Effects of external axial magnetic field on fast electron propagation

X.H. Yang, Marco Borghesi, Bin Qiao, Michael Geissler, A.P.L. Robinson

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A scheme employing an external axial magnetic field is proposed to diagnose the intrinsic divergence of laser-generated fast electron beams, and this is studied numerically with hybrid simulations. The maximum beam radius of fast electrons increases with the initial divergence and decreases with the amplitude of the axial magnetic field. It is indicated that the intrinsic divergence of fast electrons can be inferred from measurements of the beam radius at different depth under the axial field. The proposed scheme here may be useful for future fast ignition experiments and in other applications of laser-generated fast electron beams. (C) 2011 American Institute of Physics. [doi:10.1063/1.3630925]
Original languageEnglish
Article number093102
Pages (from-to)093102
Number of pages1
JournalPhysics of Plasmas
Issue number9
Publication statusPublished - Sep 2011

ASJC Scopus subject areas

  • Condensed Matter Physics


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