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Proceedings Paper

1’000’000 resolved points along a Brillouin distributed fibre sensor
Author(s): Andrey Denisov; Marcelo A. Soto; Luc Thévenaz
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Paper Abstract

The challenge to resolve a record of one million points along a single optical fibre is demonstrated using a Brillouin distributed fibre sensor. The proposed system is based on a phase-correlation technique combined with a temporal pump gating, making possible to detect a 14 mm-long hot-spot located at the end of a 17.5 km-long fibre. This corresponds to an increase by one order of magnitude in the number of points that a single system has resolved, representing a major breakthrough in the field. Specific issues arising when resolving such a large number of points are discussed.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 9157D2 (2 June 2014); doi: 10.1117/12.2071272
Show Author Affiliations
Andrey Denisov, EPFL SCI STI LT (Switzerland)
Marcelo A. Soto, EPFL SCI STI LT (Switzerland)
Luc Thévenaz, EPFL SCI STI LT (Switzerland)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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