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Journal Articles Journal of Lightwave Technology Year : 2015

Radiation Vulnerability of Fiber Bragg Gratings in Harsh Environments

Adriana Morana
Sylvain Girard
Emmanuel Marin
Jocelyn Périsse
  • Function : Author
Jean Reynald Macé
  • Function : Author
Aziz Boukenter
Youcef Ouerdane

Abstract

The difficulties encountered in the implementation of a temperature or strain sensor based on fiber Bragg grating (FBG) in a harsh radiative environment are introduced. We present the choices made to select both a radiation-resistant fiber in terms of transmission and also the grating inscription conditions necessary to write radiation tolerant FBGs in such fibers with a femtosecond laser. The radiation response of these gratings was also studied under radiation at dose up to 1 MGy. The comparison between Ge-free and Ge-doped fibers was highlighted.
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Dates and versions

hal-02093965 , version 1 (09-04-2019)

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Adriana Morana, Sylvain Girard, Emmanuel Marin, Claude Marcandella, Serena Rizzolo, et al.. Radiation Vulnerability of Fiber Bragg Gratings in Harsh Environments. Journal of Lightwave Technology, 2015, 33 (12), pp.2646-2651. ⟨10.1109/JLT.2014.2364526⟩. ⟨hal-02093965⟩
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