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Proceedings Article

Distributed fiber sensing using Brillouin echoes

[+] Author Affiliations
Luc Thévenaz, Stella Foaleng Mafang

Swiss Federal Institute of Technology (Switzerland)

Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70043N (May 16, 2008); doi:10.1117/12.786283
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From Conference Volume 7004

  • 19th International Conference on Optical Fibre Sensors
  • David D. Sampson
  • Perth, WA, Australia | April 14, 2008

abstract

A simple physical description of the nonlinear optical interaction based on Brillouin echoes is presented. This technique makes potentially possible distributed Brillouin sensing down to centimeter spatial resolution while preserving the narrowband feature of the natural Brillouin gain spectrum. Experimental conditions for the generation of Brillouin echoes are described and demonstrations of distributed measurements using a 1 ns (10 cm) pulse are presented.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Luc Thévenaz and Stella Foaleng Mafang
"Distributed fiber sensing using Brillouin echoes", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70043N (May 16, 2008); doi:10.1117/12.786283; http://dx.doi.org/10.1117/12.786283


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