Ion acceleration enhancement by laser-pulse shaping via plasma shutter

M. Matys; S. V. Bulanov; M. Kecova; M. Kucharik; M. Jirka; P. Janecka; J. Psikal; J. Nikl; J. Grosz; G. Korn; O. Klimo

doi:10.1117/12.2589096

18 April 2021 Ion acceleration enhancement by laser-pulse shaping via plasma shutter

M. Matys, S. V. Bulanov, M. Kecova, M. Kucharik, M. Jirka, P. Janecka, J. Psikal, J. Nikl, J. Grosz, G. Korn, O. Klimo

Proceedings Volume 11779, Laser Acceleration of Electrons, Protons, and Ions VI; 117790Q (2021) https://doi.org/10.1117/12.2589096
Event: SPIE Optics + Optoelectronics, 2021, Online Only

Abstract

In this work we investigated the use of a plasma shutter in the form of a thin foil for laser-driven ion acceleration enhancement. It is shown with the help of 3D particle-in-cell simulations that the laser pulse intensity can be increased and its profile steepened after burning through the plasma shutter. The enhanced intensity profile has a positive effect on the subsequent ion acceleration from the main foil, significantly increasing the maximal ion energy. The pre-expansion of the plasma shutter caused by prepulses is investigated using 2D hydrodynamic simulations. A scheme using a double plasma shutter configuration (the first one filtering out the prepulses and the second one shaping the main pulse) is proposed.

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M. Matys, S. V. Bulanov, M. Kecova, M. Kucharik, M. Jirka, P. Janecka, J. Psikal, J. Nikl, J. Grosz, G. Korn, and O. Klimo "Ion acceleration enhancement by laser-pulse shaping via plasma shutter", Proc. SPIE 11779, Laser Acceleration of Electrons, Protons, and Ions VI, 117790Q (18 April 2021); https://doi.org/10.1117/12.2589096

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