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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 22 — Nov. 15, 2010
  • pp: 3850–3852

Vector Brillouin optical time-domain analyzer for high-order acoustic modes

Michel Dossou, Denis Bacquet, and Pascal Szriftgiser  »View Author Affiliations


Optics Letters, Vol. 35, Issue 22, pp. 3850-3852 (2010)
http://dx.doi.org/10.1364/OL.35.003850


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Abstract

Thanks to a double-frequency phase modulation scheme, we report a vector Brillouin optical time-domain analyzer (BOTDA). This BOTDA has a high immunity level to noise, and it features a phase spectrogram capability. It is well suited for complex situations involving several acoustic resonances, such as high-order longitudinal modes. It has notably been used to characterize a dispersion-shifted fiber, allowing us to report spectrograms with multiple acoustic resonances. A very high 57 dB dynamic range is also reported for 100-ns-long pulses simultaneously with a 16 cm numerical resolution.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Scattering

History
Original Manuscript: July 23, 2010
Revised Manuscript: October 12, 2010
Manuscript Accepted: October 20, 2010
Published: November 12, 2010

Citation
Michel Dossou, Denis Bacquet, and Pascal Szriftgiser, "Vector Brillouin optical time-domain analyzer for high-order acoustic modes," Opt. Lett. 35, 3850-3852 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-22-3850

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