23 April 2017 Study of γ-ray radiation effects on TW-COTDR optical fiber sensors
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Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103236B (2017) https://doi.org/10.1117/12.2263423
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
Abstract
Radiation effects on the performances of TW-COTDR (Tunable Wavelength - Coherent Optical Time Domain Reflectometry) optical fiber sensors based on Rayleigh scattering have been studied online for Ge-doped and F-doped fibers. We confirm that the Rayleigh response is not affected by low radiation (dose ∼55 kGy). However we observed using the TW-COTDR technology, a radiation induced frequency shift increasing at higher radiation (dose ∼ 10MGy): up to 96 GHz for Ge-doped fiber and up to 25.5 GHz for F-doped fiber.
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I. Planes, I. Planes, S. Girard, S. Girard, A. Boukenter, A. Boukenter, E. Marin, E. Marin, S. Delepine-Lesoille, S. Delepine-Lesoille, A. Gusarov, A. Gusarov, Y. Ouerdane, Y. Ouerdane, } "Study of γ-ray radiation effects on TW-COTDR optical fiber sensors", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103236B (23 April 2017); doi: 10.1117/12.2263423; https://doi.org/10.1117/12.2263423
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