PHOTODARKENING IN TB3+-DOPED PHOSPHOSILICATE AND GERMANOSILICATE OPTICAL FIBERS

被引：63

作者：

ATKINS, GR

CARTER, ALG

机构：

[1] Optical Fibre Technology Centre, University of Sydney, NSW

[2] Department of Physical and Theoretical Chemistry, University of Sydney

来源：

OPTICS LETTERS | 1994年 / 19卷 / 12期

关键词：

D O I：

10.1364/OL.19.000874

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The presence of Tb3+ is found to sensitize greatly phosphosilicate and germanosilicate optical fibers to photodarkening when they are exposed to 488-nm light. The darkening is a three-photon process and may involve the photoionization of Tb3+ to Tb4+. This sensitivity raises the possibility of side writing refractive-index gratings into silica-based optical fibers with 488-nm light.

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页码：874 / 876

页数：3

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