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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 5 — Mar. 10, 2014
  • pp: 4908–4919

Optically compensated polarization reciprocity in interferometric fiber-optic gyroscopes

Zinan Wang, Yi Yang, Ping Lu, Chenglong Liu, Dayu Zhao, Chao Peng, Zhenrong Zhang, and Zhengbin Li  »View Author Affiliations

Optics Express, Vol. 22, Issue 5, pp. 4908-4919 (2014)

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Polarization reciprocity is studied both theoretically and experimentally in an optically compensated configuration of interferometric fiber optic gyroscope (IFOG). In conventional IFOGs based on the minimal scheme, the output port of the coil coupler cannot be used mainly because of its polarization nonreciprocity (PN), and thus it is usually called the “nonreciprocal port”. We show that the PN errors at the nonreciprocal port are effectively eliminated by optical compensation. With this unique property, the optically compensated IFOG can possess two low-PN ports for rotation sensing at the same time. From another perspective, one port IFOGs are possible to be constructed with less structural complexity.

© 2014 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2800) Fiber optics and optical communications : Gyroscopes

ToC Category:

Original Manuscript: November 6, 2013
Revised Manuscript: December 22, 2013
Manuscript Accepted: January 14, 2014
Published: February 24, 2014

Zinan Wang, Yi Yang, Ping Lu, Chenglong Liu, Dayu Zhao, Chao Peng, Zhenrong Zhang, and Zhengbin Li, "Optically compensated polarization reciprocity in interferometric fiber-optic gyroscopes," Opt. Express 22, 4908-4919 (2014)

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