Chinese Physics C > 2006, Vol. 30 > Issue(3): 242-245

The Improvement study of TESLA style HOM Coupler

RF Superconducting Accelerator Laboratory, Institute of Heavy Ion Physics,Peking University, Beijing 100871, China

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Abstract：
To eliminate the higher order modes (HOMs) in superconducting cavity, an improvement study on HOM coupler has been done. With Code HFSS,the HOM coupler for 1+1/2 Cell superconducting cavity of the Peking University has been designed and optimized. The improved HOM coupler can absorb main HOMs out to －15dB from －40dB, which proves this HOM coupler to be effective.

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WANG Gui-Mei, WU Wen-Zong, LU Xiang-Yang, ZHANG Bao-Cheng, QUAN Sheng-Wen, ZHU Feng, LIN LIN, JIAO Fei and ZHAO Kui. The Improvement study of TESLA style HOM Coupler[J]. Chinese Physics C, 2006, 30(3): 242-245.

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Received: 2005-07-19
Revised: 2005-08-17

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沈阳化工大学材料科学与工程学院沈阳 110142

The Improvement study of TESLA style HOM Coupler

Corresponding author:WANG Gui-Mei,

RF Superconducting Accelerator Laboratory, Institute of Heavy Ion Physics,Peking University, Beijing 100871, China

Received Date:2005-07-19
Accepted Date:2005-08-17
Available Online:2006-03-05

Abstract:To eliminate the higher order modes (HOMs) in superconducting cavity, an improvement study on HOM coupler has been done. With Code HFSS,the HOM coupler for 1+1/2 Cell superconducting cavity of the Peking University has been designed and optimized. The improved HOM coupler can absorb main HOMs out to －15dB from －40dB, which proves this HOM coupler to be effective.