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Investigation of Coating Impact on OFDR Optical Remote Fiber-Based Sensors Performances for Their Integration in High Temperature and Radiation Environments

Rizzolo, Serena and Marin, Emmanuel and Morana, Adriana and Boukenter, Aziz and Ouerdane, Youcef and Cannas, Marco and Périsse, Jocelyn and Bauer, Sophie and Macé, Jean Reynald and Girard, Sylvain Investigation of Coating Impact on OFDR Optical Remote Fiber-Based Sensors Performances for Their Integration in High Temperature and Radiation Environments. (2016) Journal of Lightwave Technology, 34 (19). 4460-4465. ISSN 0733-8724

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Official URL: https://doi.org/10.1109/JLT.2016.2552459


The response of OFDR-based temperature sensors is here investigated in harsh environments (high temperature, high radiation dose) focusing the attention on the impact of the fiber coating on the sensor performances in such environments. Our results demonstrate that the various coating types evolve differently under thermal treatment and/or radiations, resulting in a small (<5%) change in the temperature coefficient of the sensor. We identified a procedure allowing improving the sensor performances in harsh environments. This procedure consists in a pre-thermal treatment of the radiation tolerant fibers at its maximum coating operating temperature. This allows stabilizing the temperature coefficients when the fiber is exposed to the harsh constraints. Finally, we show that radiation does not affect scattering phenomenon, CT coefficients remain identical within 1% fluctuations up to 10 MGy, and that permanent RIA reached values stands for the development of high-spatial resolved distributed temperature for harsh environment associated with high temperature (up to 300 °C) and ionizing radiation up to the MGy dose level.

Item Type:Article
Additional Information:Thanks to the IEEE (Institute of Electrical and Electronics Engineers). This paper is available at : https://ieeexplore.ieee.org/document/7457227 “© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
HAL Id:hal-02060022
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > AREVA (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Université Jean Monnet - St Etienne (FRANCE)
Other partners > Université de Lyon - UDL (FRANCE)
Other partners > Università degli studi di Palermo (ITALY)
Laboratory name:
Deposited On:07 Mar 2019 09:28

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