Ring laser

Details Ring laser Ring laser

1981-08-17

1983-12-27

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

044227620

ABSTRACT:
A dithered ring laser particularly adapted for use as a gyro wherein backscatter from the mirrors is minimized by servoing the mirror inward and outward positions so that the sum of the AM amplitudes of the envelopes of the counterpropagating waves is reduced to a minimum value, then further servoing the mirrors to reduce the difference between such AM amplitudes.

REFERENCES:
patent: 3597088 (1971-08-01), Catherin
patent: 4152071 (1979-05-01), Podgorski
Bogdanov et al., "Lock-In Band of a Gas Ring Laser", Opt. & Spectrosc, vol. 31, No. 1, Jul. 1971, pp. 51-52.

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