Author: Lutman, A.A.
Paper Title Page
MOPAB098 LCLS Multi-Bunch Improvement Plan 365
 
  • A. Halavanau, S. Carbajo, F.-J. Decker, A.K. Krasnykh, A.A. Lutman, A. Marinelli, C.E. Mayes, D.C. Nguyen
    SLAC, Menlo Park, California, USA
  
  Cur­rent and fu­ture ex­per­i­ments at LCLS re­quire XFEL pulse trains of vari­able time sep­a­ra­tion. The cav­ity based XFEL (CBXFEL) pro­ject re­quires mul­ti­ple pulses sep­a­rated by 220 ns, the X-ray Laser Os­cil­la­tor (XLO) uses 15 ns spaced pulse trains and Mat­ter under Ex­treme Con­di­tions (MEC) ex­per­i­ments need a shortly spaced (less than 5 ns) pulse trains. In this pro­ceed­ing, we dis­cuss the LCLS multi-bunch im­prove­ment plan and re­port on its re­cently sta­tus and progress.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB098  
About • paper received ※ 19 May 2021       paper accepted ※ 27 July 2021       issue date ※ 20 August 2021  
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MOPAB100 Progress Report on Population Inversion-Based X-Ray Laser Oscillator 373
 
  • A. Halavanau, R. Alonso-Mori, A. Aquila, U. Bergmann, D. DePonte, F.-J. Decker, F. Fuller, M. Liang, A.A. Lutman, C. Pellegrini
    SLAC, Menlo Park, California, USA
  • M. Doyle
    UCB, Berkeley, USA
  
  The pop­u­la­tion in­ver­sion X-ray Laser Os­cil­la­tor (XLO) is a fully co­her­ent, trans­form lim­ited hard X-ray source. It op­er­ates by repet­i­tively pump­ing in­ner-shell atomic tran­si­tions with an XFEL, in a closed Bragg cav­ity. XLO will pro­duce very bright mono­chro­matic X-ray pulses for ap­pli­ca­tions in quan­tum op­tics, X-ray in­ter­fer­om­e­try and metrol­ogy. We re­port the progress to build the first XLO op­er­at­ing at the cop­per alpha line, using LCLS 9 keV SASE X-ray pulses as a pump.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB100  
About • paper received ※ 20 May 2021       paper accepted ※ 29 July 2021       issue date ※ 02 September 2021  
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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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