Radiation-induced defects in fluorine-doped silica-based optical fibers: Influence of a pre-loading with H2

被引：18
|
作者：
Girard, S. [1 ]
Marcandella, C. [1 ]
Origlio, G. [2 ,3 ]
Ouerdane, Y. [2 ]
Boukenter, A. [2 ]
Meunier, J. -P. [2 ]
机构：
[1] DIF, CEA, F-91297 Arpajon, France
[2] CNRS, UMR 5516, Lab H Curien, F-42000 St Etienne, France
[3] Univ Palermo, Dipartimento Sci Fis & Astron, I-90123 Palermo, Italy
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2009年 / 355卷 / 18-21期
关键词：
Optical fibers; Radiation effects; Optical spectroscopy; Absorption; INDUCED ABSORPTION; SIO2; IRRADIATION;
D O I：
10.1016/j.jnoncrysol.2008.11.035
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 investigated the effects of 10-keV X-ray radiation on the transmission properties of F-doped optical fibers in the 200-850 nm range of wavelengths (1.5-6 eV). We also studied the influence of pre-loading this kind of fibers with hydrogen on its radiation sensitivity. Our results showed that, for our experimental conditions (pre-treatment with H-2 several months before irradiation with diffusion of all the H-2 Out the fiber core and cladding before X-ray exposure), this pre-treatment increases the radiation-induced attenuation in the ultraviolet part (200-300 nm) of the spectrum. A previous H-2-loading has no influence at greater wavelengths. The nature of the radiation-induced point defects is discussed from the decomposition analysis of the attenuation spectra with Gaussian bands. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1089 / 1091
页数：3
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