- Main
Symplectic models for general insertion devices
- Author(s): Wu, Y.;
- Forest, E.;
- Robin, D.S.;
- Nishimura, H.;
- Wolski, A.;
- Litvinenko, V.N.
- et al.
Abstract
A variety of insertion devices (IDs), wigglers and undulators, linearly or elliptically polarized,are widely used as high brightness radiation sources at the modern light source rings. Long and high-field wigglers have also been proposed as the main source of radiation damping at next generation damping rings. As a result, it becomes increasingly important to understand the impact of IDs on the charged particle dynamics in the storage ring. In this paper, we report our recent development of a general explicit symplectic model for IDs with the paraxial ray approximation. High-order explicit symplectic integrators are developed to study real-world insertion devices with a number of wiggler harmonics and arbitrary polarizations.
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