Keyword: coupling
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TUP005 Studies of the Transverse Beam Coupling in the European XFEL Injector ion, FEL, quadrupole, electron 263
 
  • M. Scholz, B. Beutner
    DESY, Hamburg, Germany
 
  Coupling between the transverse plains leads to an increase of the horizontal and vertical electron beam emittances. The coupling can be measured with dedicated multi quadrupole scans while the correlations of the beam are observed on a screen. In this paper we show the results from first coupling studies in the European XFEL injector.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-FEL2017-TUP005  
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WEP073 Lie Map Formalism for FEL Simulation ion, radiation, undulator, electron 557
 
  • K. Hwang, J. Qiang
    LBNL, Berkeley, California, USA
 
  Funding: U.S. Department of Energy under Contract No. DE-AC02-05CH11231
Undulator averaging and non-averaging are in compromisation between computational speed and reliability. It is hard to catch the advantages of the both methods simultaneously. In this report, we present a method that compromises the between the averaging and non-averaging methods through Lie map formalism.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-FEL2017-WEP073  
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