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Proceedings Paper

Laser intensity noise in a fiber optic gyroscope system due to signal feedback
Author(s): Wei Jin; Brian Culshaw
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Paper Abstract

A theoretical and experimental treatment is presented for the feedback-dependent intensity-noise characteristics of a laser diode used in a FOG. The feedback induces an additional, time-varying noise signal in the laser output which has the same waveform as the Sagnac signal, and is amplified by as much as 13 dB. The effect of this intensity noise in the output of a 2D frequency-division multiplexed gyro is to introduce two additional terms.

Paper Details

Date Published: 1 February 1992
PDF: 11 pages
Proc. SPIE 1585, Fiber Optic Gyros: 15th Anniversary Conf, (1 February 1992); doi: 10.1117/12.135065
Show Author Affiliations
Wei Jin, Univ. of Strathclyde (United Kingdom)
Brian Culshaw, Univ. of Strathclyde (United Kingdom)

Published in SPIE Proceedings Vol. 1585:
Fiber Optic Gyros: 15th Anniversary Conf
Shaoul Ezekiel; Eric Udd, Editor(s)

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