Coherence In Optical Fibre Gyroscopes

I. P. Giles; J. McMillan; J. MacKintosh; B. Culshaw

doi:10.1117/12.951158

7 August 1986 Coherence In Optical Fibre Gyroscopes

I. P. Giles, J. McMillan, J. MacKintosh, B. Culshaw

Author Affiliations +

Proceedings Volume 0586, Fiber Optic Sensors I; (1986) https://doi.org/10.1117/12.951158
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

The level of drift produced by coherent backscatter in the optical fibre gyroscope is investigated. In particular the phase modulated minimum configuration system is considered and conclusions drawn concerning the optimum modulation frequency and the feasibility of incorporating a laser source in an inertial grade gyroscope. It is shown that the optimum modulation frequency is approximately one sixth of the eigenfrequency of the gyroscope and that at this point the backscatter is independent of the coupling ratio, environmental effects and rotation rate.

Citation Download Citation

I. P. Giles, J. McMillan, J. MacKintosh, and B. Culshaw "Coherence In Optical Fibre Gyroscopes", Proc. SPIE 0586, Fiber Optic Sensors I, (7 August 1986); https://doi.org/10.1117/12.951158

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