Multioscillator ring laser gyroscope adaptive digitally controll

Details Multioscillator ring laser gyroscope adaptive digitally controll Multioscillator ring laser gyroscope adaptive digitally controll

1991-08-06

1993-05-04

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01B 902

Patent

active

052086534

ABSTRACT:
Disclosed herein is a Digitally Controlled Cavity Length Control System comprising, in a preferred embodiment, an adaptive servo-loop for cavity length, modulation depth and amplitude control, and of the multioscillator ring laser gyroscope; thereby, permitting the simultaneous control of these elements. The cavity length control of the multioscillator, by including a variable RF detector gain, allows the operation of the gyroscope in a slightly detuned fashion to minimize magnetic sensitivity. In this manner, the multioscillator gyroscope may be maintained at a stable operating point suitable for modeling.

REFERENCES:
patent: 4963026 (1990-10-01), Hahn
patent: 5074664 (1991-12-01), Mark et al.

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