Highly sensitive type IA fiber Bragg gratings as sensors in radiation environments

被引：2

作者：

Faustov, A. ^{[1
,3
]}

Saffari, P. ^{[2
]}

Koutsides, C. ^{[2
,4
]}

Gusarov, A. ^{[1
]}

Wuilpart, M. ^{[3
]}

Megret, P. ^{[3
]}

Zhang, L. ^{[2
]}

Kalli, K. ^{[4
]}

机构：

[1] SCK CEN Belgian Nucl Res Ctr, Boeretang 200, B-2400 Mol, Belgium

[2] Aston Univ, Birmingham B4 7ET, England

[3] Univ Mons, Blvd Dolez 31, B-7000 Mons, Belgium

[4] Cyprus Univ Technol, 33 Saripolou St, CY-3036 Limassol, Cyprus

来源：

22ND INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS, PTS 1-3 | 2012年 / 8421卷

关键词：

Fiber Bragg gratings; ionizing radiation effects; fiber optic dosimetry;

D O I：

10.1117/12.975186

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

Type IA fiber gratings have unusual physical properties compared with other grating types. We compare with performance characteristics of Type IA and Type I Bragg gratings exposed to the effects of Co-60 gamma-irradiation. A Bragg peak shift of 190 pm was observed for Type IA gratings written in Fibercore PS-1250/1500 photosensitive fiber at a radiation dose of 116 kGy. This is the largest wavelength shift recorded to date under radiation exposure. The Type IA and Type I gratings show different kinetics under radiation and during post-radiation annealing; this can be exploited for the design of a grating based dosimetry system.

引用

页数：4

共 9 条

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