The implementation of 3D undulator fields in the unaveraged FEL simulation code Puffin

Henderson, James Robert and McNeil, Brian and Campbell, Lawrence; (2015) The implementation of 3D undulator fields in the unaveraged FEL simulation code Puffin. In: 36th International Free Electron Laser Conference. Paul Scherrer Insitut, p. 416. ISBN 978-3-95450-133-5

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    Abstract

    The FEL simulation code Puffin is modified to include 3D magnetic undulator fields. Puffin, having previously used a 1D undulator field, is modified to accommodate general 3D magnetic fields. Both plane and curved pole undulators have been implemented. The electron motion for both agrees with analytic predictions.