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27th International Free Electron Laser Conference, Stanford : États-Unis (2005)
Simulation of Smith-Purcell Terahertz radiation using a particle-in-cell code
J.T. Donohue1, J. Gardelle2

A simulation of the generation of Smith-Purcell (S-P) radiation at terahertz frequencies is performed using the two-dimensional particle-in-cell code MAGIC. The simulation supposes that a thin (but infinitely wide), mono-energetic electron beam passes over a diffraction grating. We simulate two configurations, one similar to the Dartmouth S-P FEL, with a low-energy continuous beam (we use an axial magnetic field to constrain the electrons to essentially one-dimensional motion). The other is similar to the recent MIT experiment that uses a pre-bunched 15 MeV beam.
1 :  CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
2 :  CESTA - Centre d'études scientifiques et techniques d'Aquitaine
Physique/Physique/Physique des accélérateurs
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