Capacitor discharge excited gas laser

Details Capacitor discharge excited gas laser Capacitor discharge excited gas laser

1983-01-12

1985-04-02

Sikes, William L.

Coherent light generators

Particular pumping means

Electrical

372 55, 372 87, H01S 3097

Patent

active

045091749

ABSTRACT:
The laser comprises a gas-filled channel (51) extending between a pair of metal plates (2 and 3). The laser is excited by a spark discharge through the gas from one plate to the other. The energy for the spark comes form a pair of built-in capacitors extending between the plates on either side of the channel. The plates constitute the plates of the capacitors, and apart from a plastic retaining wall (37, 39) round each capacitor, the capacitor dielectric is water. The water is advantageously pumped (47) round a cooling circuit (48), and it is not permanently damaged if an accidental discharge takes place through the water. The invention is particularly applicable to nitrogen and to excimer lasers.

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