| 光纤辐照缺陷的电子自旋共振研究 |
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| 引用本文： | 刘方新,张辰华,金嗣昭,轩植华,李宗民. 光纤辐照缺陷的电子自旋共振研究[J]. 物理学报, 1994, 43(11): 1871-1875 |
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| 作者姓名： | 刘方新 张辰华 金嗣昭 轩植华 李宗民 |
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| 作者单位： | (1)中国科学技术大学基础物理中心; (2)中国科学院结构分析开放研究实验室 |
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| 摘 要： | 用电子自旋共振方法研究光纤的γ射线辐照缺陷情况。结果发现，射线辐照产生一系列同磁缺陷，缺陷中心的浓度随着辐照剂量的增加而增加；缺陷的种类主要是Ｅ＇心、非桥连氧空穴心和过氧根（ＯＨＣ）心，并对它们形成的机制进行了分析和讨论。关键词：
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| 关 键 词： | 光纤 γ射线 辐照缺陷 电子自旋 |
| 收稿时间： | 1992-06-23 |
ELECTRON SPIN RESONANCE STUDY ON RADIOLYTIC DEFECT IN OPTICAL FIBER |
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| LIU FANG-XIN,ZHANG CHEN-HUA,JIN SI-ZHA,XUAN ZHI-HUA and LI ZONG-MING. ELECTRON SPIN RESONANCE STUDY ON RADIOLYTIC DEFECT IN OPTICAL FIBER[J]. Acta Physica Sinica, 1994, 43(11): 1871-1875 |
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| Authors: | LIU FANG-XIN ZHANG CHEN-HUA JIN SI-ZHA XUAN ZHI-HUA LI ZONG-MING |
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| Abstract: | The γ-ray radiolytic defect in optical fiber has been studied by the electron spin resonance method. It is found that a series of paramagnetic defects have been formed by the γ-ray irradiation; the densities of the defect centers increase with the irradiation doses, and the types of defects are mainly the E′ center, the non-bridging oxygen hole center and the perody radical (OHC). The defects production mechanism is also discussed. |
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