Polarization dependence of bulk ion acceleration from ultrathin foils irradiated by high intensity, ultrashort laser pulses

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Scullion, C. and Doria, D. and Romagnani, L. and Sgattoni, A. and Naughton, K. and Symes, D.R. and McKenna, P. and Macchi, A. and Zepf, M. and Kar, S. and Borghesi, M. (2017) Polarization dependence of bulk ion acceleration from ultrathin foils irradiated by high intensity, ultrashort laser pulses. Physical Review Letters, 119. 054801. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.119.054801)

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Abstract

The acceleration of ions from ultrathin (10-100 nm) carbon foils has been investigated using intense (∼ 6 x1020 Wcm-2), ultrashort (45 fs) laser pulses, highlighting a strong dependence of the ion beam parameters on the laser polarization, with circularly polarized (CP) pulses producing the highest energies for both protons and carbons (25-30 MeV/nucleon); carbon ion energies obtained employing CP pulses were signicantly higher (∼2.5 times) than for irradiations employing linearly polarized (LP) pulses. Particle-in-cell simulations indicate that Radiation Pressure Acceleration becomes the dominant mechanism for the thinnest targets and CP pulses.

ORCID iDs

Scullion, C., Doria, D., Romagnani, L., Sgattoni, A., Naughton, K., Symes, D.R., McKenna, P. ORCID logoORCID: https://orcid.org/0000-0001-8061-7091, Macchi, A., Zepf, M., Kar, S. and Borghesi, M.;
  • Item type:Article
    ID code:61091
    Dates:
    Date
    Event
    2 August 2017
    Published
    15 June 2017
    Accepted
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:26 Jun 2017 10:26
    Last modified:29 Nov 2024 05:24
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/61091
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