Scaling laws of a free electron laser based on a Thomson source

Luca Serafini; Andrea R. Rossi; Vittoria Petrillo; Cesare Maroli; Alberto Bacci

doi:10.1117/12.742099

2 May 2007 Scaling laws of a free electron laser based on a Thomson Source

Luca Serafini, Andrea R. Rossi, Vittoria Petrillo, Cesare Maroli, Alberto Bacci

Proceedings Volume 6634, International Conference on Charged and Neutral Particles Channeling Phenomena II; 66341G (2007) https://doi.org/10.1117/12.742099
Event: International Conference on Charged and Neutral Particles Channeling Phenomena II, 2006, Rome, Italy

Abstract

We present a study based on a parametric optimization of a Thomson Source operated in FEL mode. This deals with the proposed scheme to use a high intensity laser pulse colliding with a high brightness electron beam of low to medium energy (around 10 MeV). Electrons undulating in the incoming laser field may emit radiation in a FEL coherent mode as far as some conditions are satisfied. A set of simple analytical formulas taking into account 3D effects is derived, in order to express these conditions in terms of three free parameters, namely the wavelength of the colliding laser pulse, the FEL ρ parameter, and the peak current carried by the electron beam. A few examples of possible operating points are compared with results of 3D numerical simulations, showing the FEL coherent emission of X-rays by high brightness electron beams colliding with high intensity laser beams carrying pulse energies of about 10 J.

Citation Download Citation

Luca Serafini, Andrea R. Rossi, Vittoria Petrillo, Cesare Maroli, and Alberto Bacci "Scaling laws of a free electron laser based on a Thomson Source", Proc. SPIE 6634, International Conference on Charged and Neutral Particles Channeling Phenomena II, 66341G (2 May 2007); https://doi.org/10.1117/12.742099

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