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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 8 — Apr. 15, 2014
  • pp: 2463–2466

Dual-polarization interferometric fiber-optic gyroscope with an ultra-simple configuration

Zinan Wang, Yi Yang, Ping Lu, Rongya Luo, Yulin Li, Dayu Zhao, Chao Peng, and Zhengbin Li  »View Author Affiliations


Optics Letters, Vol. 39, Issue 8, pp. 2463-2466 (2014)
http://dx.doi.org/10.1364/OL.39.002463


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Abstract

We demonstrate a novel dual-polarization interferometric fiber-optic gyroscope (IFOG), which needs only one coupler and no polarizer. Polarization nonreciprocity (PN) errors in common IFOGs will increase significantly if the polarizer is absent, or if only one coupler is used. In our setup, however, PN errors are effectively compensated by using two balanced polarizations. The 2 km coil, open-loop configuration obtains a bias instability of 0.02°/h in detecting the Earth’s rotation rate. Its performance difference from the conventional two-coupler IFOG is only a stable bias, caused by coupler nonreciprocity.

© 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:
Fiber Optics and Optical Communications

History
Original Manuscript: January 22, 2014
Revised Manuscript: March 12, 2014
Manuscript Accepted: March 15, 2014
Published: April 14, 2014

Citation
Zinan Wang, Yi Yang, Ping Lu, Rongya Luo, Yulin Li, Dayu Zhao, Chao Peng, and Zhengbin Li, "Dual-polarization interferometric fiber-optic gyroscope with an ultra-simple configuration," Opt. Lett. 39, 2463-2466 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-8-2463


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References

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