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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 1 — Jan. 1, 2013
  • pp: 64–66

Semicircular fiber-based high-sensitivity displacement sensor

Linlin Xu, Ying Li, and Baojun Li  »View Author Affiliations


Optics Letters, Vol. 38, Issue 1, pp. 64-66 (2013)
http://dx.doi.org/10.1364/OL.38.000064


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Abstract

A semicircular fiber (SCF) was fabricated by flame-heated treatment for displacement sensing application. By launching a laser beam into the SCF, interference was created at the output port of the structure due to fiber-bending-induced birefringence. Experiments indicate that the resonant wavelength was shifted to shorter wavelengths with increasing transverse displacement. Displacement sensitivity increases with the decrease of the bending radius of the SCF. A high sensitivity of 1100nm/mm was obtained for the SCF with a bending radius of 0.57 mm.

© 2012 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(260.1440) Physical optics : Birefringence

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 11, 2012
Revised Manuscript: December 4, 2012
Manuscript Accepted: December 4, 2012
Published: December 20, 2012

Citation
Linlin Xu, Ying Li, and Baojun Li, "Semicircular fiber-based high-sensitivity displacement sensor," Opt. Lett. 38, 64-66 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-1-64

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