Gaseous laser device with damage-resistant cathode

Details Gaseous laser device with damage-resistant cathode Gaseous laser device with damage-resistant cathode

1975-03-21

1978-04-18

Sikes, William L.

Oscillators

Molecular or particle resonant type

331 945G, H01S 3097

Patent

active

040853853

ABSTRACT:
There is disclosed a gaseous laser device with a novel damage-resistant cathode geometry. The device comprises an envelope, a cathode volume having at least one wall, an electrically conductive cathode within the cathode volume, a lasing gaseous volume, and an anode. The cathode comprises an electrically conductive material supported by at least one cathode wall with at least one cathode wall edge being vulnerable to gas discharge deterioration. The gas discharge erosion of at least a portion of the vulnerable cathode edge is substantially prevented by the positioning of a juxtaposed protective cover plate over the cathode edge.

REFERENCES:
patent: 2016437 (1935-10-01), Jones
patent: 3815047 (1964-06-01), Smith et al.
patent: 3868527 (1975-02-01), Devries et al.
patent: 3916337 (1975-10-01), Kindl et al.

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