Defect radial repartitions in ultraviolet irradiated germanosilicate optical fibres

被引：9

作者：

Goutaland, F ^{[1
]}

Boukenter, A ^{[1
]}

Ouerdane, Y ^{[1
]}

机构：

[1] Lab Traitement Signal & Instrumentat, CNRS, UMR 5516, F-42023 St Etienne 02, France

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1999年 / 245卷

关键词：

D O I：

10.1016/S0022-3093(98)00877-1

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report experimental results about defects induced by ultraviolet light in germanosilicate optical fibres excited with argon laser light (457.9, 488 and 514.5 nm). A spatial filtering technique was developed and it allows us to separate the fibre core defects from those in the fibre cladding. The emission spectra show, unambigously, that some preexisting defects located in the fibre core are not sensitive to the ultraviolet irradiation while several kinds of photo-induced defects (Ge and Si oxygen deficient centres, germanium drawing induced defects and non bridging oxygen hole centres) are created in the fibres. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：110 / 114

页数：5

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