16 May 2008 B-OTDR and OFDR distributed optical fiber strain sensing for sinkhole detection
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Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70044N (2008) https://doi.org/10.1117/12.786125
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia
Abstract
Optical fiber sensor is evaluated for sinkhole detection under railway tunnels. Tests performed on a decametric structure equipped with embedded 110 m-cable interrogated by Brillouin-OTDR and OFDR showed great performances in accordance with finite-element calculations.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sylvie Delepine-Lesoille, Sylvie Delepine-Lesoille, Vincent Lanticq, Vincent Lanticq, Pierre Magnien, Pierre Magnien, Luc Dieleman, Luc Dieleman, Gratien Vinceslas, Gratien Vinceslas, Emmanuel Bourgeois, Emmanuel Bourgeois, } "B-OTDR and OFDR distributed optical fiber strain sensing for sinkhole detection", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70044N (16 May 2008); doi: 10.1117/12.786125; https://doi.org/10.1117/12.786125
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