Stabilization of Fiber Bragg Gratings Against Gamma Radiation

被引：27

作者：

Gusarov, A. ^{[1
]}

Vasiliev, S. ^{[2
]}

Medvedkov, O. ^{[2
]}

Mckenzie, I. ^{[3
]}

Berghmans, F. ^{[1
]}

机构：

[1] CEN SCK, B-2400 Mol, Belgium

[2] Russian Acad Sci, Fiber Opt Res Ctr, Moscow 119333, Russia

[3] European Space Agcy, Estec, NL-2200 AG Noordwijk, Netherlands

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2008年 / 55卷 / 04期

关键词：

Annealing; fiber Bragg gratings; hydrogen loading; radiation effects;

D O I：

10.1109/TNS.2008.2001038

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：

The effect of gamma-radiation on the spectral characteristics of FBGs has been studied experimentally. The FBGs were fabricated in optical fibers with a GeO2 concentration in the core in a range from several to 99 mol.%. Various pre- and post-fabrication treatments were applied with the aim to improve the radiation tolerance of the FBGs. The best result was obtained for a Type IIa annealed grating written in SM310 fiber, where the Bragg peak shift saturated at a 12 pm level and an amplitude change of 0.04 dB with the maximal dose of about 50 kGy.

引用

收藏

页码：2205 / 2212

页数：8

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