RF discharge suppression in low pressure gas devices

Details RF discharge suppression in low pressure gas devices RF discharge suppression in low pressure gas devices

1985-11-12

1988-04-12

Davie, James W.

Coherent light generators

Particular pumping means

Electrical

372 83, 372 87, H01S 3097

Patent

active

047379642

ABSTRACT:
An RF laser structure (10) is disclosed which includes an elongated laser excitation cavity (27) and an electrode structure (20) for suppressing extraneous RF discharges outside of the laser cavity. The electrode structure includes an electrode (41) adjacent the elongated laser cavity (27) and extending along the laser cavity; a conductive structure (43, 45) adjacent and conductively coupled to the electrode (41) for shielding the electrode and for providing smooth conductive surfaces; and a dielectric filler (47) encapsulating the electrode and the conductive structure, and for controlling the electric field generated by the electrode structure so that extraneous discharges are suppressed. Also disclosed is a method for making a laser electrode structure which includes the steps of forming an electrode adjacent the elongated laser cavity, and encapsulating the electrode with a dielectric potting material.

REFERENCES:
patent: 4317067 (1982-02-01), Fitzsimmons et al.
patent: 4359777 (1982-11-01), Fox et al.
patent: 4633478 (1986-12-01), Robusto

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