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Journal Articles Optics Express Year : 2015

Vulnerability of OFDR-based distributed sensors to high γ-ray doses

Aziz Boukenter
Emmanuel Marin
Jocelyn Perisse
  • Function : Author
Sophie Bauer
  • Function : Author
Jean-Reynald Macé
  • Function : Author
Youcef Ouerdane
Sylvain Girard


Vulnerability of Optical Frequency Domain Reflectometry (OFDR) based sensors to high γ-ray doses (up to 10 MGy) is evaluated with a specific issue of a radiation-hardened temperature and strain monitoring system for nuclear industry. For this, we characterize the main radiation effects that are expected to degrade the sensor performances in such applicative domain: the radiation-induced attenuation (RIA), the possible evolution with the dose of the Rayleigh scattering phenomenon as well as its dependence on temperature and strain. This preliminary investigation is done after the irradiation and for five different optical fiber types covering the range from radiation-hardened fibers to highly radiation sensitive ones. Our results show that at these high dose levels the scattering mechanism at the basis of the used technique for the monitoring is unaffected (changes below 5%), authorizing acceptable precision on the


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Dates and versions

ujm-01185797 , version 1 (08-04-2019)



Serena Rizzolo, Aziz Boukenter, Emmanuel Marin, Marco Cannas, Jocelyn Perisse, et al.. Vulnerability of OFDR-based distributed sensors to high γ-ray doses. Optics Express, 2015, 23 (15), pp.18997-19009. ⟨10.1364/OE.23.018997⟩. ⟨ujm-01185797⟩
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