Discriminant apparatus for laser gyros

Details Discriminant apparatus for laser gyros Discriminant apparatus for laser gyros

1982-03-01

1985-11-05

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356349, 372 94, G01C 1964

Patent

active

045510210

ABSTRACT:
A discriminant apparatus for laser angular rate sensors which provides an output signal related to a selected weighted vectorial sum of the coupling of energy between counterpropagating waves traveling about a closed-loop path. The discriminant apparatus is utilized in a closed-loop control system for minimizing the lock-in rate of the sensor and/or maintaining and selecting scale factor linearity.

REFERENCES:
patent: 4099876 (1978-07-01), Dorsman
patent: 4152071 (1979-05-01), Podgorski
patent: 4320974 (1982-03-01), Ljung
patent: 4422762 (1983-12-01), Hutchings et al.

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