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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 5 — Mar. 1, 2012
  • pp: 794–796

Nonlinear fiber-optic strain sensor based on four-wave mixing in microstructured optical fiber

Bobo Gu, Wu Yuan, Michael H. Frosz, A. Ping Zhang, Sailing He, and Ole Bang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 5, pp. 794-796 (2012)
http://dx.doi.org/10.1364/OL.37.000794


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Abstract

We demonstrate a nonlinear fiber-optic strain sensor, which uses the shifts of four-wave mixing Stokes and anti-Stokes peaks caused by the strain-induced changes in the structure and refractive index of a microstructured optical fiber. The sensor thus uses the inherent nonlinearity of the fiber and does not require any advanced postprocessing of the fiber. Strain sensitivity of 0.23pm/με is achieved experimentally and numerical simulations reveal that for the present fiber the sensitivity can be increased to 4.46pm/με by optimizing the pump wavelength and power.

© 2012 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(060.4005) Fiber optics and optical communications : Microstructured fibers
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 22, 2011
Revised Manuscript: November 28, 2011
Manuscript Accepted: December 6, 2011
Published: February 21, 2012

Citation
Bobo Gu, Wu Yuan, Michael H. Frosz, A. Ping Zhang, Sailing He, and Ole Bang, "Nonlinear fiber-optic strain sensor based on four-wave mixing in microstructured optical fiber," Opt. Lett. 37, 794-796 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-5-794


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