Differential fiber optic angular rate sensor for minimizing comm

Details Differential fiber optic angular rate sensor for minimizing comm Differential fiber optic angular rate sensor for minimizing comm

1995-11-16

1997-08-05

Bovernick, Rodney B.

Optical waveguides

Optical waveguide sensor

385 15, 385 14, 356350, G02B 612

Patent

active

056550359

ABSTRACT:
A fiber optic optical rate sensor includes two channels, each of which provides an angular rate signal, and a light source common to the two channels. The channels are oriented in opposite directions whereby the angular rate signals are added and noise signals are subtracted. The output of the sensor is the result of the subtraction of the outputs of the two channels whereby common mode noise is minimized.

REFERENCES:
patent: 4786172 (1988-11-01), Zomick
patent: 4881817 (1989-11-01), Kim et al.
patent: 5157461 (1992-10-01), Page
patent: 5260768 (1993-11-01), Cordova et al.
patent: 5331404 (1994-07-01), Moeller et al.
patent: 5457532 (1995-10-01), August et al.

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