Comparison of Gamma-Radiation Induced Attenuation in Al-Doped, P-Doped and Ge-Doped Fibres for Dosimetry

被引：46
|
作者：
Faustov, A. V. [1 ,2 ,3 ]
Gusarov, A. [1 ]
Wuilpart, M. [2 ]
Fotiadi, A. A. [2 ,4 ,5 ]
Liokumovich, L. B. [3 ]
Zolotovskiy, I. O. [5 ]
Tomashuk, A. L. [5 ,6 ]
de Schoutheete, T. [7 ]
Megret, P. [2 ]
机构：
[1] SCK CEN Belgian Nucl Res Ctr, B-2400 Mol, Belgium
[2] Univ Mons, B-7000 Mons, Belgium
[3] St Petersburg State Polytech Univ, St Petersburg 195251, Russia
[4] RAS, AF Ioffe Phys Tech Inst, St Petersburg, Russia
[5] Ulyanovsk State Univ, Ulyanovsk 432970, Russia
[6] RAS, Fibre Opt Res Ctr, Moscow 119333, Russia
[7] Laborelec, B-1630 Linkebeek, Belgium
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2013年 / 60卷 / 04期
关键词：
Al-doped fibres; fibre optic dosimetry; highly radiation sensitive fibres; P-doped fibres; OPTICAL-FIBERS; INDUCED LOSSES; CORE;
D O I：
10.1109/TNS.2013.2273273
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：
We have investigated radiation induced absorption in Al-doped, P-doped and Ge-doped optical fibres under Co-60 source gamma-radiation up to a total dose of 71 kGy at two temperatures 30 and 80 degrees C. The Al-doped and P-doped fibres demonstrated high radiation sensitivity required for the optical fibre dosimetry. The RIA response to temperature increase from 30 to 80 degrees C depended on the dopant. In Al-doped fibres the absorption level decreased by 25% whereas in P-doped fibres it increased by at least 10%. For comparison we also tested standard telecom-grade Ge-doped fibres. Such fibres demonstrated a monotonous rise of the RIA during the whole irradiation with a small decrease of sensitivity at the higher temperature.
引用
收藏
页码：2511 / 2517
页数：7
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