Experimental and theoretical studies on a distributed temperature sensor based on Brillouin scattering

Experimental and theoretical studies on a distributed temperature sensor based on Brillouin scattering

Results are reported from recent research on the use of the Brillouin gain/loss mechanism for distributed sensing. A theoretical model of the interaction of the pulsed and CW beams is described and compared with experiments. Results from a system with a 51 km sensing length are presented. We finally...

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Veröffentlicht in:Journal of lightwave technology 1995-07, Vol.13 (7), p.1340-1348
Hauptverfasser: Bao, X., Dhliwayo, J., Heron, N., Webb, D.J., Jackson, D.A.
Format: Artikel
Sprache:eng
Schlagworte:
Acoustic scattering
Acoustic waves
Brillouin scattering
Frequency
Optical fiber polarization
Optical fibers
Optical scattering
Optical sensors
Raman scattering
Temperature sensors
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Beschreibung
Zusammenfassung:Results are reported from recent research on the use of the Brillouin gain/loss mechanism for distributed sensing. A theoretical model of the interaction of the pulsed and CW beams is described and compared with experiments. Results from a system with a 51 km sensing length are presented. We finally investigate issues related to the variation within the sensing fiber of the polarizations of the two beams.< >
ISSN:0733-8724
1558-2213
DOI:10.1109/50.400678