Rad Hard Fibers

Publications

• Temperature Dependence of Radiation-Induced Attenuation of a Fluorine-Doped Single-Mode Optical Fiber at Infrared Wavelengths

  Adriana Morana, Martin Roche, Cosimo Campanella, Gilles Mélin, Thierry Robin (Exail), Emmanuel Marin, Aziz Boukenter, Youcef Ouerdane and Sylvain Girard

  IEEE Transactions on Nuclear Science ( Volume: 70, Issue: 4, April 2023)

  https://doi.org/10.1109/TNS.2023.3239986

  In this paper, we report a similar systematic study performed, in the IR spectral domain, on a F-doped single-mode fiber, manufactured by Exail through the Modified Chemical Vapor Deposition (MCVD) process.

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• Toward Confocal Chromatic Sensing in Nuclear Reactors: In Situ Optical Refractive Index Measurements of Bulk Glass

  Marion Agoyan, Gary Fourneau, Guy Cheymol, Ayoub Ladaci, Hicham Maskrot, Christophe Destouches, Damien Fourmentel, Sylvain Girard, Aziz Boukenter

  IEEE Transactions on Nuclear Science ( Volume: 69, Issue: 4, April 2022)

  https://doi.org/10.1109/TNS.2022.3150221

  Here, the optical fiber was a radiation-hardened (rad-hard) optical fiber made by Exail with an aluminum coating allowing its use up to 400°C.

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• Radiation Effects on Pure-Silica Multimode Optical Fibers in the Visible and Near-Infrared Domains: Influence of OH Groups

  Cosimo Campanella, Vincenzo De Michele, Adriana Morana , Gilles Mélin (Exail), Thierry Robin (Exail), Emmanuel Marin, Youcef Ouerdane, Aziz Boukenter and Sylvain Girard

  Appl. Sci. 2021, 11(7), 2991

  https://doi.org/10.3390/app11072991

  For the present investigation, three MM optical fibers with pure silica cores, fluorine-doped claddings and polyimide coatings have been manufactured by Exail (Lannion, France).

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• Combined effect of radiation and temperature: towards optical fibers suited to distributed sensing in extreme radiation environments

  G. Mélin, A. Barnini, A. Morana, S. Girard, P. Guitton & R. Montron

  30th Conference on Radiation and its Effects on Components and Systems (RADECS 2019) – September 2019

  Combined effect of radiation and temperature on the response of polyimide coated radiation hardened single-mode fibers is investigated in the context of distributed monitoring of large nuclear infrastructures. Radiation induced attenuation (RIA) is evaluated for doses ranging from 1 to 10 MGy(SiO2) and temperatures up to ~250 °C.

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• Radiation resistant single-mode fiber with different coatings for sensing in high dose environments

  G. Mélin, P. Guitton, R. Montron, T. Gotter, T. Robin, B. Overton, A. Morana, S. Rizzolo & S. Girard

  IEEE Transactions on Nuclear Science – 10 December 2018

  A radiation single-mode optical fiber has been specifically developed for distributed sensing in harsh environments associated with MGy(SiO2) dose radiation. Different types of coating have been used: acrylate, polyimide, aluminum that allow extending the range of accessible temperatures up to 400°C…

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• Radiation hardened temperature measurement chain based on femtosecond laser written fbgs in a specific optical fiber

  G. Mélin, L. Lablonde, T. Robin, J. Kuhnhenn, U. Weinand, A. Morana, S. Girard, E. Marin, J. Périsse, J.S. Genot, J. Grelin, L. Hutter, J.R. Macé, A. Boukenter & Y. Ouerdane

  5th Workshop on Specialty Optical Fiber and Their Applications – October 2017

  A radiation resistant temperature measurement chain based on femtosecond laser written FBGs is described. First results confirm a suitable design to withstand foreseen harsh nuclear envirnoment both in term of temperature and cumulated dose.

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