Design and simulation of a new type of 500 MHz single-cell superconducting RF cavity

被引：3

作者：

Lu Chang-Wang ^{[1
,2
,3
]}

Liu Jian-Fei ^{[1
,3
]}

Hou Hong-Tao ^{[1
,3
]}

Ma Zhen-Yu ^{[1
,3
]}

Mao Dong-Qing ^{[1
,3
]}

Feng Zi-Qiang ^{[1
,3
]}

Zhao Shen-Jie ^{[1
,3
]}

Luo Chen ^{[1
,3
]}

Zhao Yu-Bin ^{[1
,3
]}

Zhang Zhi-Gang ^{[1
,2
,3
]}

Zheng Xiang ^{[1
,3
]}

Wei Ye-Long ^{[1
,2
,3
]}

Yu Hai-Bo ^{[1
,2
,3
]}

Li Zheng ^{[1
,3
]}

Xu Kai ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

[3] Shanghai Key Lab Cryogen & Superconducting RF Tec, Shanghai 201800, Peoples R China

来源：

CHINESE PHYSICS C | 2012年 / 36卷 / 05期

关键词：

500 MHz superconducting cavity; higher order modes; input coupler; simulation;

D O I：

10.1088/1674-1137/36/5/012

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

This paper illustrates the design and simulation of a unique 500 MHz single-cell superconducting radio frequency cavity with a fluted beam pipe and a coaxial-type fundamental power coupler. The simulation results show that the cavity has a high r/Q value, a low peak surface field and a large beam aperture, so it can be a candidate cavity for high current accelerators. With the help of a fluted beam tube, almost all the higher order modes can propagate out of the cavity, especially the first two dipole modes, TE111 and TM110, and the first higher monopole mode, TM011. The external quality factor of the coaxial fundamental power coupler is optimized to 1.2x10(5), which will be useful when it is applied in the light source storage ring.

引用

页码：447 / 451

页数：5

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