螺旋波负离子源应用于中性束注入研究进展  

Research Progress of Helicon Negative Ion Sources for NBI

作　　者：屈宇琛 刘智民 韦江龙[1] 潘军军 刘波 蒋才超 谢远来[1,2] QU Yuchen;LIU Zhimin;WEI Jianglong;PAN Junjun;LIU Bo;JIANG Caichao;XIE Yuanlai(Institute of Plasma Physics,Hefei Institutes of Physical Science,Chinese Academy of Sciences,Hefei 230031,China;University of Science and Technology of China,Hefei 230026,China)

机构地区：[1]中国科学院合肥物质科学研究院等离子体物理研究所,合肥230031 [2]中国科学技术大学,合肥230026

出　　处：《现代应用物理》2024年第6期65-75,共11页Modern Applied Physics

基　　金：国家自然科学基金资助项目(11975263,11975264);国家重大科技基础设施建设资助项目(2018-000052-73-01-001228)。

摘　　要：螺旋波等离子体源具有电离效率高、等离子体密度大等优点,应用于核聚变实验装置的中性束负离子源系统中,还具有降低电子温度、利于负离子引出的特殊优势。本文综述了中性束注入螺旋波等离子体源的基本原理和研究进展;结合理论和实验,分析比较了螺旋波等离子体源各项参数件对放电特性的影响。当前开展了小功率源向中等功率源过渡的相关研究,将为未来大功率螺旋波离子源的发展提供参考。Helicon plasma has the advantages of high ionization efficiency and high plasma density.It also has the special advantages of reducing electron temperature and negative ions extraction when applied to neutron beam injection(NBI)negative ion source for nuclear fusion facility.The basic principle of NBI negative ion source and the research progress of the helicon plasma source for NBI is reviewed.The influence of various parameters of the helicon plasma source on the discharge characteristics is analyzed and compared by theory and experiment.The current research transitions from low-power sources to medium-power sources,which lays a foundation for the development of high-power spiral wave ion sources in the future.

关 键 词：螺旋波 负离子源 耦合机制 中性束注入 等离子体 

分 类 号：TL62[核科学技术—核技术及应用] O571[理学—粒子物理与原子核物理]