Author: Chao, A.
Paper Title Page
THPRO047 Linac Design for the Proposed NSRRC THz/VUV FEL Facility 2971
 
  • N.Y. Huang, W.K. Lau, A.P. Lee
    NSRRC, Hsinchu, Taiwan
  • A. Chao, J. Wu
    SLAC, Menlo Park, California, USA
  • C.H. Chen
    NTHU, Hsinchu, Taiwan
 
  A driver linac based on a photocathode RF gun injector system for a proposed free electron laser facility at National Synchrotron Radiation Research Center (NSRRC) in Taiwan is under study. This facility is designed to be operated in two modes, one for the VUV application and one for the THz application to fulfil the user needs. Generally the VUV radiation prefers a low emittance, high peak current beam free from collective instability during acceleration and magnetic pulse compression, whereas the THz radiation needs a moderate charge in hundred femtosecond bunch length free from space charge degradation in a transport line. In this paper, the schemes of bunch compression as well as the strategy to optimize and control of the beam quality will be presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO047  
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THPRO050 Study of a THz/VUV Free Electron Laser Facility in Taiwan 2980
 
  • N.Y. Huang, M.C. Chou, C.-S. Hwang, W.K. Lau, A.P. Lee
    NSRRC, Hsinchu, Taiwan
  • A. Chao, J. Wu
    SLAC, Menlo Park, California, USA
  • C.H. Chen, Y.-C. Huang
    NTHU, Hsinchu, Taiwan
  • X.M. Yang
    DICP, Dalian, People's Republic of China
 
  A free electron laser (FEL) facility aimed for VUV and THz radiation is being studied at National Synchrotron Radiation Research Center (NSRRC) in Taiwan. Strong consideration has been given to minimize the cost by making maximum use of existing hardware at NSRRC. One unique consideration is to use an existing undulator for the dual functions of the THz radiator and the modulator of a HGHG section. Design emphasizes versatility of operation and beam quality control and compensation of nonlinearities, with a vision that it will allow as much as possible future upgrades as well as later R&D of FEL physics. The polarization control of the THz radiation provides novel application for the users. The facility is to be housed in the existing 38-m by 5-m tunnel of the TPS Linac Test Laboratory.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO050  
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