Cyclic pulse coding for hybrid fast BOTDA/Raman sensor

Yonas Muanenda; Mohammad Taki; Iacopo Toccafondo; Alessandro Signorini; Tiziano Nannipieri; Claudio J. Oton; Fabrizio Di Pasquale

doi:10.1117/12.2057975

2 June 2014 Cyclic pulse coding for hybrid fast BOTDA/Raman sensor

Yonas Muanenda, Mohammad Taki, Iacopo Toccafondo, Alessandro Signorini, Tiziano Nannipieri, Claudio J. Oton, Fabrizio Di Pasquale

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91575L (2014) https://doi.org/10.1117/12.2057975
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

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.

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Yonas Muanenda, Mohammad Taki, Iacopo Toccafondo, Alessandro Signorini, Tiziano Nannipieri, Claudio J. Oton, and Fabrizio Di Pasquale "Cyclic pulse coding for hybrid fast BOTDA/Raman sensor", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575L (2 June 2014); https://doi.org/10.1117/12.2057975

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