Chinese Physics C > 2008, Vol. 32 > Issue(9): 766-768 DOI: 10.1088/1674-1137/32/9/017

High power conditioning of the input coupler for BEPCⅡ superconductingcavity

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Abstract：

High power conditioning of the input coupler for BEPCII superconducting cavity has been performed. After room temperature conditioning, the RF power of 150 kW with continuous wave at standing wave mode passed through the coupler without any problem. Meanwhile, a series of methods have also been studied to improve the performance of the coupler during the beam operation. Up to now, the input coupler can feed a RF power up to 100 kW stably with high current of 250 mA at 2.5 GeV.

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PAN Wei-Min, HUANG Tong-Ming, MA Qiang, WANG Guang-Wei, SUN Yi, SHA Peng, LI Zhong-Quan, LIN Hai-Ying and XU Bo. High power conditioning of the input coupler for BEPCⅡ superconductingcavity[J]. Chinese Physics C, 2008, 32(9): 766-768. doi: 10.1088/1674-1137/32/9/017

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Received: 2007-12-11
Revised: 2008-03-17

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沈阳化工大学材料科学与工程学院沈阳 110142

High power conditioning of the input coupler for BEPCⅡ superconductingcavity

Corresponding author:HUANG Tong-Ming,

Received Date:2007-12-11
Accepted Date:2008-03-17
Available Online:2008-09-05

Abstract:

High power conditioning of the input coupler for BEPCII superconducting cavity has been performed. After room temperature conditioning, the RF power of 150 kW with continuous wave at standing wave mode passed through the coupler without any problem. Meanwhile, a series of methods have also been studied to improve the performance of the coupler during the beam operation. Up to now, the input coupler can feed a RF power up to 100 kW stably with high current of 250 mA at 2.5 GeV.