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Storage-ring FEL amplifiers and electron beam longitudinal mode-damping times
Phys. Rev. E 57, 7153 – Published 1 June, 1998
DOI: https://doi.org/10.1103/PhysRevE.57.7153
Abstract
We exploit the Fokker-Planck equation to investigate the longitudinal phase-space dynamics of a FEL amplifier operating with a storage ring. We study both standard and optical-klystron configurations and prove that in both cases the damping times of the electron longitudinal modes are modified by the system operating conditions. In particular, they decrease with increasing laser power when the input laser is tuned at the resonant frequency.
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