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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 14 — Jul. 15, 2012
  • pp: 2841–2843

Optically compensated dual-polarization interferometric fiber-optic gyroscope

Yi Yang, Zinan Wang, and Zhengbin Li  »View Author Affiliations


Optics Letters, Vol. 37, Issue 14, pp. 2841-2843 (2012)
http://dx.doi.org/10.1364/OL.37.002841


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Abstract

We first introduce optical compensation into the field of interferometric fiber-optic gyroscopes (IFOGs), using the opposite polarity of the disturbance between two orthogonal polarization states to suppress polarization-fluctuation-induced noise. A dual-polarized IFOG, in which the fast and slow axes of polarization-maintaining fiber work simultaneously, is implemented and tested. Interference signals of the two axes are added to achieve optical compensation. Experiments show that the IFOG’s sensitivity is effectively enhanced in compensated output: all Allan variance indices are improved, among which bias instability is reduced from 0.335 and 0.227deg/h (fast and slow axes output, respectively) to 0.061deg/h.

© 2012 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(060.2800) Fiber optics and optical communications : Gyroscopes

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 23, 2012
Revised Manuscript: May 24, 2012
Manuscript Accepted: May 25, 2012
Published: July 10, 2012

Citation
Yi Yang, Zinan Wang, and Zhengbin Li, "Optically compensated dual-polarization interferometric fiber-optic gyroscope," Opt. Lett. 37, 2841-2843 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-14-2841


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