Influence of O2 -Loading Pretreatment on the Radiation Response of Pure and Fluorine-Doped Silica-Based Optical Fibers

Diego Di Francesca 1 S. Agnello 2 Sylvain Girard 1 Claude Marcandella 3 Philippe Paillet 3 Aziz Boukenter 1 Youcef Ouerdane 1 F. M. Gelardi 2
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
2 Università degli studi di Palermo - University of Palermo
3 DAM/DIF - DAM Île-de-France
Abstract : We investigated the impact of an oxygen preloading 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 pretreatment 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 increase 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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Journal articles
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https://hal-ujm.archives-ouvertes.fr/ujm-01185929
Contributor : Sylvain Girard <>
Submitted on : Saturday, August 22, 2015 - 10:28:03 AM
Last modification on : Tuesday, October 30, 2018 - 5:00:02 PM

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UNIV-ST-ETIENNE | CEA | LAHC | IOGS | PARISTECH | DAM

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Diego Di Francesca, S. Agnello, Sylvain Girard, Claude Marcandella, Philippe Paillet, et al.. Influence of O2 -Loading Pretreatment on the Radiation Response of Pure and Fluorine-Doped Silica-Based Optical Fibers . IEEE Transactions on Nuclear Science, Institute of Electrical and Electronics Engineers, 2014, 61 (6), pp.3302 - 3308. ⟨10.1109/TNS.2014.2357994⟩. ⟨ujm-01185929⟩

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