Comparison of the non-wiggler-averaged code MEDUSA and the wiggler-averaged code TDA3D

Henry P. Freund; Li-Hua Yu

doi:10.1117/12.274373

15 May 1997 Comparison of the non-wiggler-averaged code MEDUSA and the wiggler-averaged code TDA3D

Henry P. Freund, Li-Hua Yu

Proceedings Volume 2988, Free-Electron Laser Challenges; (1997) https://doi.org/10.1117/12.274373
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

Two distinct types of free-electron laser simulations are in general use. In 'wiggler-averaged' simulation codes such as FRED and TDA, the Lorentz force equations are averaged over a wiggler period. A reduced orbit analysis is obtained requiring integration only of equations for the energy and ponderomotive phase for each electron. In contrast, 'non-wiggler-averaged' codes such as MEDUSA use the complete three-dimensional Lorentz force equations. A direct comparison of the two techniques is discussed in this paper using the MEDUSA and TDA codes.

Citation Download Citation

Henry P. Freund and Li-Hua Yu "Comparison of the non-wiggler-averaged code MEDUSA and the wiggler-averaged code TDA3D", Proc. SPIE 2988, Free-Electron Laser Challenges, (15 May 1997); https://doi.org/10.1117/12.274373

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