Monoenergetic electronic beam production using dual collinear laser pulses

A.G.R. Thomas, C.D. Murphy, S.P.D. Mangles, A.E. Dangor, P.S. Foster, J.G. Gallacher, D.A. Jaroszynski, C. Kamperidis, Richard Viskup

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The production of monoenergetic electron beams by two copropagating ultrashort laser pulses is investigated both by experiment and using particle-in-cell simulations. By proper timing between guiding and driver pulses, a high-amplitude plasma wave is generated and sustained for longer than is possible with either of the laser pulses individually, due to plasma waveguiding of the driver by the guiding pulse. The growth of the plasma wave is inferred by the measurement of monoenergetic electron beams with low divergence that are not measured by using either of the pulses individually. This scheme can be easily implemented and may allow more control of the interaction than is available to the single pulse scheme. © 2008 The American Physical Society
Original languageEnglish
Article number255002
Number of pages4
JournalPhysical Review Letters
Issue number25
Publication statusPublished - 27 Jun 2008


  • monoenergetic electronic beam
  • production
  • dual collinear laser pulses

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