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Distributed forward stimulated Brillouin scattering measurement using broadband BOTDR
Author(s): Simon Zaslawski; Zhisheng Yang; Sheng Wang; Luc Thévenaz
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Paper Abstract

Brillouin optical time-domain reflectometry is used to perform distributed forward stimulated Brillouin scattering (FSBS) measurements. This configuration suppresses the need for an additional frequency scanning to evaluate the local Brillouin peak gain when probing the FSBS resonance. The use of a broad pass-band filter makes the system insensitive to moderate temperature or strain fluctuations, but enables to accurately retrieve any change in intensity due to FSBS.

Paper Details

Date Published: 28 August 2019
PDF: 4 pages
Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 1119923 (28 August 2019); doi: 10.1117/12.2540011
Show Author Affiliations
Simon Zaslawski, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Zhisheng Yang, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Sheng Wang, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Beijing Univ. of Posts and Telecommunications (Chile)
Luc Thévenaz, Ecole Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 11199:
Seventh European Workshop on Optical Fibre Sensors
Kyriacos Kalli; Sinead O. O'Keeffe; Gilberto Brambilla, Editor(s)

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