Influence of the drawing process on the defect generation in multistep-index germanium-doped optical fibers

G. Origlio 1, 2 Marco Cannas 2 Sébastien Girard 3 R. Boscaino 2 A. Boukenter 1 Y. Ouerdane 1
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
2 DIPARTIMENTO DI SCIENZE FISICHE ED ASTRONOMICHE, UNIVERSITà DI PALERMO - Dipartimento di Scienze Fisiche ed Astronomiche, Università di Palermo
3 DCRE CEA - Département de Conception et Réalisation des Experimentations, CEA-DIF
Abstract : Variation of germanium lone pair center (GLPC) concentration in germanosilicate multistep-index optical fibers and preforms was studied using confocal microscopy luminescence technique. The experimental results provide evidence that in the central core region ([Ge] ~11 wt. % ) of our specific canonical samples the ratio [GLPC]/[Ge] is five times larger in fiber than in preforms. The relative influence of the glass composition and of the drawing process on the generation efficiency of the GLPC defects that drive the glass photosensitivity is discussed. The radial distribution of these defects suggests a possible enhancement of the defect creation related to the internal stress of the fiber core.
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Article dans une revue
Optics Letters, Optical Society of America, 2009, 34 (15), pp.2282-2284
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https://hal-ujm.archives-ouvertes.fr/ujm-00406329
Contributeur : Youcef Ouerdane <>
Soumis le : mardi 21 juillet 2009 - 19:21:02
Dernière modification le : jeudi 11 janvier 2018 - 06:20:34

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  • HAL Id : ujm-00406329, version 1

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CEA | UNIV-ST-ETIENNE | LAHC

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G. Origlio, Marco Cannas, Sébastien Girard, R. Boscaino, A. Boukenter, et al.. Influence of the drawing process on the defect generation in multistep-index germanium-doped optical fibers. Optics Letters, Optical Society of America, 2009, 34 (15), pp.2282-2284. 〈ujm-00406329〉

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