Author: He, Z.G.
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MOPOW026 Status of FELiCHEM, a New IR-FEL in China 774
 
  • H.T. Li, Z.G. He, Q.K. Jia, Q. Luo, L. Wang, S.C. Zhang
    USTC/NSRL, Hefei, Anhui, People's Republic of China
 
  FELiChEM is a new experimental facility under construction at University of Science and Technology of China (USTC), whose core device is a FEL oscillator generating middle-infrared and far-infrared laser and covering the spectral range of 2.5-200 μm. It will be a dedicated light source aiming at energy chemistry research, with the photo excitation, photo dissociation and photo detection experimental stations. We present the brief physical and technical design that delivers the required performance for this device and summarize the status of fabrication. Final assembly is scheduled for early in the next year with first light targeted for July 2017.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOW026  
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THPMB024 Error Analysis for the Lattice of FELiChEM 3278
 
  • S. Huang, Z.G. He, W. Xu, S.C. Zhang, T. Zhang
    USTC/NSRL, Hefei, Anhui, People's Republic of China
 
  FELiChEM is a new experimental facility under construction at University of Science and Technology of China (USTC).The facility consists of the middle-infrared (MID-FEL) beam line for 2.5-50 um and the Far-infrared (FAR-FEL) beam line for 40-200um. To achieve the design FEL performance of IR-FEL, the beam with 30 mm-mrad emittance, 5 ps rms length and 1nC bunch charge is required. We conduct error analysis in order to evaluate the tolerances of machine parameters and alignments. In this paper, we simulate the orbit corrections and emittance growth under exist of misalignments and strength errors of magnets. The simulation results show that the trajectory errors can be corrected to mm levels in the whole lattice and the emittance increase is acceptable. At the entrance of undulator, the position and angular errors can be corrected very well. So the trajectory can be controlled in the undulator to meet the requirement of FEL.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPMB024  
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