C-ADS注入器Ⅱ项目RFQ射频系统介绍

孙列鹏; 石爱民; 张周礼; 施龙波; 徐显波; 李晨星; 王文斌; 卢亮

doi:10.11884/HPLPB201729.160545

强激光与粒子束

C-ADS注入器Ⅱ项目RFQ射频系统介绍

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孙列鹏, 石爱民, 张周礼, 施龙波, 徐显波, 李晨星, 王文斌, 卢亮. 2017: C-ADS注入器Ⅱ项目RFQ射频系统介绍, 强激光与粒子束, 29(6): 108-116. doi: 10.11884/HPLPB201729.160545

引用本文:

Sun Liepeng, Shi Aimin, Zhang Zhouli, Shi Longbo, Xu Xianbo, Li Chenxing, Wang Wenbin, Lu Liang. 2017: Overview of RF system for C-ADS injector Ⅱ radio frequency quadrupole, High Power Lase and Particle Beams, 29(6): 108-116. doi: 10.11884/HPLPB201729.160545

Citation:

Sun Liepeng, Shi Aimin, Zhang Zhouli, Shi Longbo, Xu Xianbo, Li Chenxing, Wang Wenbin, Lu Liang. 2017: Overview of RF system for C-ADS injector Ⅱ radio frequency quadrupole, High Power Lase and Particle Beams, 29(6): 108-116. doi: 10.11884/HPLPB201729.160545

C-ADS注入器Ⅱ项目RFQ射频系统介绍

中国科学院近代物理研究所,兰州,730000

Overview of RF system for C-ADS injector Ⅱ radio frequency quadrupole

摘要: C-ADS注入器Ⅱ的RFQ射频系统是该强流加速器的关键一环,它通过两台完全一样的耦合器为一台四边形四翼型RFQ提供和传送功率.该射频系统在设计之初就考虑为10 mA连续束流而进行特殊优化,从功率源、耦合器和功率传输系统几个方面对其进行详细介绍,尤其是针对CW模式下的系统稳定运行以及设备可靠性等方面进行的特殊考虑和模拟方法.该系统已经在2015年通过了10 mA连续束的测试,证实了该射频系统的设计和调试符合物理的实验需求.特别阐述了该系统中一种新的碗型陶瓷窗耦合器的设计思路和一种无环形器情况下的特殊的耦合系数调谐方法,同时推导了双端口耦合的计算方法的具体设置过程.
- 射频系统 /
- 射频四极铁加速腔 /
- 耦合器 /
- 传输线 /
- 调谐方法 /
- 双端口耦合设置
Abstract: The RF system is a key part of the high intensity RFQ (Radio Frequency Quadrupole) accelerator in the project of Chinese Accelerator Driven System (C-ADS),which provides and transfers power for a quadrilateral four-vane resonator with two coupling ports.A special scheme was considered for accelerating 10 mA proton beam since the beginning of RFQ design.In this paper,the strategy for RF system,which is very important for demand of CW (continuous wave) operating mode,is considered;performance of the elements including an RF amplifier,couplers and a transmission system will be calculated and analyzed carefully to ensure they can operate reliably and safely.A test with 10 mA CW proton beam was carried out in 2015 to verify the design and configuration.Specially,a new kind of coupler with bowl-shaped ceramic window and a novel tuning method without circulator during beam commissioning are presented in detail,and the specific two-port configuration is deduced for accelerator operation firstly.

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C-ADS注入器Ⅱ项目RFQ射频系统介绍

中国科学院近代物理研究所,兰州,730000

关键词:

摘要: C-ADS注入器Ⅱ的RFQ射频系统是该强流加速器的关键一环,它通过两台完全一样的耦合器为一台四边形四翼型RFQ提供和传送功率.该射频系统在设计之初就考虑为10 mA连续束流而进行特殊优化,从功率源、耦合器和功率传输系统几个方面对其进行详细介绍,尤其是针对CW模式下的系统稳定运行以及设备可靠性等方面进行的特殊考虑和模拟方法.该系统已经在2015年通过了10 mA连续束的测试,证实了该射频系统的设计和调试符合物理的实验需求.特别阐述了该系统中一种新的碗型陶瓷窗耦合器的设计思路和一种无环形器情况下的特殊的耦合系数调谐方法,同时推导了双端口耦合的计算方法的具体设置过程.

English Abstract

Overview of RF system for C-ADS injector Ⅱ radio frequency quadrupole

中国科学院近代物理研究所,兰州,730000

Keywords:

Abstract: The RF system is a key part of the high intensity RFQ (Radio Frequency Quadrupole) accelerator in the project of Chinese Accelerator Driven System (C-ADS),which provides and transfers power for a quadrilateral four-vane resonator with two coupling ports.A special scheme was considered for accelerating 10 mA proton beam since the beginning of RFQ design.In this paper,the strategy for RF system,which is very important for demand of CW (continuous wave) operating mode,is considered;performance of the elements including an RF amplifier,couplers and a transmission system will be calculated and analyzed carefully to ensure they can operate reliably and safely.A test with 10 mA CW proton beam was carried out in 2015 to verify the design and configuration.Specially,a new kind of coupler with bowl-shaped ceramic window and a novel tuning method without circulator during beam commissioning are presented in detail,and the specific two-port configuration is deduced for accelerator operation firstly.

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C-ADS注入器Ⅱ项目RFQ射频系统介绍

Overview of RF system for C-ADS injector Ⅱ radio frequency quadrupole

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C-ADS注入器Ⅱ项目RFQ射频系统介绍

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Overview of RF system for C-ADS injector Ⅱ radio frequency quadrupole

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