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8 June 2023 Direct laser acceleration by multi-petawatt lasers (Conference Presentation)
Robert Babjak, Louise Willingale, Alexey Arefiev, Marija Vranic
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Proceedings Volume PC12579, Laser Acceleration of Electrons, Protons, and Ions VII; PC125790B (2023) https://doi.org/10.1117/12.2665719
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic
Abstract
Electrons can be accelerated to multi-GeV energies by the mechanism called Direct laser acceleration. The acceleration is secured by the resonance between betatron oscillations in the plasma channel and doppler-shifted oscillations in the laser field. We propose the scaling of electron energy that can be achieved by the mechanism as a function of laser intensity and plasma density. The scaling is in good agreement with quasi-3D particle-in-cell simulations. Also, the role of a laser spotsize in the acceleration is demonstrated which allows us to estimate the optimal laser focusing which maximizes electron energy.
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Robert Babjak, Louise Willingale, Alexey Arefiev, and Marija Vranic "Direct laser acceleration by multi-petawatt lasers (Conference Presentation)", Proc. SPIE PC12579, Laser Acceleration of Electrons, Protons, and Ions VII, PC125790B (8 June 2023); https://doi.org/10.1117/12.2665719
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KEYWORDS
Electrons
Pulsed laser operation
Laser applications
Plasmas
Simulation of CCA and DLA aggregates
Laser development
Optical simulations
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