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Li, J.

Paper Title Page
MOP009 Dragon-I Linear Induction Accelerator 49
 
  • J. Deng, N. Cheng, G. Dai, Z. Dai, B. Ding, J. Li, J. Shi, H. Wang, K. Zhang, L. Zhang
    CAEP/IFP, Mainyang, Sichuan
 
  The best quality induction linac in the world, named Dragon-I, has been built at Institute of Fluid Physics, China Academy of Engineering Physics. It can produce 2.5~3kA high current electron beam with energy of 20MeV and pulse width of 70ns. The spot size of about 1mm diameter has been achieved with beam current greater than 2.5kA. The design of Dragon-I facility is introduced briefly. The commissioning and results of Dragon-I are presented in the paper including the most recent time resolved measurements of beam parameters.  
MOP053 Construction of a High-Current RFQ for ADS Study 165
 
  • S. Fu, S. X. Fang, K. Y. Gong, J. Li, H. F. Ouyang, J. M. Qiao, T. G. Xu, W. W. Xu, X. A. Xu, Y. Yao, H. S. Zhang, Z. H. Zhang
    IHEP Beijing, Beijing
  • X. L. Guan
    CIAE, Beijing
 
  A high current RFQ accelerator has been constructed in China for the basic study of Accelerator Driven Subcritical System. The ADS project is supported by a national program and aimed at the development of clean nuclear energy to meet of the rapid growth of the nuclear power plants in China. The 3.5MeV RFQ accelerator has been fabricated and installed. Field tuning and high power conditioning indicate a good agreement with our design. The beam commissioning with an ECR ion source is under development. This paper will present the recent progress in the construction and commissioning of the RFQ accelerator.  
THP053 Simulations and Optimizations of a New Power Coupler for 3.9-GHz Superconducting Cavities at Fermilab 701
 
  • J. Li, I. G. Gonin, T. K. Khabiboulline, D. O. Olis, N. Solyak
    Fermilab, Batavia, Illinois
  • T. Wong
    Illinois Institute of Technology, Chicago, Illinois
 
  3.9 GHz third harmonic superconducting cavities have been used to increase the peak bunch current and to compensate for non-linear distortions in the longitudinal phase space due to sinusoidal 1.3 GHz accelerating cavity voltage. The power coupler is one of the important and complicated components of the third harmonic system for the TTF3 project. From electromagnetic, multipacting, and thermal simulations of the power coupler, optimized designs have been achieved, enabling one to minimize or eliminate potential problems in advance. This paper presents our recent work on simulation and optimization of the power coupler.