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| MOPPH008 |
Unaveraged Three-Dimensional Modelling of the FEL
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- P. Aitken, B. W.J. McNeil, C. K.W. Nam
USTRAT/SUPA, Glasgow
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A new three-dimensional model of the FEL is presented. A system of scaled, coupled Lorentz-Maxwell equations are derived in the paraxial limit. A minimal number of limiting assumptions are made and the equations are not averaged in the longitudinal direction of common radiation/electron beam propagation, allowing the effects of coherent spontaneous emission and non-localised electron propagation to be modelled. The equations are solved numerically using a parallel Fourier split-step method.
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