Radio frequency characteristic measurements and power conditioning of DPIS-RFQ at IMP

Sun Liepeng; Zhang Zhouli; Zhao Hongwei; Xu Zhe; Shi Aimin; Cong Yan

Volume 25 Issue 04

Mar. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(04): 989-993

Sun Liepeng, Zhang Zhouli, Zhao Hongwei, et al. Radio frequency characteristic measurements and power conditioning of DPIS-RFQ at IMP[J]. High Power Laser and Particle Beams, 2013, 25: 989-993.

Citation:

Sun Liepeng, Zhang Zhouli, Zhao Hongwei, et al. Radio frequency characteristic measurements and power conditioning of DPIS-RFQ at IMP[J]. High Power Laser and Particle Beams, 2013, 25: 989-993.

Sun Liepeng, Zhang Zhouli, Zhao Hongwei, et al. Radio frequency characteristic measurements and power conditioning of DPIS-RFQ at IMP[J]. High Power Laser and Particle Beams, 2013, 25: 989-993.

Citation:

Sun Liepeng, Zhang Zhouli, Zhao Hongwei, et al. Radio frequency characteristic measurements and power conditioning of DPIS-RFQ at IMP[J]. High Power Laser and Particle Beams, 2013, 25: 989-993.

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Radio frequency characteristic measurements and power conditioning of DPIS-RFQ at IMP

Sun Liepeng^{1,2
,
,},
Zhang Zhouli^1,2,
Zhao Hongwei¹,
Xu Zhe¹,
Shi Aimin¹,
Cong Yan^1,2

1.
Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China;
2.
University of Chinese Academy of Sciences,Beijing 100049,China

Received Date: 2012-04-09
Rev Recd Date: 2012-11-29
Publish Date: 2013-03-09

Abstract

Abstract

A direct plasma injection scheme (DPIS) project has been developed since 2007 at the Institute of Modern Physics, Chinese Academy of Sciences (IMP, CAS). In this paper, the test methods and results of radio frequency (RF) characteristics are presented, and especially a new approach, which can calibrate a directional coupler by the RF instrument, is introduced to measure the pulsed power precisely. Furthermore, we present the conditioning situation of the whole radio frequency quadrupole (RFQ) system including the analysis of and the solutions to the sparking of the cavity and amplifier. Finally, the result from the beam experiment proves that the design and measurement can meet the commissioning demand.
- direct plasma injection scheme,
- radio frequency quadrupole accelerator,
- dynamics design,
- power conditioning,
- sparking,
- transmission line

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