Toroidal cathode

Details Toroidal cathode Toroidal cathode

1991-06-07

1993-04-06

Scott, Jr., Leon

Coherent light generators

Particular pumping means

Electrical

372 94, 372 55, 356350, H01S 3097

Patent

active

052009734

ABSTRACT:
A cathode for use in a gas discharge device that is resistant to sputtering and therefore extends the life of the gas discharge device. The configuration of the cathode effectively uses the hollow cathode effect allowing the laser to operate with a lower excitation voltage. That configuration involves a body having a cavity therein and an entrance port to the cavity. Within the cavity there exists a protrusion extending from an interior surface toward the entrance port.

REFERENCES:
patent: 5052012 (1991-09-01), Norvell

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