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Di Mitri, S.

Paper Title Page
WEPPH015 Modeling of a Laser Heater for Fermi@Elettra 362
 
  • S. Di Mitri, S. Spampinati
    ELETTRA, Basovizza, Trieste
 
  To cure the microbunching instability in the FERMI@elettra FEL a laser heater is proposed. The one-dimensional model of the instability predicts a large energy modulation building up the electron beam travels through the linac. According to analytical studies and simulations the longitudinal Landau damping provided by the laser heater is expected to help in suppressing the formation of such a modulation. The efficiency of the beam heating is studied as function of the transverse laser-electron beam mismatch in the laser heater undulator in case of a realistic transverse beam profile.