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.
引用
收藏
页码：874 / 876
页数：3
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