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Proceedings Paper

Cyclic pulse coding for hybrid fast BOTDA/Raman sensor
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Paper Abstract

We propose and experimentally demonstrate a fully hybrid distributed sensing scheme that uses a single narrow-band laser to perform fast measurement of the BFS using BOTDA and simultaneous temperature measurement based on spontaneous Raman scattering over 10 km of single mode fiber. The use of cyclic pulse coding effectively reduces the pump peak power levels required for accurate Raman-based distributed temperature measurement, enhancing at the same time the speed of the BFS measurement in the BOTDA technique.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575L (2 June 2014); doi: 10.1117/12.2057975
Show Author Affiliations
Yonas Muanenda, Scuola Superiore Sant'Anna (Italy)
Mohammad Taki, Scuola Superiore Sant'Anna (Italy)
Iacopo Toccafondo, Scuola Superiore Sant'Anna (Italy)
Alessandro Signorini, Scuola Superiore Sant'Anna (Italy)
Tiziano Nannipieri, Scuola Superiore Sant'Anna (Italy)
Claudio J. Oton, Scuola Superiore Sant'Anna (Italy)
Fabrizio Di Pasquale, Scuola Superiore Sant'Anna (Italy)

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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