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Parametrization of the electron beam induced energy spread in free electron laser dynamics

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4 Author(s)
Dattoli, G. ; ENEA, Dipartimento Innovazione, Settore Elettroottica e Laser, C. R. E. Frascati C. P. 65‐00044 Frascati, Rome, Italy ; Giannessi, L. ; Ottaviani, P.L. ; Torre, A.

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We discuss a formula providing a parametrization of the energy spread induced on the electron beam in a free electron laser (FEL) oscillator. The formula we propose depends on the intracavity laser intensity and on the saturation intensity of the system. We show that such a parametrization can usefully be exploited in the analysis of FEL storage ring dynamics.

Published in:

Journal of Applied Physics  (Volume:76 ,  Issue: 1 )