·光学元件激光损伤·综述·ICF装置靶场关键材料的辐照效应研究进展*冯青屹1，祖小涛1，刘春明1，黎波1，孙莉杰1，吴钰铃1，向霞1，袁晓东2，邓洪祥1，李莉1，于景侠1，徐世珍1，郑万国2（1.电子科技大学物理学院，成都611731；2.中国工程物理研究院激光聚变研究中心，四川绵阳621900）摘要：从惯性约束聚变（ICF）装置中靶场关键材料易受辐照损伤、从而限制材料使用寿命和装置稳定运行的现实问题出发，总结归纳了有关不锈钢、铝合金、终端光学组件三大类靶场关键材料的辐照效应研究进展，详细介绍了靶室内高能中子束、γ射线、X射线等高能粒子和射线引起靶室第一壁材料出现烧蚀、中子活化等辐照损伤问题，以及靶室环境对关键材料的影响和防护处理。此外，还阐述了打靶试验中所产生的复杂辐射环境、基频与三倍频激光对靠近靶室的终端光学组件所产生的各类辐照损伤现象和相关作用机理。关键词：惯性约束聚变；高功率激光；靶场材料；辐照效应；损伤机理中图分类号：TL632+.1文献标志码：Adoi:10.11884/HPLPB202335.230007ProgressofresearchonirradiationeffectsinkeymaterialsinICFfacilitiesFengQingyi1，ZuXiaotao1，LiuChunming1，LiBo1，SunLijie1，WuYuling1，XiangXia1，YuanXiaodong2，DengHongxiang1，LiLi1，YuJingxia1，XuShizhen1，ZhengWanguo2（1.SchoolofPhysics,UniversityofElectronicScienceandTechnologyofChina,Chengdu611731,China;2.LaserFusionResearchCenter,CAEP,Mianyang621900,China）Abstract：Thekeymaterialsnearthetargetchambersufferfromradiationdamageinthelaser-driveninertialconfinementfusion(ICF)facility,whichlimitsthelifetimeofmaterialsandstableoperationofICFfacility.Thisreviewsummarizestheprogressofresearchonirradiationeffectsofthreemajortypesofkeymaterialsinornearesttothetargetchamber:stainlesssteel,aluminumalloy,andfinalopticsassembly.Theablationandneutronactivationoffirst-wallmaterialsinthetargetchambercausedbyneutronbeam,γ-ray,X-rayandotherhigh-energyparticlesareintroducedandtheimpactofthetargetchamberenvironmentonthematerialsandcorrespondingprotectivestrategyareanalyzedindetail.Inaddition,variousradiationdamagephenomenaandrelateddamagemechanismsofthefinalopticsassemblynearthetargetchamberunder1ωlaser,3ωlaser,andthecomplexhigh-energyr...
