激光辐照提高CdZnTe的辐射硬度

IEEE Nuclear Science Symposuim & Medical Imaging Conference Pub Date : 2010-10-01 DOI:10.1109/NSSMIC.2010.5873918

A. Medvid, A. Mychko, E. Dauksta, Y. Naseka, J. Crocco, E. Dieguez

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引用次数: 2

摘要

本工作的目的是研究利用激光辐射提高Cd0.9Zn0.1 Te晶体辐射硬度的可能性。采用脉冲Nd:YAG激光瞄准。采用光致发光法对实验中γ射线辐照前后的晶格缺陷进行了估计。实验结果表明，激光辐照强度为1.20 ~ 1.80 MW/cm2后，CdZnTe晶体的辐射硬度有所提高。

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Increased radiation hardness of CdZnTe by laser radiation

The aim of this work is to study the possibility to increase the radiation hardness of Cd0.9Zn0.1 Te crystal using laser radiation. Pulsed Nd:YAG laser for this aim was used. Estimation of the crystalline lattice defects before and after irradiation by γ-ray using photoluminescence method in the experiments was applied. Experimental results showed the increase of the radiation hardness of CdZnTe crystal after irradiation by laser at intensity 1.20–1.80 MW/cm2.

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IEEE Nuclear Science Symposuim & Medical Imaging Conference

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