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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 13 — May. 1, 2007
  • pp: 2516–2519

Low-cost high-sensitivity strain and temperature sensing using graded-index multimode fibers

Yu Liu and Li Wei  »View Author Affiliations


Applied Optics, Vol. 46, Issue 13, pp. 2516-2519 (2007)
http://dx.doi.org/10.1364/AO.46.002516


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Abstract

We report a low-loss, low-cost high-sensitivity all-fiber strain and temperature sensor based on mode interference in graded-index multimode fibers. Blueshifts with strain and temperature sensitivities of 18.6 pm∕microstrain and 58.5 pm / ° C have been observed. Experimental results show that smaller core diameter graded-index fibers display greater strain-induced peak wavelength shifts than larger core diameter fibers.

© 2007 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 22, 2006
Revised Manuscript: December 18, 2006
Manuscript Accepted: December 19, 2006
Published: April 9, 2007

Citation
Yu Liu and Li Wei, "Low-cost high-sensitivity strain and temperature sensing using graded-index multimode fibers," Appl. Opt. 46, 2516-2519 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-13-2516

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