Simultaneous measurement for strain and temperature using fiber Bragg gratings and multimode fibers
Applied Optics, Vol. 47, Issue 10, pp. 1668-1672 (2008)
http://dx.doi.org/10.1364/AO.47.001668
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Abstract
An all-fiber sensor capable of simultaneous measurement of temperature and strain is newly presented. The sensing head is formed by a fiber Bragg grating combined with a section of multimode fiber that acts as a Mach–Zehnder interferometer for temperature and strain discrimination. The strain and temperature coefficients of multimode fibers vary with the core sizes and materials. This feature can be used to improve the strain and temperature resolution by suitably choosing the multimode fiber. For a
© 2008 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: November 26, 2007
Revised Manuscript: January 22, 2008
Manuscript Accepted: February 16, 2008
Published: March 31, 2008
Citation
Da-Peng Zhou, Li Wei, Wing-Ki Liu, Yu Liu, and John W. Y. Lit, "Simultaneous measurement for strain and temperature using fiber Bragg gratings and multimode fibers," Appl. Opt. 47, 1668-1672 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-10-1668
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