Radiation effects of 14 MeV neutrons on germanosilicate and phosphorus-doped multimode optical fibers

Abstract : We report the radiation-induced effects of 14 MeV neutrons on the transmission properties (300–900 nm) of germanosilicate (Ge) and phosphorus (P)-doped multimode optical fibers. We showed that all optical fibers, especially those containing P in their core or cladding, exhibit strong radiation-induced attenuation levels. Our results suggest that phosphorus- oxygen-hole centers govern the radiative response of P-codoped fibers in the visible to near-infrared range. Germanosilicate P-free fibers exhibit an induced attenuation decreasing from the ultraviolet to the near-infrared wavelengths that can be associated with GeX, Ge(1) and Ge-NBOH centers.
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Submitted on : Friday, November 13, 2009 - 12:18:17 PM
Last modification on : Wednesday, July 25, 2018 - 2:05:30 PM

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J. Bisutti, Sébastien Girard, J. Baggio. Radiation effects of 14 MeV neutrons on germanosilicate and phosphorus-doped multimode optical fibers. Journal of Non-Crystalline Solids, Elsevier, 2007, 353, pp.461-465. ⟨ujm-00431852⟩

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