Sn ion energy distributions of ns- and ps-laser produced plasmas

A. Bayerle, M. J. Deuzeman, S. van der Heijden, D. Kurilovich, T. de Faria Pinto, A. Stodolna, S. Witte, K. S. E. Eikema, W. Ubachs, R. Hoekstra, O. O. Versolato*

*Corresponding author for this work

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Ion energy distributions arising from laser-produced plasmas of Sn are measured over a wide laser parameter space. Planar-solid and liquid-droplet targets are exposed to infrared laser pulses with energy densities between 1 J cm(-2) and 4 kJ cm(-2) and durations spanning 0.5 ps to 6 ns. The measured ion energy distributions are compared to two self-similar solutions of a hydrodynamic approach assuming isothermal expansion of the plasma plume into vacuum. For planar and droplet targets exposed to ps-long pulses, we find good agreement between the experimental results and the self-similar solution of a semi-infinite simple planar plasma configuration with an exponential density profile. The ion energy distributions resulting from solid Sn exposed to ns-pulses agrees with solutions of a limited-mass model that assumes a Gaussian-shaped initial density profile.

Original languageEnglish
Article number045001
Number of pages8
JournalPlasma sources science & technology
Issue number4
Publication statusPublished - Apr-2018


  • plasma expansion
  • laser-produced plasma
  • ion energy
  • TIN
  • MASS
  • CU

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