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Proceedings Paper

Distributed optical fiber temperature sensor using only anti-Stokes Raman scattering light in a loop configuration
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Paper Abstract

In this paper we demonstrate distributed Raman temperature sensing (RDTS) in a loop scheme employing anti-Stokes light intensity only. Using a single-channel receiver and anti-Stokes traces measured in loop configuration, we implement RDTS with inherent compensation of fiber wavelength-dependent losses, as well as local external perturbations. Experimental results show a signal-to-noise ratio enhancement with respect to a standard RDTS in loop configuration, providing a robust and reliable high-performance sensor for long sensing ranges.

Paper Details

Date Published: 19 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77539U (19 May 2011); doi: 10.1117/12.886031
Show Author Affiliations
Marcelo A. Soto, Scuola Superiore Sant'Anna (Italy)
Alessandro Signorini, Scuola Superiore Sant'Anna (Italy)
Tiziano Nannipieri, Scuola Superiore Sant'Anna (Italy)
Stefano Faralli, Scuola Superiore Sant'Anna (Italy)
Gabriele Bolognini, Scuola Superiore Sant'Anna (Italy)
Fabrizio Di Pasquale, Scuola Superiore Sant'Anna (Italy)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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