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几种光学材料γ总剂量辐射效应

Total ionizing dose effects of optical materials in solid state laser

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摘要

针对应用于某种全固化激光器的4种关键光学材料Nd:YAG晶体、Cr:YAG晶体、无膜窗口玻璃(UBK7)以及部分反射镀膜玻璃在γ总剂量辐照前后光学特性的变化情况,分析获得了几种光学材料的γ总剂量辐照效应,并对该全固化激光器抗γ总剂量辐射能力进行了预估。实验结果表明:Nd:YAG晶体对γ总剂量辐照敏感,抗辐射性能较差,不宜用于在较强辐射环境下工作的固态激光器设计,而Cr:YAG、无膜窗口玻璃以及部分反射镀膜玻璃γ总剂量辐照后性能参数变化小,抗辐射性能良好,可考虑在较强γ辐射环境下工作的全固化激光器设计选用。

Abstract

Changes of the transmittance of several optical materials used in some solid state laser design are measured in total ionizing dose irradiation experiment. The radiation effects of these optical materials are obtained through analysis, and the abilities of anti-total ionizing dose irradiation for the solid state laser are estimated. The experimental results indicate that, Nd:YAG is susceptive to theγrays irradiation, which would lead to the decline of laser transmittance and permeability significantly, therefore, Nd:YAG does not meet the requirements of the laser design; while for UBK7,plated UBK7 and Cr:YAG, their transmittance and permeability show little changes underγ rays irradiation,and they are suitable for engineering design.

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中图分类号:TN432

DOI:10.11805/tkyda201605.0811

所属栏目:微电子、微系统与物理电子学

收稿日期:2015-06-10

修改稿日期:2015-08-30

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作者单位    点击查看

王 艳:中国工程物理研究院 电子工程研究所,四川 绵阳 621999
严雄伟:中国工程物理研究院 激光聚变研究中心,四川 绵阳 621999
郑建刚:中国工程物理研究院 激光聚变研究中心,四川 绵阳 621999

联系人作者:王 艳(470207577@qq.com)

备注:王 艳(1980–), 女, 陕西省咸阳市人, 副研究员, 主要研究方向为抗辐射电子学与加固技术.

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引用该论文

WANG Yan,YAN Xiongwei,ZHENG Jiangang. Total ionizing dose effects of optical materials in solid state laser[J]. Thz, 2016, 14(5): 811-815

王 艳,严雄伟,郑建刚. 几种光学材料γ总剂量辐射效应[J]. 太赫兹科学与电子信息学报, 2016, 14(5): 811-815

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