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8 June 2023 On the electron beam loading in radiation-friction dominated regime of direct laser acceleration
Petr Valenta, Dominika Mašlárová, Róbert Babjak, Bertrand Martinez, Sergei V. Bulanov, Marija Vranić
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Proceedings Volume 12580, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers V; 1258002 (2023) https://doi.org/10.1117/12.2665698
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic
Abstract
We study beam loading of electrons accelerated via the process of direct laser acceleration under the conditions of preformed plasma channels irradiated by ultra-intense laser pulses using analytical methods and particle-incell simulations in quasi-cylindrical geometry. We find the rates at which the electrons populate the beam for multi-petawatt peak power laser drivers. We show that the majority of accelerated electrons originate at the interface between the channel interior and channel wall and outline the underlying physical mechanism.
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Petr Valenta, Dominika Mašlárová, Róbert Babjak, Bertrand Martinez, Sergei V. Bulanov, and Marija Vranić "On the electron beam loading in radiation-friction dominated regime of direct laser acceleration", Proc. SPIE 12580, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers V, 1258002 (8 June 2023); https://doi.org/10.1117/12.2665698
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KEYWORDS
Simulations
Plasma
Electron beams
Vacuum
Ions
Electric fields
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