Development of a 500 MHz high power RF test stand

PAN Wei-Min; HUANG Tong-Ming; MA Qiang; WANG Guang-Wei; LIN Hai-Ying; ZHAO Guang-Yuan; SUN Yi; XU Bo; WANG Qun-Yao; SHA Peng

doi:10.1088/1674-1137/36/4/011

Chinese Physics C> 2012, Vol. 36> Issue(4) : 355-361 DOI: 10.1088/1674-1137/36/4/011

Development of a 500 MHz high power RF test stand

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A flexible high power RF test stand has been designed and constructed at IHEP to test a variety of 500 MHz superconducting RF components for the upgrade project of the Beijing Electron Positron Collider (BEPCⅡ), such as the input coupler, the higher order modes (HOMs) absorber and so on. A high power input coupler has been conditioned and tested with the RF power up to 250 kW in continuous wave (CW), traveling wave (TW) mode and 150 kW CW in standing wave (SW) mode. A prototype of the HOMs absorber has been tested to absorb power of 4.4 kW. An introduction of the test stand design, construction and high power tests is presented in this paper.

References

[1]

LI Zhong-Quan, ZHANG Chuang. High Energy Physics and Nuclear Physics, 2003, 27(10): 919-925 (in Chinese)2 HUANG Tong-Ming. Study of High Power Input Coupler for Superconducting Cavity (PhD Thesis). April 2009. 853 Rusnak B,WANG F et al. High Power Coupler Component Test Stand Status and Results. Proceedings of PAC07, Albuquerque, New Mexico, USA4 HUANG Tong-Ming, PAN Wei-Min et al. Nuclear Instruments and Methods in Physics Research A, 2010, 623: 895-9025 Tsuyoshi Tajima. Development of Higher-Order-Modes (HOMs) Absorber for KEKB Superconducting Cavities (PhD Thesis). 1999. 116

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PAN Wei-Min, HUANG Tong-Ming, MA Qiang, WANG Guang-Wei, LIN Hai-Ying, ZHAO Guang-Yuan, SUN Yi, XU Bo, WANG Qun-Yao and SHA Peng. Development of a 500 MHz high power RF test stand[J]. Chinese Physics C, 2012, 36(4): 355-361. doi: 10.1088/1674-1137/36/4/011

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Received: 2011-07-05
Revised: 2011-07-25

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沈阳化工大学材料科学与工程学院沈阳 110142

Development of a 500 MHz high power RF test stand

Received Date: 2011-07-05
Accepted Date: 2011-07-25
Available Online: 2012-04-05

Abstract: A flexible high power RF test stand has been designed and constructed at IHEP to test a variety of 500 MHz superconducting RF components for the upgrade project of the Beijing Electron Positron Collider (BEPCⅡ), such as the input coupler, the higher order modes (HOMs) absorber and so on. A high power input coupler has been conditioned and tested with the RF power up to 250 kW in continuous wave (CW), traveling wave (TW) mode and 150 kW CW in standing wave (SW) mode. A prototype of the HOMs absorber has been tested to absorb power of 4.4 kW. An introduction of the test stand design, construction and high power tests is presented in this paper.