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  • Vol. 36, Iss. 17 — Sep. 1, 2011
  • pp: 3392–3394

Fully distributed fiber-optic temperature sensing using acoustically-induced rocking grating

Dorothy Y. Wang, Yunmiao Wang, Jianmin Gong, and Anbo Wang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 17, pp. 3392-3394 (2011)
http://dx.doi.org/10.1364/OL.36.003392


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Abstract

A highly sensitive fully distributed fiber-optic temperature sensing technique is proposed and demonstrated based on a transient and traveling rocking grating. The rocking grating is generated by pulsed acoustic torsional waves propagating along the fiber. The measured temperature sensitivity is 1000 ppm / ° C and is experimentally demonstrated mainly due to the temperature dependence of the fiber birefringence. This traveling rocking grating based sensing technique may also serve other fully-distributed sensing applications by using specially designed fibers.

© 2011 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 2, 2011
Revised Manuscript: July 21, 2011
Manuscript Accepted: August 6, 2011
Published: August 25, 2011

Citation
Dorothy Y. Wang, Yunmiao Wang, Jianmin Gong, and Anbo Wang, "Fully distributed fiber-optic temperature sensing using acoustically-induced rocking grating," Opt. Lett. 36, 3392-3394 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-17-3392


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