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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 17 — Sep. 1, 2006
  • pp: 2526–2528

Distributed strain measurement with millimeter-order spatial resolution based on Brillouin optical correlation domain analysis

Kwang Yong Song, Zuyuan He, and Kazuo Hotate  »View Author Affiliations


Optics Letters, Vol. 31, Issue 17, pp. 2526-2528 (2006)
http://dx.doi.org/10.1364/OL.31.002526


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Abstract

Distributed strain sensing with millimeter-order spatial resolution is demonstrated in optical fibers based on Brillouin optical correlation domain analysis. A novel beat lock-in detection scheme is introduced to suppress background noises coming from the reflection of Brillouin pump waves. The Brillouin frequency shifts of 3 mm fiber sections are successfully measured with a theoretical spatial resolution of 1.6 mm .

© 2006 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
(060.4080) Fiber optics and optical communications : Modulation
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 15, 2006
Manuscript Accepted: June 14, 2006
Published: August 9, 2006

Citation
Kwang Yong Song, Zuyuan He, and Kazuo Hotate, "Distributed strain measurement with millimeter-order spatial resolution based on Brillouin optical correlation domain analysis," Opt. Lett. 31, 2526-2528 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-17-2526

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