Improving the Radiation Resistance of the Fiber via Bismuth Depositing

IF 1.9 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Nuclear Science Pub Date : 2025-04-17 DOI:10.1109/TNS.2025.3561169

Zirui Chen;Jianxiang Wen;Bo Wang;Hairul Abdul Rashid;Yanhua Luo;Fufei Pang;Gang-Ding Peng;Tingyun Wang

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引用次数: 0

Abstract

Erbium-doped fiber (EDF), bismuth-erbium co-doped fiber (BEDF) without bismuth deposited bismuth on the fiber surface (BEDF1), and BEDF with bismuth deposited on the fiber surface (BEDF2) were fabricated. Leveraging the Geant4 toolkit, the theoretical models of BEDFs are established. When the thickness of the bismuth deposited layer is

$5~\mu $

m, the energy deposited in the core is reduced by 49.66% (5.91 MeV). The energy deposited in the core is reduced by 19.7% (1.06 MeV) when Bi3+ ions’ concentration is 10 wt%. EDF, BEDF1, and BEDF2 were irradiated with 0.3-, 0.5-, 0.8-, and 1.5-kGy doses of Co60 source. After radiation with 1.5 kGy, radiation-induced absorption (RIA) of BEDF2 at 1300 nm is 20.31% (1.01 dB/m) lower than that of BEDF1. The radiation induced gain variation (RIGV) and fluorescence lifetime of EDF are decreased with the increase in irradiation dose, while the RIGV and lifetime of BEDF1 and BEDF2 both increased initially and then decreased linearly. The normalized gain of BEDF2 is increased by up to 1.08 dB/m after 0.5-kGy radiation. Bismuth ions in the fiber core improve the radiation resistance of the fiber, and those deposited on the fiber surface further improve the radiation resistance. The research results have reference value and application potential in radiation environment detection and space satellite positioning.

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通过沉积铋提高光纤的抗辐射性能

制备了掺铒光纤（EDF）、未在光纤表面沉积铋的铋-铒共掺光纤（BEDF）（BEDF1）和表面沉积铋的掺铒光纤（BEDF2）。利用Geant4工具包，建立了bedf的理论模型。当铋层厚度为$5~\mu $ m时，沉积在堆芯中的能量降低了49.66% （5.91 MeV）。当Bi3+离子浓度为10 wt%时，堆芯沉积的能量降低了19.7% （1.06 MeV）。EDF、BEDF1和BEDF2分别用0.3、0.5、0.8和1.5 kgy剂量的Co60源照射。经1.5 kGy辐射后，BEDF2在1300 nm处的辐射诱导吸收（RIA）比BEDF1低20.31% （1.01 dB/m）。EDF的辐射诱导增益变化（RIGV）和荧光寿命随辐照剂量的增加而减小，而BEDF1和BEDF2的辐射诱导增益变化和荧光寿命均呈先增大后减小的线性关系。经过0.5 kgy的辐射后，BEDF2的归一化增益增加了1.08 dB/m。光纤芯内的铋离子提高了光纤的抗辐射性能，沉积在光纤表面的铋离子进一步提高了抗辐射性能。研究结果在辐射环境探测和空间卫星定位方面具有参考价值和应用潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Nuclear Science 工程技术-工程：电子与电气

CiteScore

3.70

自引率

27.80%

发文量

314

审稿时长

6.2 months

期刊介绍： The IEEE Transactions on Nuclear Science is a publication of the IEEE Nuclear and Plasma Sciences Society. It is viewed as the primary source of technical information in many of the areas it covers. As judged by JCR impact factor, TNS consistently ranks in the top five journals in the category of Nuclear Science & Technology. It has one of the higher immediacy indices, indicating that the information it publishes is viewed as timely, and has a relatively long citation half-life, indicating that the published information also is viewed as valuable for a number of years. The IEEE Transactions on Nuclear Science is published bimonthly. Its scope includes all aspects of the theory and application of nuclear science and engineering. It focuses on instrumentation for the detection and measurement of ionizing radiation; particle accelerators and their controls; nuclear medicine and its application; effects of radiation on materials, components, and systems; reactor instrumentation and controls; and measurement of radiation in space.