Hydrogen and radiation induced effects on performances of Raman fiber-based temperature sensors

C. Cangialosi; Y. Ouerdane; S. Girard; A. Boukenter; M. Cannas; S. Delepine-Lesoille; J. Bertrand; P. Paillet

doi:10.1117/12.2059628

2 June 2014 Hydrogen and radiation induced effects on performances of Raman fiber-based temperature sensors

C. Cangialosi, Y. Ouerdane, S. Girard, A. Boukenter, M. Cannas, S. Delepine-Lesoille, J. Bertrand, P. Paillet

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91576U (2014) https://doi.org/10.1117/12.2059628
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

Raman Distributed Temperature Sensors (RDTS) offer exceptional advantages for the monitoring of the envisioned French deep geological repository for nuclear wastes, called Cigéo. Here, we present experimental studies on how the performances of RDTS evolve in harsh environments like those associated with H₂ or γ-rays. Both of them are shown to strongly affect the temperature measurements made with RDTS. We showed that by adapting the characteristics of the used fiber for the sensing, we could limit its degradation but that additional hardening by system studies will have to be developed before integration of RDTS in Cigéo.

Citation Download Citation

C. Cangialosi, Y. Ouerdane, S. Girard, A. Boukenter, M. Cannas, S. Delepine-Lesoille, J. Bertrand, and P. Paillet "Hydrogen and radiation induced effects on performances of Raman fiber-based temperature sensors", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576U (2 June 2014); https://doi.org/10.1117/12.2059628

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