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The influence of an intense laser beam interaction with preformed plasma on the characteristics of emitted ion streams

  • L. Láska (a1), J. Badziak (a2), S. Gammino (a3), K. Jungwirth (a1), A. Kasperczuk (a2), J. Krása (a1), E. Krouský (a1), P. Kubeš (a4), P. Parys (a2), M. Pfeifer (a1), T. Pisarczyk (a2), K. Rohlena (a1), M. Rosinski (a2), L. Ryc´ (a2), J. Skála (a1), L. Torrisi (a3), J. Ullschmied (a1) (a5), A. Velyhan (a1) and J. Wolowski (a2)...

Abstract

Intense laser-beam interactions with preformed plasma, preceding the laser-target interactions, significantly influence both the ion and X-ray generation. It is due to the laser pulse (its total length, the shape of the front edge, its background, the contrast, the radial homogeneity) as well as plasma (density, temperature) properties. Generation of the super fast (FF) ion groups is connected with a presence of non-linear processes. Saturated maximum of the charge states (independently on the laser intensity) is ascribed to the constant limit radius of the self-focused laser beam. Its longitudinal structure is considered as a possible explanation for the course of some experimental dependencies obtained.

Copyright

Corresponding author

Address correspondence and reprint requests to: L. Láska, Institute of Physics, ASCR v.v.i., Na Slovance 2, 182 21 Prague 8, Czech Republic. E-mail: laska@fzu.cz

References

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