Author: Liu, K.X.
Paper Title Page
WEP056 Engineering Design of Low-Emittance DC-SRF Photocathode Injector 460
 
  • Y.Q. Liu, M. Chen, S. Huang, L. Lin, K.X. Liu, S.W. Quan, F. Wang, S. Zhao
    PKU, Beijing, People’s Republic of China
 
  An upgraded version of DC-SRF photocathode injector (DC-SRF-II) is under development at Peking University. The goal is to achieve an emittance below 0.5 mm-mrad at the bunch charge of 100 pC and repetition rate of 1 MHz. The engineering design of the DC-SRF-II photoinjector was accomplished in this May and the fabrication is ongoing now. This paper presents some details of the engineering design.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-FEL2019-WEP056  
About • paper received ※ 19 August 2019       paper accepted ※ 26 August 2019       issue date ※ 05 November 2019  
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WEP057 Performance Optimization of Low-Emittance DC-SRF Injector Using Cs2Te Photocathode 463
 
  • S. Zhao
    Peking University, Beijing, People’s Republic of China
  • S. Huang, K.X. Liu, Y.Q. Liu, D.M. Ouyang
    PKU, Beijing, People’s Republic of China
 
  A low-emittance DC-SRF injector (DC-SRF-II) is under construction at Peking University, in the earlier design of which K2CsSb photocathode was chosen. Recently we changed the cathode to Cs2Te, which is more widely used nowadays, and carried out a detailed performance optimization. In this paper, we present our latest simulation results, which show that an emittance under 0.5 mm-mrad can be achieved at the bunch charge of 100 pC.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-FEL2019-WEP057  
About • paper received ※ 14 August 2019       paper accepted ※ 27 August 2019       issue date ※ 05 November 2019  
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