Pulsed laser electrode assembly

Details Pulsed laser electrode assembly Pulsed laser electrode assembly

1979-07-16

1980-12-16

Sikes, William L.

Oscillators

Molecular or particle resonant type

331 945D, 331 945C, 331 945G, H01S 300

Patent

active

042400449

ABSTRACT:
An electrode assembly for a compact high vacuum pulsed gas discharge laser comprises an elongated cathode and a coextensive anode spaced apart in a direction transversely of the flow of gas to define a discharge gap. Each of the electrodes is connected at a plurality of equally spaced points along its length to a like number of conductive rods which extend through the top wall of the laser housing for connection to a power source. The cathode comprises a carrier bar directly attached to said rods and a cathode bar adjustably secured to the carrier bar for vertical movement toward and away from the anode to permit attainment of a uniform discharge gap throughout the length of the electrodes. Preionization of the discharge gap is achieved by means of a conductive sleeve electrically connected to one of the electrodes and disposed against the inner surface of a dielectric tube which contacts the other electrode throughout its length. A cooling tube from an external source of coolant passes through a vacuum-tight housing feedthrough post for engagement with the cathode carrier bar over its length for cooling the cathode assembly.

REFERENCES:
patent: 3577096 (1971-05-01), Bridges et al.
patent: 4135167 (1979-01-01), Godard

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