Radio frequency-excited gas laser

Details Radio frequency-excited gas laser Radio frequency-excited gas laser

1994-10-11

1995-12-12

Scott, Jr., Leon

Coherent light generators

Particular pumping means

Electrical

372 87, 372 92, H01S 3097

Patent

active

054757037

ABSTRACT:
A radio frequency (RF)-excited waveguide laser of improved efficiency is disclosed. Features which contribute to efficiency include a constriction in the RF cavity cross section which effects an intense, uniform electric field in the gas discharge region, discontinuities in the electrode surfaces bounding the discharge gap region which defeat longitudinal resonances in the RF cavity and thereby provide longitudinal uniformity in the gap region electric field, and dielectric tube(s) for confining gas in the discharge gap region. Additional versions of the invention include open-loop and closed-loop frequency tuning of the laser RF cavity and modular RF cavities which can be connected to achieve higher optical output power.

REFERENCES:
patent: 4719639 (1988-01-01), Tulip
patent: 5029173 (1991-07-01), Seguin
patent: 5062116 (1991-10-01), Christensen
patent: 5237580 (1993-08-01), Mefferd
patent: 5305346 (1994-04-01), Ault

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