This research demonstrates the generation of high-brightness electron beams using multi-pulse ionization, indicating significant advancements for applications in free-electron lasers.
Laser wakefield accelerators are on the way to provide GeV scale high-brightness electron beams for multidisciplinary applications. In the present work, electron bunches are studied in the framework of a Free-Electron Laser driven by an accelerator in the Resonant Multi-Pulse Ionisation framework. The transport to the undulator is provided by a matched beam focusing with marginal beam quality degradation. Finally, using the CRESCO/ENEAGRID High Performance Computing infrastructure, 3D time-dependent simulations of the produced radiation show that about 10¹⁰ photons with central wavelength of 0.15 nm will be delivered with the electron bunches under consideration.
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Nguyen et al. (2025) studied this question.
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