Plasma boosted electron beams for driving Free Electron Lasers
Abstract
In this paper, we report results of simulations, in the framework of both EuPRAXIA Walk2017 and EuPRAXIA@SPARC\LAB Ferr2017 projects, aimed at delivering a high brightness electron bunch for driving a Free Electron Laser (FEL) by employing a plasma post acceleration scheme. The boosting plasma wave is driven by a tens of class laser and doubles the energy of an externally injected beam up to 1. The injected bunch is simulated starting from a photoinjector, matched to plasma, boosted and finally matched to an undulator, where its ability to produce FEL radiation is verified to yield O(e11) photons per shot at 2.7.
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