Structural defects in optical fiber glasses

Phosphorus doping to SiO 2-GeO 2 core glass in optical fiber raised hydrogen and radiation induced-loss increases. The precursor of germanium electron center ( Ġe ) and phosphorus associated center ( .P ) produced with the phosphorus doping was found to be origin of the raised induced-losses. Silico...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1987-12, Vol.95, p.647-654
Main Authors: Iino, Akira, Tamura, Junich, Ogai, Mikio
Format: Article
Language:English
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Summary:Phosphorus doping to SiO 2-GeO 2 core glass in optical fiber raised hydrogen and radiation induced-loss increases. The precursor of germanium electron center ( Ġe ) and phosphorus associated center ( .P ) produced with the phosphorus doping was found to be origin of the raised induced-losses. Silicon associated defect (Sidbnd;) generated from peroxy linkage during drawing process in optical fiber seemed to react with hydrogen to produce silylidyne group with absorption peak at 1.52 μm.
ISSN:0022-3093
1873-4812
DOI:10.1016/S0022-3093(87)80664-6