Role of Inherent Radiation-Induced Self-Trapped Holes in Pulsed-Radiation Effect on Pure-Silica-Core Optical Fibers

被引:14
|
作者
Tomashuk, Alexander L. [1 ]
Filippov, Alexey V. [2 ]
Kashaykin, Pavel F. [1 ]
Bychkova, Ekaterina A. [2 ]
Galanova, Sofiya V. [2 ]
Tatsenko, Olga M. [2 ]
Kuzyakina, Natalya S. [2 ]
Zverev, Oleg V. [2 ]
Salgansky, Mikhail Y. [3 ]
Abramov, Alexey N. [3 ]
Guryanov, Alexey N. [3 ]
Dianov, Evgeny M. [1 ]
机构
[1] Russian Acad Sci, Fiber Opt Res Ctr, Moscow 119333, Russia
[2] All Russian Sci Res Inst Expt Phys, Russian Fed Nucl Ctr, Sarov 607188, Russia
[3] Russian Acad Sci, GG Devyatykh Inst Chem High Pur Subst, Nizhnii Novgorod 603950, Russia
基金
俄罗斯科学基金会;
关键词
Optical fiber radiation resistance; pulsed radiation; radiation-induced attenuation (RIA); INDUCED ABSORPTION-BANDS; X-RAY; DOSE-RATE; RESPONSES;
D O I
10.1109/JLT.2018.2884078
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
Radiation-induced attenuation (RIA) is investigated in pure-silica-core optical fibers (PSFs) upon their pulsed-X-ray irradiation. RIA at small post-pulse times (t <= 0.001-0.1 s) is argued to be mainly due to inherent self-trapped holes (STHs), whereas at large times, due to strain-assisted STHs, as shown by Girard et al. Significant suppression of inherent STHs is found to occur in PSFs upon pulsed pre-irradiation with a dose of just similar to 100-200 Gy. Thus, a radiation-hardening effect is revealed for the first time, which is of practical value for PSFs to be exposed to pulsed irradiation. Fiber drawing temperature T-d is found to have an essential effect on RIA upon pulsed irradiation. The optimal T-d values are estimated for PSF applications at small (t < 0.01 s) and large (t > 0.01 s) post-pulse times.
引用
收藏
页码:956 / 963
页数:8
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