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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 16 — Aug. 1, 2011
  • pp: 15641–15651

All-fiber, long-active-length Fabry-Perot strain sensor

Simon Pevec and Denis Donlagic  »View Author Affiliations

Optics Express, Vol. 19, Issue 16, pp. 15641-15651 (2011)

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This paper presents a high-sensitivity, all-silica, all-fiber Fabry-Perot strain-sensor. The proposed sensor provides a long active length, arbitrary length of Fabry-Perot cavity, and low intrinsic temperature sensitivity. The sensor was micro-machined from purposely-developed sensor-forming fiber that is etched and directly spliced to the lead-in fiber. This manufacturing process has good potential for cost-effective, high-volume production. Its measurement range of over 3000 µε, and strain-resolution better than 1 µε were demonstrated by the application of a commercial, multimode fiber-based signal processor.

© 2011 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot

ToC Category:

Original Manuscript: June 24, 2011
Revised Manuscript: July 15, 2011
Manuscript Accepted: July 18, 2011
Published: July 29, 2011

Simon Pevec and Denis Donlagic, "All-fiber, long-active-length Fabry-Perot strain sensor," Opt. Express 19, 15641-15651 (2011)

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