Internal anode system for ring laser gyroscopes

Details Internal anode system for ring laser gyroscopes Internal anode system for ring laser gyroscopes

1991-12-16

1993-06-15

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 87, 372 94, G01C 1966, H01S 3083

Patent

active

052204049

ABSTRACT:
Disclosed herein is an Internal Anode System for Ring Laser Gyroscopes comprising at least one internal anode electrically connected, through an active gaseous medium, with a cathode to form a compact and shortened DC discharge pathway for a ring laser gyroscope. The internal anode comprises a conductive coating covering a taped end of the intersection of at least two passageways within a monolithic ring laser. The coated taped end of said passageways communicates with an external power source through an electrical feedthrough placed under and around a dielectric mirror substrate and seal. The gain-bore region within the cavity is narrowed and acts as the cavity aperture, increasing the available gain per unit length and relieving the fabrication tolerances.

REFERENCES:
patent: 3390606 (1968-07-01), Podgorski
patent: 3469922 (1969-09-01), Coccoli
patent: 3719900 (1973-03-01), Hochuli
patent: 4273282 (1981-06-01), Norvell
patent: 4392229 (1983-07-01), Hostetler
patent: 4432660 (1984-02-01), Matthews
patent: 4666302 (1987-05-01), Rodloff et al.
patent: 4837774 (1989-06-01), Jabr
patent: 4973161 (1990-11-01), Simms

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