Laser accelerated, high quality ion beams

M. Roth, A. Blazevic, E. Brambrink, M. Geissel, T.E. Cowan, J. Fuchs, A. Kemp, H. Ruhl, P. Audebert, J. Cobble, J. Fernandez, M. Hegelich, S. Letzring, K. Ledingham, Paul McKenna, R. Clarke, D Neely, S. Karsch, D. Habs, J. Schreiber

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1 Citation (Scopus)


Intense beams of protons and heavy ions have been observed in ultra-intense laser-solid interaction experiments. Thereby, a considerable fraction of the laser energy is transferred to collimated beams of energetic ions (e.g. up to 50 MeV protons; 100 MeV fluorine), which makes these beams highly interesting for various applications. Experimental results indicate very short pulse duration and an excellent beam quality, leading to beam intensities in the TW range. To characterize the beam quality and its dependence on laser parameters and target conditions we performed experiments at several high-power laser systems, We found a strong dependence on the target rear surface conditions allowing to tailor the ion beam by an appropriate target design. We also succeeded in the generation of heavy ion beams by suppressing the proton amount at the target surface. We will present recent experimental results demonstrating a transverse beam emittance far superior to accelerator-based ion beams. Finally, we will discuss the prospect of laser-accelerated ion beams as new diagnostics in laser-solid interaction experiments. Special fields of interest are proton radiography, electric field imaging, and relativistic electron transport inside the target.
Original languageEnglish
Pages (from-to)45-53
Number of pages9
JournalHyperfine Interactions
Issue number1-4
Publication statusPublished - 2005


  • ion beams
  • proton beams
  • heavy ions
  • ultra-intense laser-solid interaction
  • beam quality
  • accelerator-based ion beams


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