Coupler conditioning and high power testing of ADS Spoke cavity

被引：5
|
作者：
Chen Xu [1 ,2 ]
Meng Fan-Bo [1 ,2 ]
Ma Qiang [2 ]
Huang Tong-Ming [2 ]
Lin Hai-Ying [2 ]
Pan Wei-Min [2 ]
机构：
[1] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
CHINESE PHYSICS C | 2014年 / 38卷 / 02期
关键词：
coupler high power test; Spoke cavities; room temperature;
D O I：
10.1088/1674-1137/38/2/027001
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：
Power couplers, used in China-ADS proton linac injector I, are required to transfer 6 kW RF power to the superconducting Spoke cavities. At present, first the two couplers of a coaxial design have been fabricated, which accomplished a high power test at IHEP. The test results indicated that couplers of this design are qualified to deliver 10 kW RF power in continuous travelling wave mode. This paper describes the coupler's room temperature test procedures and results and discusses the original high power test, which was terminated due to serious out-gassing and after some modifications. In the final test, the couplers smoothly exceeded the design power level.
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页数：3
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