Development and simulation of a gridded thermionic cathode electron gun for a high-energy photon source

Sheng-Chang Wang; Da-Yong He; Cai Meng; Jing-Yi Li; Zu-Sheng Zhou; Jin-Dong Liu

doi:10.1007/s41365-023-01195-2

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Development and simulation of a gridded thermionic cathode electron gun for a high-energy photon source

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS | Updated：2023-04-20

- Development and simulation of a gridded thermionic cathode electron gun for a high-energy photon source
- Nuclear Science and Techniques Vol. 34, Issue 3, Article number: 39(2023)
- Affiliations：
  
  1.Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  * hedy@ihep.ac.cn,
  jingyili@ihep.ac.cn
- Funds：
- DOI：10.1007/s41365-023-01195-2
  CLC：
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Sheng-Chang Wang, Da-Yong He, Cai Meng, et al. Development and simulation of a gridded thermionic cathode electron gun for a high-energy photon source. [J]. Nuclear Science and Techniques 34(3):39(2023)
DOI：

Sheng-Chang Wang, Da-Yong He, Cai Meng, et al. Development and simulation of a gridded thermionic cathode electron gun for a high-energy photon source. [J]. Nuclear Science and Techniques 34(3):39(2023) DOI： 10.1007/s41365-023-01195-2.

摘要

Abstract

A gridded thermionic cathode electron gun was developed for the linear accelerator of the High Energy Photon Source (HEPS). An electron gun should provide a large maximum bunch charge with a wide adjustable range. To satisfy these requirements, the shape of the electrode was optimized using a multi-objective genetic algorithm. A large bunch charge with an adjustable range was achieved using the grid-limited gun, the flow of which was analyzed using 3-D simulations. The electron gun has been manufactured and tested, and the measured data of the grid-limited current and simulation results are compared and discussed in this study.

关键词

Keywords

Electron gunMulti-objective genetic algorithmGridCST

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