Correlation between radiation-induced defects, and optical properties of pure fused silica-core optical fiber, under gamma-ray irradiation in air at 1273 K

被引：7
|
作者：
Tsuchiya, B. [1 ]
Kondo, S. [2 ]
Tsurui, T. [2 ]
Toh, K. [3 ]
Nagata, S. [2 ]
Shikama, T. [2 ]
机构：
[1] Meijo Univ, Fac Sci & Technol, Dept Gen Educ, Nagoya, Aichi, Japan
[2] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan
[3] Japan Atom Energy Agcy, Tokai Res Estab, Tokai, Ibaraki 3191195, Japan
来源：
JOURNAL OF NUCLEAR MATERIALS | 2011年 / 417卷 / 1-3期
关键词：
TEMPERATURE; WAVEGUIDES; ABSORPTION; OH;
D O I：
10.1016/j.jnucmat.2010.12.164
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Radiation-induced effects on optical properties such as thermoluminescence and optical absorption of pure fused silica-core optical fibers were investigated in situ under gamma-ray irradiation at 0.16 mGy/s and 1273 K in air. The intensities of broad optical transmission peaks below 900 nm decreased due to appearances of non-bridging oxygen hole center (NBOHC), oxygen deficiency centers (ODCs), and optical leakage with increasing annealing time. The intensities of optical absorption and luminescence characteristics peaks at 1390 nm were enhanced by the increment of Si-OH concentration due to the reaction of water vapor or hydrogen with NBOHC, ODCs, and SiO(2) glass network. In addition, high resolution-transmission electron microscopy (HR-TEM) showed that SiO(2) crystals approximately 10 nm in diameter were formed in the clad and core of the irradiated optical fiber. The crystallization of the SiO(2) glass network had greater influence on the optical transmission and luminescence properties. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：810 / 813
页数：4
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