摘要
近年来,对紧凑、稳定及可靠型电子直线加速器的需求越来越多,其能量主要分布在几百keV到十几个MeV的范围内,其中需求最多的则是能量在MeV量级的微波电子直线加速器。在这种形势下,中国科学院高能物理研究所正在研制一台S波段6 MeV的边耦合电子直线加速器,本文对基于该加速器的模拟计算研究进行了介绍。EGUN和HFSS分别用来设计电子枪和边耦合加速结构。通过将EGUN计算得到的电子束流参数和HFSS计算得到的三维电磁场分布数据引入到PARMELA中,完成了对该加速器的多粒子动力学研究。模拟结果显示,所设计的加速器完全能够满足设计指标的要求。最终,在考虑束流负载效应的因素后,完成了边耦合加速结构的微波结构设计。
Nowadays, the demands for compact, stable and reliable electron accelerators with energies ranging from several hundred keV to a few MeV are growing tremendously, especially the RF electron linacs in the MeV energy range. In this situation, Institute of High Energy Physics（IHEP） is developing an S-band 6 MeV side coupled electron linac. This paper presents the start-to-end simulation studies on this linac. The e- lectron gun and the side coupled accelerating structure were modeled by EGUN and HFSS, respectively. By in- troducing the electron beam parameters calculated by EGUN and the 3D RF electromagnetic data of HFSS sim- ulation into PARMELA, multi-particle beam dynamics studies for the linac were carried out. The simulation re- sults show that the beam quality at the linac exit is acceptable. A 3D RF design of the side coupled accelerating structure was also investigated by taking the beam loading effect into consideration.
出处
《强激光与粒子束》
EI
CAS
CSCD
北大核心
2017年第4期104-110,共7页
High Power Laser and Particle Beams
基金
Supported by the National Natural Science Foundation of China(11475201)
the Youth Innovation Promotion Association of Chinese Academy of Sciences,China
