Apparatus for establishing and maintaining a stable electrical d

Details Apparatus for establishing and maintaining a stable electrical d Apparatus for establishing and maintaining a stable electrical d

1982-09-30

1985-08-06

Sikes, William L.

Coherent light generators

Particular temperature control

372 87, 372 83, 31323161, 313 40, H01S 304

Patent

active

045340323

ABSTRACT:
Apparatus for establishing and maintaining a stable electrical discharge across a stream of gas flowing through a gas flow channel, particularly useful in high-power lasers, comprises a plurality of modular elements each including a plurality of electrodes, a ballast impedance for each electrode, and a cooling element for each electrode in thermal communication with the electrode and its ballast impedance, all embedded within a block of insulating material. The ballast impedances for the electrodes at the downstream side of the gas flow channel have lower impedance values than those for the electrodes at the upstream side of the channel so as to compensate for the lower impedance of the gas flowing through the channel at the downstream side and to produce a substantially constant voltage across the various portions of the channels.

REFERENCES:
patent: 4288758 (1981-09-01), Seguin et al.
patent: 4423510 (1983-12-01), Pack et al.

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