“School of Physics”
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| Paper IPM / P / 7299 |
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| Abstract: | |||||||
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A numerical and an analytical investigation of near-steady state
orbits in free electron laser (FEL) with ion-channel guiding are
carried out and two kinds of orbits are found. Injection of
electrons is studied numerically using adiabatically tapered
wiggler field and ion-channel density. A considerable reduction in
amplitude of oscillations about steady-state orbits was found.
Near steady-state orbits, to second order in wiggler induced
velocity, is found in FEL with axial magnetic field guiding.
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