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2. Raman based distributed fiber optic temperature sensors for structural health monitoring in radiation environment

Author

C. Cangialosi, Claude Marcandella, Aziz Boukenter, P. Paillet, Marco Cannas, Y. Ourdane, Sylvie Delepine-Lesoille, Sylvain Girard, Emmanuel Marin, Cangialosi, C., Girard, S., Cannas, M., Boukenter, A., Marin, E., Delepine-Lesoille, S., Marcandella, C., Paillet, P., and Ourdane, Y.

Subjects
Optical fiber, Multi-mode optical fiber, Materials science, Radiation, business.industry, Attenuation, Distributed sensor, Temperature measurement, law.invention, symbols.namesake, Optics, MGy, law, Fiber optic sensor, symbols, Optoelectronics, Irradiation, Structural health monitoring, Electrical and Electronic Engineering, business, Raman spectroscopy, Radiation-induced attenuation, Raman
Abstract

Raman distributed temperature sensor (RDTS) measurements were performed during γ-radiation on three different classes of standard multimode fibers (pure, Ge-doped and F-doped). The sensor response is affected by the radiation induced attenuation phenomena leading to errors in the temperature measurements. The amplitude of this error strongly depends on the fiber type and the irradiation conditions. These results are promising in view of the integration of these RDTS into the deep geological repository for radioactive waste.

Published
2015

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