A new approach to improving the efficiency of fel oscillator simulations

M. Shinn, S.V. Benson, A. Watson, Petrus J.M. van der Slot, H.P. Freund, D.C. Nguyen

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During the last year we have been benchmarking FEL oscillator simulation codes against the measured performance of the three Jefferson Lab oscillator FELs. While one might think that a full 4D simulation is de facto the best predictor of performance, the simulations are computationally intensive, even when analytical approximations to the electron bunch longitudinal distribution are used. In this presentation we compare the predictions of the 4D FEL interaction codes Genesis and Medusa, in combination with the optical code OPC, with those using a combination of the 2D & 3D versions of these codes, which can be run quickly on a single CPU core desktop computer.
Original languageEnglish
Title of host publicationProceedings of the 34th international free-electron laser conference
Place of PublicationNara, Japan
Publication statusPublished - 26 Aug 2012
Event34th International Free-Electron Laser Conference, FEL 2012 - Nara, Japan
Duration: 26 Aug 201231 Aug 2012
Conference number: 34


Conference34th International Free-Electron Laser Conference, FEL 2012
Abbreviated titleFEL


  • METIS-298321
  • IR-87551


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