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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 13 — May. 1, 2013
  • pp: 3020–3026

Limitations and strategies to improve measurement accuracy in differential pulse-width pair Brillouin optical time-domain analysis sensing

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


Applied Optics, Vol. 52, Issue 13, pp. 3020-3026 (2013)
http://dx.doi.org/10.1364/AO.52.003020


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Abstract

In this work, we analyze the effects of Brillouin gain and Brillouin frequency drifts on the accuracy of the differential pulse-width pair Brillouin optical time-domain analysis (DPP-BOTDA). In particular, we demonstrate numerically that the differential gain is highly sensitive to variations in the Brillouin gain and/or Brillouin shift occurring during the acquisition process, especially when operating with a small pulse pair duration difference. We also propose and demonstrate experimentally a method to compensate for these drifts and consequently improve measurement accuracy.

© 2013 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 4, 2013
Revised Manuscript: March 14, 2013
Manuscript Accepted: March 15, 2013
Published: April 24, 2013

Citation
Aldo Minardo, Romeo Bernini, and Luigi Zeni, "Limitations and strategies to improve measurement accuracy in differential pulse-width pair Brillouin optical time-domain analysis sensing," Appl. Opt. 52, 3020-3026 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-13-3020

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