Author: Gibbs, M.L.
Paper Title Page
TUPAB083 Dual Energies in the LCLS Copper Linac 1570
 
  • F.-J. Decker, C. Bianchini Mattison, D.K. Bohler, A. Brachmann, W.S. Colocho, S. Condamoor, M.L. Gibbs, K.H. Kim, A.A. Lutman, T.J. Maxwell, J.A. Mock, H.-D. Nuhn, J.C. Sheppard, H. Smith, T.J. Smith, M. Stanek, S. Zelazny, Z. Zhang, C.M. Zimmer
    SLAC, Menlo Park, California, USA
 
  For LCLS-II two un­du­la­tors were in­stalled at SLAC, one for soft and one for hard x-rays. Be­fore the su­per­con­duct­ing linac gets turned on the cop­per linac is pro­vid­ing beams at 120 Hz to these two beam des­ti­na­tions. The 120 Hz can be split in many dif­fer­ent ra­tios be­tween soft and hard via a pulsed mag­net. To get an op­ti­mized beam for the quite dif­fer­ent pho­ton en­er­gies the pulsed linac com­po­nents like mod­u­la­tors and RF can pro­vide many dif­fer­ent beam pa­ra­me­ters, mainly en­er­gies and bunch lengths for the two un­du­la­tor lines. How this was im­ple­mented with tim­ing se­tups of trig­gers and fi­nally after the split the nec­es­sary match­ing of the trans­verse phase space will be dis­cussed.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB083  
About • paper received ※ 19 May 2021       paper accepted ※ 27 May 2021       issue date ※ 21 August 2021  
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