Reviews of topical problems

Physical problems of fiber gyroscopy based on the Sagnac effect

Federal Research Center Institute of Applied Physics of the Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603000, Russian Federation

This review is concerned with the physical problems of fiber ring interferometry which underlies the fiber-optic gyroscopy harnessing the Sagnac effect. Locally reciprocal and locally nonreciprocal physical effects are considered, including polarization, transient, magnetic, nonlinear, and relativistic effects. These effects are responsible for the appearance of additional signals, which are similar to the rotation signal, at the output of a fiber-optic gyroscope. The causes of instability of the effects leading to the drift of the output signal are analyzed. The sources of fluctuations which limit the ultimate sensitivity of fiber gyroscopes are considered. We discuss different fields of application of fiber ring interferometers and fiber gyroscopes built around them for practical purposes and to basic research. The prospects for further development of fiber gyroscopy are considered.

Fulltext is available at IOP
PACS: 03.30.+p, 0.7.60.Vg, 42.81.Pa (all)
DOI: 10.1070/PU2002v045n08ABEH001073
Citation: Andronova I A, Malykin G B "Physical problems of fiber gyroscopy based on the Sagnac effect" Phys. Usp. 45 793–817 (2002)
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RT Journal
T1 Physical problems of fiber gyroscopy based on the Sagnac effect
A1 Andronova,I.A.
A1 Malykin,G.B.
PB Physics-Uspekhi
PY 2002
FD 10 Aug, 2002
JF Physics-Uspekhi
JO Phys. Usp.
VO 45
IS 8
SP 793-817
DO 10.1070/PU2002v045n08ABEH001073

Оригинал: Андронова И А, Малыкин Г Б «Физические проблемы волоконной гироскопии на эффекте Саньяка» УФН 172 849–873 (2002); DOI: 10.3367/UFNr.0172.200208a.0849

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