Ion acceleration in underdense plasmas by ultra-short laser pulses

Lifschitz, A. and Sylla, Francois and Kahaly, S. and Flacco, A. and Sánchez Arriaga, Gonzalo and Veltcheva, M. and Lefebvre, E. and Malka, V. (2014). Ion acceleration in underdense plasmas by ultra-short laser pulses. "New Journal of Physics", v. 16 (n. 3); pp. 1-10. ISSN 1367-2630. https://doi.org/10.1088/1367-2630/16/3/033031.

Description

Title: Ion acceleration in underdense plasmas by ultra-short laser pulses
Author/s:
  • Lifschitz, A.
  • Sylla, Francois
  • Kahaly, S.
  • Flacco, A.
  • Sánchez Arriaga, Gonzalo
  • Veltcheva, M.
  • Lefebvre, E.
  • Malka, V.
Item Type: Article
Título de Revista/Publicación: New Journal of Physics
Date: 2014
ISSN: 1367-2630
Volume: 16
Subjects:
Freetext Keywords: laser plasma interaction, ion acceleration, plasma modeling
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Física Aplicada a la Ingeniería Aeronáutica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

We report on the ion acceleration mechanisms that occur during the interaction of an intense and ultrashort laser pulse ( λ > μ I 2 1018 W cm−2 m2) with an underdense helium plasma produced from an ionized gas jet target. In this unexplored regime, where the laser pulse duration is comparable to the inverse of the electron plasma frequency ωpe, reproducible non-thermal ion bunches have been measured in the radial direction. The two He ion charge states present energy distributions with cutoff energies between 150 and 200 keV, and a striking energy gap around 50 keV appearing consistently for all the shots in a given density range. Fully electromagnetic particle-in-cell simulations explain the experimental behaviors. The acceleration results from a combination of target normal sheath acceleration and Coulomb explosion of a filament formed around the laser pulse propagation axis

More information

Item ID: 26719
DC Identifier: http://oa.upm.es/26719/
OAI Identifier: oai:oa.upm.es:26719
DOI: 10.1088/1367-2630/16/3/033031
Official URL: http://iopscience.iop.org/1367-2630/16/3/033031/article
Deposited by: Memoria Investigacion
Deposited on: 25 Aug 2014 14:36
Last Modified: 19 Oct 2015 07:47
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