Split-gain multimode ring laser gyroscope output optics detectio

Details Split-gain multimode ring laser gyroscope output optics detectio Split-gain multimode ring laser gyroscope output optics detectio

1990-01-12

1992-10-20

Buczinski, Stephen C.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01B 902, H01S 3083

Patent

active

051574624

ABSTRACT:
A rotational sensing system for a split gain, multi-mode ring laser gyroscope is disclosed herein that can operate with a simple upright symmetric optics mechanism, where the required signal separation is performed fully electronically. In a preferred embodiment, signal separation circuitry is provided which performs a 180.degree. or .pi. radians phase shift to one of a set of heterodyned signals, A.sub.in, and B.sub.in, with respect to a second set of Split Gain frequency signals, A.sub.out and B.sub.out, in order to extract these Split Gain frequency signals.

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Mini-Circuits, Understanding Power Splitters.
Multioscillator Laser Gyros-Weng W. Chow et al.
Laser Applications-Edited by Monte Ross.

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