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Influence of O2 loading pre-treatment on the radiation response of pure and fluorine doped silica-based optical fibers

Abstract : We investigated the impact of an oxygen pre-loading on pure-silica-core or fluorine-doped-core fiber responses to high irradiation doses (up to 1 MGy(SiO2)). Oxygen enrichment was achieved through a diffusion-based technique and the long term presence of O2 molecules was confirmed by micro-Raman experiments. Online Radiation Induced Attenuation (RIA) experiments were carried out in both the pristine and the O2-loaded optical fibers to investigate the differences induced by this pre-treatment in the UV and visible ranges. Contrary to results recently published on the positive impact of O2 on infrared RIA, our results reveal a RIA increased with O2 presence. Data are analyzed in order to better understand the microscopic processes involved during the irradiation and to evaluate possible hardening developments.
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https://hal-ujm.archives-ouvertes.fr/ujm-01027678
Contributor : Sylvain Girard <>
Submitted on : Tuesday, July 22, 2014 - 12:03:21 PM
Last modification on : Monday, January 13, 2020 - 5:46:04 PM

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  • HAL Id : ujm-01027678, version 1

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Diego Di Francesca, S. Agnello, Sylvain Girard, Claude Marcandella, Philippe Paillet, et al.. Influence of O2 loading pre-treatment on the radiation response of pure and fluorine doped silica-based optical fibers. 2014 IEEE Nuclear and Space Radiation Effects Conference, Jul 2014, Paris, France. pp.PG2. ⟨ujm-01027678⟩

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