Radiation-induced loss of Rare Earth doped silica fibres

被引：74
|
作者：
Henschel, H [1 ]
Kohn, O
Schmidt, HU
Kirchhof, J
Unger, S
机构：
[1] Fraunhofer INT, D-53879 Euskirchen, Germany
[2] Inst Phys Hochtechnol, D-07743 Jena, Germany
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1998年 / 45卷 / 03期
关键词：
D O I：
10.1109/23.685238
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Eighteen single mode fibres doped with different Rare Earth elements are exposed to Co-60 gamma radiation in order to estimate the radiation sensitivity of fibre amplifiers or fibre lasers and to find fibres with extremely high loss increase that are suited fur dosimetry of low radiation levels. Induced loss measurements with varying dose rate confirmed the applicability of a simple dose rate tranformation method also to Rare Earth doped fibres. Operation of a "distributed" fibre optic radiation sensor is demonstrated at a dose rate of less than 0.1 Gy/d.
引用
收藏
页码：1552 / 1557
页数：6
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