Simulation studies on two-frequency RF gun

被引：0

作者：

李达 ^{[1
,2
]}

方文程 ^{[1
]}

顾强 ^{[1
]}

王震 ^{[1
,2
]}

张猛 ^{[1
]}

谭建豪 ^{[1
,2
]}

王超鹏 ^{[1
,2
]}

赵振堂 ^{[1
]}

机构：

[1] Shanghai Institute of Applied Physics,Chinese Academy of Sciences

[2] University of Chinese Academy of Sciences

来源：

Nuclear Science and Techniques | 2014年 / 25卷 / 04期

关键词：

RF gun; Two-frequency; Traverse emittance; Emittance compensation; Energy spread; Bunch compression;

D O I：

10.13538/j.1001-8042/nst.25.040101

中图分类号：

TL503 [加速器结构和制造工艺];

学科分类号：

082701 ;

摘要：

Photocathode RF gun is widely used for particle accelerators as an electron source.When driving an RF electron gun at the fundamental frequency and a higher harmonic frequency simultaneously with proper field ratio and relative phase,it generates electron beams of ultralow emittance and a linear longitudinal phase space distribution.Such a gun provides high quality electron beam with low energy spread,small traverse emittance and high brightness.In this paper,the RF design of a 1.5 cell cavity is presented.Simulation results of beam dynamics for the two-frequency gun and a standard single-frequency RF gun are also shown in this paper.In addition,bunch compression with a two-frequency gun is explored.

引用

页码：3 / 7

页数：5

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