Gamma radiation induced loss in erbium doped optical fibers

被引：17
作者：
Tortech, B.
Van Uffelen, M.
Gusarov, A.
Ouerdane, Y.
Boukenter, A.
Meunier, J. -P.
Berghmans, F.
Thienpont, H.
机构：
[1] Univ St Etienne, UMR CNRS 5516, LTSI, F-42000 St Etienne, France
[2] CEN SCK, B-2400 Mol, Belgium
[3] Vrije Univ Brussels, B-1050 Brussels, Belgium
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2007年 / 353卷 / 5-7期
关键词：
optical fibers; radiation effects; optical spectroscopy; luminescence;
D O I：
10.1016/j.jnoncrysol.2006.10.043
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：
Several single mode silica-based fibers with different levels of erbium concentrations have been tested under Co-60 gamma radiation. Irradiation has been performed at a dose-rate of similar to 30 Gy/h to a total dose of similar to 2 kGy. Transmission spectra were measured in situ in a spectral range from 1250 to 1630 nm. The measurements show no detectable change in the Er-ions luminescence and absorption spectrum profiles, while a significant (similar to dB/m/kGy at 1530 nm) increase in transmission losses is attributed to the silica host matrix modifications. This conclusion is drawn based on the post-irradiation photo-luminescence analyzes realized with a confocal micro-spectrometer (514.5 nm excitation, P similar to 2 mW). (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：477 / 480
页数：4
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