CTFEL装置磁铁设计和测量  

Design and measurement of CTFEL magnets

作　　者：闫陇刚[1] 崔玉柱[1] 张浩[1] 邓德荣[1] 李青[2,3] 朱应顺 杨兴繁[1] 黎明[1] YAN Longgang;CUI Yuzhu;ZHANG Hao;DENG Derong;LI Qing;ZHU Yingshun;YANG Xingfan;LI Ming(Institute of Applied Electronic,China Academy of Engineering Physics,Mianyang 621900,China;Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China;Dongguan Neutron Science Center,Dongguan 523803,China)

机构地区：[1]中国工程物理研究院应用电子学研究所,绵阳621900 [2]中科院高能物理研究所,北京100049 [3]东莞中子科学中心,东莞523803

出　　处：《核技术》2019年第10期13-18,共6页Nuclear Techniques

基　　金：国家重大科学仪器设备开发专项(No.2011YQ130018);国家自然科学基金(No.11505174、No.11505173、No.11605190)资助~~

摘　　要：中国工程物理研究院太赫兹自由电子激光装置CTFEL(China Academy of Engineering Physics Terahertz Free Electron Laser,CAEP THz FEL)是国内首台可为用户提供高功率和宽谱太赫兹波的科学设施,CTFEL作为基于加速器的辐射源,磁铁是电子束团的传输、测量和操纵的重要部件之一。根据CTFEL装置磁铁的指标参数设计了磁铁,针对设计中遇到的问题,阐述了解决思路,测量了磁场分布、积分场分布、横向场分布和磁轴等,测试结果表明:所有磁铁都满足了指标要求。目前磁铁已经全部完成了安装和调试,保障了CTFEL装置的顺利出光。[Background]China Academy of Engineering Physics THz Free electron laser(CAEP THz FEL),referred to as CTFEL,is the first scientific facility in China that can provide users with high power and widespectrum terahertz waves.As an accelerator-based radiation source,magnet is one of the most important components for the transportation,measurement and manipulation of electron bunch.[Purpose]This study aims at the design and measurement of magnets to satisfy that requirements of CTFEL.[Methods]According to the specifications of CTFEL magnets,the magnet system was designed to consist three solenoids,three 45°dipoles,one 90°dipole,six circular quadrupoles and six square quadrupoles.The problems of design and their solution schemes were described.The magnetic field distribution,integral field distribution,transverse field distribution and magnetic axis were measured.[Results&Conclusion]The test results show that all magnets satisfied the specification requirements.At present,all magnets have been completely installed and commissioned to ensure the laser operation of the CTFEL facility.

关 键 词：CTFEL 磁铁 结构设计 磁场测量 

分 类 号：TL503.8[核科学技术—核技术及应用]