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  • Open Access

Characteristics of laminar ion beams accelerated via a few-joule laser pulse

Toshimasa Morita

  • Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 8-1-7 Umemidai, Kizugawa-shi, Kyoto 619-0215, Japan

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Phys. Rev. Research 4, 043020 – Published 10 October, 2022

DOI: https://doi.org/10.1103/PhysRevResearch.4.043020

Abstract

Laser-driven carbon ion beams from a carbon foil target via a 2.5-J laser pulse are investigated with three-dimensional particle-in-cell simulations. An ion bunch with a narrow energy range exhibits a thin shell shape with a certain diameter. The ion cloud has a layered structure of these ion bunches with different energies. The divergences of the ion bunch in the laser inclination direction and perpendicular to it are different in an oblique incidence laser. In addition, theoretical formulas for the radius of the generated ion beam and the energy spectrum are derived, and they are shown to be in good agreement with the simulation results.

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Phys. Rev. Research 4, 043020– Published 10 October, 2022
  • Received 20 May 2022
  • Accepted 14 September 2022
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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