Study and design of RF coupler for Chinese ADS HWR superconducting cavity

MENG Fan-Bo; CHEN Xu; PAN Wei-Min; HUANG Tong-Ming; MA Qiang; LIN Hai-Ying; PENG Xiao-Hua

doi:10.1088/1674-1137/38/11/117002

Chinese Physics C> 2014, Vol. 38> Issue(11) : 117002 DOI: 10.1088/1674-1137/38/11/117002

Study and design of RF coupler for Chinese ADS HWR superconducting cavity

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Abstract：
An RF power coupler is a key component of the superconducting accelerating system in Chinese ADS proton linac injector I, which is used to transmit 15 kW RF power from the power source to the superconducting HWR cavity. According to the requirement of working frequency, power level, transmission capability and cooling condition, the physics design of coupler has been finished, which includes RF structure optimization, thermal simulation, thermal stress analysis and so on. Based on this design, the prototype of HWR coupler has been fabricated, and it has successfully passed the high power test.

References

[1]

Jenhani H, Bosland P, Brédy P. et al. Status of The CW Power Couplers for The SRF Linac of The IFMIF Project. Proceedings of IPAC'10. Kyoto, Japan[2] HUANG Tong-Ming, MA Qiang, PAN Wei-Min et al. Chinese Physics C (HEP NP), 2008, 32: 766-768[3] Hiroshi Sakai, Takaaki Furuya, Shogo Sakanaka et al. Power Coupler Development for ERL Main Linac In Japan. Proceedings of IPAC'10. Kyoto, Japan[4] HUANG Tong-Ming. Study of High Power Input Coupler for Superconducting Cavity (Ph.D. Thesis). Beijing: Institute of High Energy Physics, CAS, 2009, 66-67 (in Chinese)[5] Plouin J, Bosland P, Bredy P et al. Main Choices and Preliminary Design for The IFMIF RF Couplers. Proceedings of SRF2009. Berlin, Germany

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MENG Fan-Bo, CHEN Xu, PAN Wei-Min, HUANG Tong-Ming, MA Qiang, LIN Hai-Ying and PENG Xiao-Hua. Study and design of RF coupler for Chinese ADS HWR superconducting cavity[J]. Chinese Physics C, 2014, 38(11): 117002. doi: 10.1088/1674-1137/38/11/117002

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Received: 2013-12-05
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study and design of RF coupler for Chinese ADS HWR superconducting cavity

Corresponding author: MENG Fan-Bo,

Received Date: 2013-12-05
Accepted Date: 1900-01-01
Available Online: 2014-11-05

Abstract: An RF power coupler is a key component of the superconducting accelerating system in Chinese ADS proton linac injector I, which is used to transmit 15 kW RF power from the power source to the superconducting HWR cavity. According to the requirement of working frequency, power level, transmission capability and cooling condition, the physics design of coupler has been finished, which includes RF structure optimization, thermal simulation, thermal stress analysis and so on. Based on this design, the prototype of HWR coupler has been fabricated, and it has successfully passed the high power test.