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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 8 — Apr. 9, 2012
  • pp: 8584–8591

Fast Brillouin optical time domain analysis for dynamic sensing

Yair Peled, Avi Motil, and Moshe Tur  »View Author Affiliations


Optics Express, Vol. 20, Issue 8, pp. 8584-8591 (2012)
http://dx.doi.org/10.1364/OE.20.008584


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Abstract

A new technique for the fast implementation of Brillouin Optical Time Domain Analysis (BOTDA) is proposed and demonstrated, carrying the classical BOTDA method to the dynamic sensing domain. By using a digital signal generator which enables fast switching among 100 scanning frequencies, we demonstrate a truly distributed and dynamic measurement of a 100m long fiber with a sampling rate of ~10kHz, limited only by the fiber length and the frequency granularity. With 10 averages the standard deviation of the measured strain was ~5 µε.

© 2012 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(190.0190) Nonlinear optics : Nonlinear optics
(290.5830) Scattering : Scattering, Brillouin
(330.1880) Vision, color, and visual optics : Detection

ToC Category:
Sensors

History
Original Manuscript: February 2, 2012
Revised Manuscript: March 2, 2012
Manuscript Accepted: March 2, 2012
Published: March 28, 2012

Citation
Yair Peled, Avi Motil, and Moshe Tur, "Fast Brillouin optical time domain analysis for dynamic sensing," Opt. Express 20, 8584-8591 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-8-8584


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References

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