Chinese Physics C > 2011, Vol. 35 > Issue(2): 188-192 DOI: 10.1088/1674-1137/35/2/016

Study on the HOMs coupler design of spoke cavity

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Abstract：
The superconducting spoke cavity has been proposed to accelerate the proton in the low energy section of high power proton linac for an Accelerator Driven Sub-critical System (ADS). Considering that the High Order Modes (HOMs) in the superconducting cavity have far reaching influence on power dissipation and beam stability, the analysis of HOMs of the spoke cavity is needed. In this paper, we put emphasis on the analysis of HOMs of the spoke cavity and the HOMs coupler design.

[1]	Xue-Fang Huang,Yi Sun,Guang-Wei Wang,Shao-Zhe Wang,Xiang Zheng,Qun-Yao Wang,Rong Liu,Hai-Ying Lin,Mu-Yuan Wang. Measurement of the transfer function for a spoke cavity of C-ADS Injector I. Chinese Physics C, 2017, 41(4): 047001.doi:10.1088/1674-1137/41/4/047001
[2]	Na Liu,Yi Sun,Guang-Wei Wang,Zheng-Hui Mi,Hai-Ying Lin,Qun-Yao Wang,Rong Liu,Xin-Peng Ma. Tuner control system of Spoke012 SRF cavity for C-ADS injector I. Chinese Physics C, 2016, 40(9): 097001.doi:10.1088/1674-1137/40/9/097001
[3]	Hong-Juan Zheng,Jie Gao,Zhen-Chao Liu. Cavity and HOM coupler design for CEPC. Chinese Physics C, 2016, 40(5): 057001.doi:10.1088/1674-1137/40/5/057001
[4]	ZHENG Hong-Juan,ZHAI Ji-Yuan,ZHAO Tong-Xian,GAO Jie. HOMs simulation and measurement results of IHEP02 cavity. Chinese Physics C, 2015, 39(11): 117006.doi:10.1088/1674-1137/39/11/117006
[5]	PENG Ying-Hua,ZHANG Xin-Ying,LI Han,SHA Peng,Li Zhong-Quan,PAN Wei-Min. Design of a 325 MHz SC Spoke040 cavity at IHEP. Chinese Physics C, 2014, 38(11): 117005.doi:10.1088/1674-1137/38/11/117005
[6]	YANG Zi-Qin,LU Xiang-Yang,YANG Liu,LUO Xing,ZHOU Kui,QUAN Sheng-Wen. A preliminary quadrupole asymmetry study of a Iβ=0.12 superconducting single spoke cavity. Chinese Physics C, 2014, 38(10): 107001.doi:10.1088/1674-1137/38/10/107001
[7]	CHEN Xu,MENG Fan-Bo,MA Qiang,HUANG Tong-Ming,LIN Hai-Ying,PAN Wei-Min. Coupler conditioning and high power testing of ADS Spoke cavity. Chinese Physics C, 2014, 38(2): 027001.doi:10.1088/1674-1137/38/2/027001
[8]	MENG Fan-Bo,CHEN Xu,PAN Wei-Min,HUANG Tong-Ming,MA Qiang,LIN Hai-Ying,PENG Xiao-Hua. Study and design of RF coupler for Chinese ADS HWR superconducting cavity. Chinese Physics C, 2014, 38(11): 117002.doi:10.1088/1674-1137/38/11/117002
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[10]	LIU Zhen-Chao,GAO Jie,LI Zhong-Quan,ZHAI Ji-Yuan,ZHAO Tong-Xian,LI Da-Zhang,LIU Yi-Lin,SUN Yi. ADS 650 MHz medium beta cavity study and design. Chinese Physics C, 2013, 37(1): 017005.doi:10.1088/1674-1137/37/1/017005
[11]	ZHAO Wei,TANG Xiao,SHI Rong-Jian,HOU Mi. Coupler design for an L-band electron linac. Chinese Physics C, 2012, 36(8): 765-768.doi:10.1088/1674-1137/36/8/015
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[13]	LIU Zhen-Chao. Design and study of a high-current 5-cell superconducting rf cavity. Chinese Physics C, 2010, 34(5): 603-605.doi:10.1088/1674-1137/34/5/018
[14]	YAO Zhong-Yuan,LU Xiang-Yang,ZHANG Bao-Cheng,QUAN Sheng-Wen,HE Fei-Si,ZHAO Kui. Analysis of the impacts of mechanical errors on the RF performance of a single spoke cavity. Chinese Physics C, 2010, 34(5): 576-579.doi:10.1088/1674-1137/34/5/012
[15]	WANG Er-Dong,WANG Fang,ZHANG Bao-Cheng,ZHAO Kui,,. Stop band characteristics of a TESLA cavity coaxial-type HOM coupler. Chinese Physics C, 2009, 33(5): 401-405.doi:10.1088/1674-1137/33/5/017
[16]	XIAO Yong-Chuan,FU Shi-Nian. Study on the Lorentz detuning and tuning of β=0.3, 352 MHz spoke cavity. Chinese Physics C, 2009, 33(9): 815-818.doi:10.1088/1674-1137/33/9/021
[17]	YAO Zhong-Yuan,LU Xiang-Yang,ZHAO Kui. Design of a 450 MHz β=0.2 single spoke cavity at PKU. Chinese Physics C, 2009, 33(4): 292-296.doi:10.1088/1674-1137/33/4/011
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[19]	ZHU Feng,QUAN Sheng-Wen,ZHAO Kui,CHEN Jia-Er. Study on High Order Modes of a β=0.45,f=350MHz Spoke Cavity. Chinese Physics C, 2006, 30(10): 1006-1009.
[20]	ZHU Feng,QUAN Sheng-Wen,WANG Li-Fang,ZHAO Kui,CHEN Jia-Rong. Design of a β=0.45, f=350 MHz Spoke Cavity. Chinese Physics C, 2005, 29(1): 77-80.

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XIAO Yong-Chuan, YIN Xue-Jun, MU Zhen-Cheng and FU Shi-Nian. Study on the HOMs coupler design of spoke cavity[J]. Chinese Physics C, 2011, 35(2): 188-192. doi: 10.1088/1674-1137/35/2/016

XIAO Yong-Chuan, YIN Xue-Jun, MU Zhen-Cheng and FU Shi-Nian. Study on the HOMs coupler design of spoke cavity[J]. Chinese Physics C, 2011, 35(2): 188-192. doi:10.1088/1674-1137/35/2/016 shu

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Received: 2010-05-12
Revised: 2010-06-02

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on the HOMs coupler design of spoke cavity

Received Date:2010-05-12
Accepted Date:2010-06-02
Available Online:2011-02-05

Abstract:The superconducting spoke cavity has been proposed to accelerate the proton in the low energy section of high power proton linac for an Accelerator Driven Sub-critical System (ADS). Considering that the High Order Modes (HOMs) in the superconducting cavity have far reaching influence on power dissipation and beam stability, the analysis of HOMs of the spoke cavity is needed. In this paper, we put emphasis on the analysis of HOMs of the spoke cavity and the HOMs coupler design.