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

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

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 language	English
Title of host publication	Proceedings of the 34th international free-electron laser conference
Place of Publication	Nara, Japan
Pages	225-228
Publication status	Published - 26 Aug 2012
Event	34th International Free-Electron Laser Conference, FEL 2012 - Nara, Japan Duration: 26 Aug 2012 → 31 Aug 2012 Conference number: 34

Conference

Conference	34th International Free-Electron Laser Conference, FEL 2012
Abbreviated title	FEL
Country	Japan
City	Nara
Period	26/08/12 → 31/08/12

Keywords

METIS-298321
IR-87551

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Shinn, M., Benson, S. V., Watson, A., van der Slot, P. J. M., Freund, H. P., & Nguyen, D. C. (2012). A new approach to improving the efficiency of fel oscillator simulations. In Proceedings of the 34th international free-electron laser conference (pp. 225-228). Nara, Japan.

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abstract = "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.",

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A new approach to improving the efficiency of fel oscillator simulations. / Shinn, M.; Benson, S.V.; Watson, A.; van der Slot, Petrus J.M.; Freund, H.P.; Nguyen, D.C.

Proceedings of the 34th international free-electron laser conference. Nara, Japan, 2012. p. 225-228.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AU - Nguyen, D.C.

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