Author: Zhang, M.
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THPAL101 Longitudinal Effects of Trapped Homs in Shanghai Coherent Light Facility 3872
SUSPL070   use link to see paper's listing under its alternate paper code  
 
  • J.J. Guo, Q. Gu, H.T. Hou, J.H. Tan, M. Zhang
    SINAP, Shanghai, People's Republic of China
 
  Funding: Shanghai Institute of Applied Physics, Chinese Academy of Sciences
Shanghai Coherent Light Facility (SCLF), a superconducting accelerated structure-baesd FEL device, is now under development at Shanghai Institute of Applied Physics, Chinese Academy of Sciences. We investigate effects of cryogenic losses caused by trapped longitudinal high order modes (HOM). Results of calculations are presented for losses caused by HOMs excitation in the acceleration RF system of the continues-wave (CW) linac of SCLF.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-THPAL101  
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THPMK078 Corrugated Structure as a Linearizer in High Repetition Rate X-Ray Free Electron Laser Source 4485
 
  • Z. Wang, C. Feng, D. Huang, K.Q. Zhang, M. Zhang
    SINAP, Shanghai, People's Republic of China
 
  A feasible method is proposed to compensate the high order mode (HOM) of the RF field, linearize the bunch compression process in the high repetition rate x-ray free electron laser source. In the proposed scheme, the corrugated structure is used in the superconducting linac to linearize the longitudinal phase space of the electron beam. The results show that the peak current of the electron beam will be increased from about 1 kA to over 2 kA with the charge of 100 pC.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-THPMK078  
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