Particle acceleration by twisted laser beams

We consider particle acceleration in plasmas, using twisted laser beams, or beams with orbital angular momentum. We discuss different acceleration processes using two LG laser modes, which include donut wakefield, beat-wave and self-torque acceleration, and compare the respective properties. We show...

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Bibliographic Details
Published in:Frontiers in physics 2022-09, Vol.10
Main Authors: Mendonça, J.T., Vieira, J., Willim, C., Fedele, R.
Format: Article
Language:English
Subjects:
helical beams
laser-plasma acceleration
light spring
self-torque
twisted laser pulses
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Summary:We consider particle acceleration in plasmas, using twisted laser beams, or beams with orbital angular momentum. We discuss different acceleration processes using two LG laser modes, which include donut wakefield, beat-wave and self-torque acceleration, and compare the respective properties. We show that a self-torque configuration is able to produce azimuthal acceleration and can therefore be considered as an alternative method to produce helical electron beams.
ISSN:2296-424X
2296-424X
DOI:10.3389/fphy.2022.995379