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Monitoring of single-mode fiber laser heating using Rayleigh scattering and first order fs-PbP fiber Bragg grating

Abstract : This paper presents the development of a CO2 laser-based heating system to simulate fast thermal phenomena on high temperature resistant FBGs dedicated to high temperature profiles monitoring within components exposed to hot plasma inside Tokamak. We have demonstrated the reliability of two optical fiber based sensing techniques to control spatial and temporal annealing measurement during high and fast thermal process.
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https://hal-cea.archives-ouvertes.fr/cea-01809221
Contributor : Léna Le Roy <>
Submitted on : Wednesday, June 6, 2018 - 3:07:26 PM
Last modification on : Wednesday, September 16, 2020 - 5:13:11 PM

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R. Desmarchelier, R. Cotillard, N. Roussel, S. Armiroli, G. Laffont. Monitoring of single-mode fiber laser heating using Rayleigh scattering and first order fs-PbP fiber Bragg grating. 25th International Conference on Optical Fiber Sensors, Apr 2017, JeJu, South Korea. pp.103238N, ⟨10.1117/12.2265795⟩. ⟨cea-01809221⟩

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