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

页码：2511 / 2517

页数：7

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