Collimation of fast electrons in critical density plasma channel

T. Iwawaki, H. Habara, S. Baton, K. Morita, J. Fuchs, S. Chen, M. Nakatsutsumi, C. Rousseaux, F. Filippi, W. Nazarov, K.A. Tanaka

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Significantly collimated fast electron beam with a divergence angle 10° (FWHM) is generated through the interaction of ultra-intense laser light with a uniform critical density plasma in experiments and 2D PIC simulations. In the experiment, the uniform critical density plasma is created by ionizing an ultra-low density foam target. The spacial distribution of the fast electron is observed by Imaging Plate. 2D PIC simulation and post process analysis reveal magnetic collimation of energetic electrons along the plasma channel.
Original languageEnglish
Number of pages4
JournalPlasma and Fusion Research
Early online date30 Jan 2015
Publication statusPublished - 2015


  • Ultra-intense laser
  • Fast electron
  • Plasma channeling
  • Electron beam


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