Waveguide laser having a capacitively coupled discharge

Details Waveguide laser having a capacitively coupled discharge Waveguide laser having a capacitively coupled discharge

1981-07-23

1983-04-26

Sikes, William L.

Coherent light generators

Particular pumping means

Electrical

372 64, 372 82, H01S 308

Patent

active

043815642

ABSTRACT:
A waveguide laser having a gain medium excited by a capacitively coupled self-sustained discharge is disclosed. The gain medium is disposed within a dielectric waveguide having a capillary bore centrally located therein. A gain medium such as a rare gas halide mixture is excited by a capacitively coupled discharge between a power electrode circumferentially and axially enveloping a central portion of the waveguide and ground electrodes disposed proximate the ends of the waveguide between the mirrors defining the optical cavity of the laser. A preferred embodiment of the laser further includes means for circulating the gain medium through the waveguide. The present invention is adapted for providing pulses of radiation having a wavelength in the ultraviolet and visible spectrum and pulse widths typically less than 30 nanoseconds with peak powers in excess of one kilowatt.

REFERENCES:
patent: 3614653 (1971-10-01), Javan et al.
patent: 3928816 (1975-12-01), Hartwick et al.
patent: 3961283 (1976-06-01), Abrams et al.
patent: 4039971 (1977-08-01), Wang et al.

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