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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 23 — Dec. 1, 2006
  • pp: 3414–3416

Highly sensitive long-period fiber-grating strain sensor with low temperature sensitivity

Yi-Ping Wang, Limin Xiao, D. N. Wang, and Wei Jin  »View Author Affiliations


Optics Letters, Vol. 31, Issue 23, pp. 3414-3416 (2006)
http://dx.doi.org/10.1364/OL.31.003414


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Abstract

A long-period fiber-grating sensor with a high strain sensitivity of 7.6 pm μ ε and a low temperature sensitivity of 3.91 pm ° C is fabricated by use of focused CO 2 laser beam to carve periodic grooves on a large- mode-area photonic crystal fiber. Such a strain sensor can effectively reduce the cross-sensitivity between strain and temperature, and the temperature-induced strain error obtained is only 0.5 μ ε ° C without using temperature compensation.

© 2006 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 13, 2006
Revised Manuscript: August 24, 2006
Manuscript Accepted: August 31, 2006
Published: November 9, 2006

Citation
Yi-Ping Wang, Limin Xiao, D. N. Wang, and Wei Jin, "Highly sensitive long-period fiber-grating strain sensor with low temperature sensitivity," Opt. Lett. 31, 3414-3416 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-23-3414


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