Influence of temperature and dose rate on radiation-induced attenuation at 1542 nm in fluorine-doped fibers

被引：5

作者：

Gallet, Antoine ^{[1
]}

Caussanel, Matthieu ^{[1
]}

Gilard, Olivier ^{[2
]}

Duval, Herve ^{[1
]}

Eynard, Julien ^{[1
]}

Djama, Kadar Mahamoud ^{[1
]}

Thil, Stephane ^{[1
]}

Grieu, Stephane ^{[1
]}

Grimaud, Thomas ^{[3
]}

Pastouret, Alain ^{[4
]}

机构：

[1] PROMES CNRS Lab, F-66100 Perpignan, France

[2] CNES, BPI 1412, Ctr Natl Etud Spatiales, 18 Av E Belin, F-31401 Toulouse 9, France

[3] Prysmian SpA, Viale Sarca 222, I-20126 Milan, Italy

[4] Draka Comteq France SAS, Parc Ind Artois Flandres,644 Blvd Est, F-62138 Billy Berclau, Haisnes, France

来源：

APPLIED OPTICS | 2021年 / 60卷 / 16期

关键词：

SELF-TRAPPED HOLES; OPTICAL-FIBERS; INDUCED ABSORPTION; GAMMA-RAY; SILICA; IRRADIATION; DEPENDENCE; DEFECTS;

D O I：

10.1364/AO.426648

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Radiation-induced attenuation (RIA) at 1542 nm of fluorine-doped fibers under gamma radiation source has been investigated for different dose rates and temperatures. Both the temperature and dose rate dependencies are unusual. First, the fiber presents an enhanced low dose rate sensitivity that is favored by increasing temperature. Furthermore, in certain conditions, RIA increases with irradiation temperature, which is a very rare phenomenon. We have built a phenomenological model that shows that these behaviors can be explained considering that two color centers previously identified in the literature are responsible for RIA: inherent and strain-assisted self-trapped holes. (C) 2021 Optical Society of America

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页码：4841 / 4847

页数：7

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