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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 16 — Aug. 15, 2014
  • pp: 4835–4838

Interferometric fiber-optic bending/nano-displacement sensor using plastic dual-core fiber

H. Qu, G. F. Yan, and M. Skorobogatiy  »View Author Affiliations


Optics Letters, Vol. 39, Issue 16, pp. 4835-4838 (2014)
http://dx.doi.org/10.1364/OL.39.004835


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Abstract

We demonstrate an interferometric fiber-optic bending/nano-displacement sensor based on a plastic dual-core fiber. The light coupled into the two fiber cores is first guided along the fiber, and then reflected by the mirror coated at the fiber end. Reflected light coming out of the fiber produces interference that shifts as the fiber bends. The interference shift is interrogated using a slit and a photodetector. The resolution of our sensor is 3×104m1 for sensing the bending curvature, and 70nm for sensing the displacement.

© 2014 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 5, 2014
Revised Manuscript: June 4, 2014
Manuscript Accepted: June 27, 2014
Published: August 13, 2014

Citation
H. Qu, G. F. Yan, and M. Skorobogatiy, "Interferometric fiber-optic bending/nano-displacement sensor using plastic dual-core fiber," Opt. Lett. 39, 4835-4838 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-16-4835


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