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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4480–4482

Fiber-optic bending vector sensor based on Mach–Zehnder interferometer exploiting lateral-offset and up-taper

Shanshan Zhang, Weigang Zhang, Shecheng Gao, Pengcheng Geng, and Xiaolin Xue  »View Author Affiliations


Optics Letters, Vol. 37, Issue 21, pp. 4480-4482 (2012)
http://dx.doi.org/10.1364/OL.37.004480


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Abstract

A simple, compact, and highly sensitive optical fiber directional bend sensor is presented. This device consists of a lateral-offset splicing joint and an up-taper formed through excessive fusion splicing method. The lateral-offset splicing breaks the cylindrical symmetry of the fiber and defines a pair of directions along which the bending response of the Mach–Zehnder interferometer transmission spectrum is different and thus could be used for bending vector measurement. For a curvature range from 3 to 3m1, the bending sensitivities at 1463.86 nm and 1548.41 nm reach 11.987nm/m1 and 8.697nm/m1, respectively.

© 2012 Optical Society of America

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 31, 2012
Revised Manuscript: September 27, 2012
Manuscript Accepted: September 27, 2012
Published: October 25, 2012

Citation
Shanshan Zhang, Weigang Zhang, Shecheng Gao, Pengcheng Geng, and Xiaolin Xue, "Fiber-optic bending vector sensor based on Mach–Zehnder interferometer exploiting lateral-offset and up-taper," Opt. Lett. 37, 4480-4482 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-21-4480

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