Design and measurement of CTFEL magnets

YAN Longgang; CUI Yuzhu; ZHANG Hao; DENG Derong; LI Qing; ZHU Yingshun; YANG Xingfan; LI Ming

doi:10.11889/j.0253-3219.2019.hjs.42.100203

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Design and measurement of CTFEL magnets

ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS | 更新时间：2024-10-25

- Design and measurement of CTFEL magnets
- NUCLEAR TECHNIQUES Vol. 42, Issue 10, (2019)
- 作者机构：
  
  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
- 作者简介：
  
  YAN Longgang, male, born in 1986, graduated from Lanzhou University with a master's degree in 2010, focusing on free electron laser theory and technology
  DENG Derong, E-mail: lppmcm@163.com
- 基金信息：
  
  National Major Scientific Instruments and Equipment Development Project(2011YQ130018);National Natural Science Foundation Project of China(11505174;11505173;11605190)
- DOI：10.11889/j.0253-3219.2019.hjs.42.100203
  CLC： TL503.8
- Received：04 September 2018，
  
  Revised：28 April 2019，
  
  Published：13 October 2019
- 稿件说明：
移动端阅览
闫陇刚,崔玉柱,张浩等.CTFEL装置磁铁设计和测量[J].核技术,2019,42(10):13-18.

YAN Longgang,CUI Yuzhu,ZHANG Hao,et al.Design and measurement of CTFEL magnets[J].NUCLEAR TECHNIQUES,2019,42(10):13-18.
闫陇刚,崔玉柱,张浩等.CTFEL装置磁铁设计和测量[J].核技术,2019,42(10):13-18. DOI： 10.11889/j.0253-3219.2019.hjs.42.100203.

YAN Longgang,CUI Yuzhu,ZHANG Hao,et al.Design and measurement of CTFEL magnets[J].NUCLEAR TECHNIQUES,2019,42(10):13-18. DOI： 10.11889/j.0253-3219.2019.hjs.42.100203.

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。

Abstract

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 wide-spectrum 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

Keywords

references

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