Author: Badano, L.
Paper Title Page
WEXXPLM1 Amplified Emission of a Soft-X Ray Free-Electron Laser Based on Echo-Enabled Harmonic Generation 2230
  • E. Allaria, L. Badano, G. De Ninno, S. Di Mitri, B. Diviacco, W.M. Fawley, N.S. Mirian, G. Penco, P. Rebernik Ribič, S. Spampinati, C. Spezzani, M. Trovò
    Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
  • G. De Ninno
    University of Nova Gorica, Nova Gorica, Slovenia
  • E. Ferrari, E. Prat
    PSI, Villigen PSI, Switzerland
  • D. Garzella
    CEA, Gif-sur-Yvette, France
  • V. Grattoni
    DESY, Hamburg, Germany
  • E. Hemsing
    SLAC, Menlo Park, California, USA
  • M.A. Pop
    MAX IV Laboratory, Lund University, Lund, Sweden
  • E. Roussel
    PhLAM/CERLA, Villeneuve d’Ascq, France
  • D. Xiang
    Shanghai Jiao Tong University, Shanghai, People’s Republic of China
  We report the first evidence of substantial gain in a soft-X ray Free Electron Laser (FEL) based on Echo-Enabled Harmonic Generation (EEHG). The experiment was focused on harmonics 36 (~7.3nm) and 45 (5.8 nm) and clearly demonstrated the expected EEHG capability of generating powerful and coherent FEL pulses, with strongly reduced sensitivity to electron-beam fluctuations. The experiment was carried out at FERMI, the seeded FEL user facility at Elettra-Sincrotrone Trieste.  
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About • paper received ※ 17 May 2019       paper accepted ※ 23 May 2019       issue date ※ 21 June 2019  
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