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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 24 — Nov. 21, 2011
  • pp: 23845–23856

Long-range distributed Brillouin fiber sensors by use of an unbalanced double sideband probe

Romeo Bernini, Aldo Minardo, and Luigi Zeni  »View Author Affiliations


Optics Express, Vol. 19, Issue 24, pp. 23845-23856 (2011)
http://dx.doi.org/10.1364/OE.19.023845


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Abstract

Abstract: We propose and demonstrate a long-range Brillouin Optical Time-Domain Analysis (BOTDA) distributed sensing system making use of an unbalanced double sideband probe formed by a Stokes and an anti-Stokes line. In particular, we show that for each measuring condition an optimal Stokes /anti-Stokes input power ratio exists, allowing a larger suppression of nonlocal effects induced by pump depletion. Experiments on a 50 km single-mode sensing fiber with 5 meters spatial resolution are reported.

© 2011 OSA

OCIS Codes
(000.0000) General : General
(000.2700) General : General science

ToC Category:
Sensors

History
Original Manuscript: August 1, 2011
Revised Manuscript: September 13, 2011
Manuscript Accepted: September 13, 2011
Published: November 9, 2011

Citation
Romeo Bernini, Aldo Minardo, and Luigi Zeni, "Long-range distributed Brillouin fiber sensors by use of an unbalanced double sideband probe," Opt. Express 19, 23845-23856 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-24-23845


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References

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