABSTRACT:
A discharge device, especially for a gas laser, has a discharge chamber through which a gas flows at high velocity and the gas discharge burns as a steady-field discharge between an anode and a cathode lying opposite the anode as the main electrodes extending transversely of the gas flow. To obtain a high ionization rate with a low alternating-current power consumption, while at the same time pre-ionizing the entire volume of incoming gas present between the cathode and anode, at least two pre-ionizing electrodes are present, one of which is in front of the cathode and the other in front of the anode in the direction of flow, and the pre-ionizing electrodes are out of phase with one another.

REFERENCES:
patent: 3914648 (1975-10-01), Friedman et al.
patent: 4088965 (1978-05-01), Lauderslager et al.
patent: 4126833 (1978-11-01), Hundstad et al.
patent: 4345331 (1982-08-01), Hoag
patent: 4613971 (1986-09-01), Brumme et al.
patent: 4922504 (1990-05-01), Teva

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