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Energy amplification and beam bunching in a pulse line ion accelerator

Prabir K. Roy1, William L. Waldron1, Simon S. Yu1, Joshua E. Coleman1, Enrique Henestroza1, David P. Grote2, David Baca1, Frank M. Bieniosek1, Richard J. Briggs3 et al.

Ronald C. Davidson4, Shmuel Eylon1, Alex Friedman2, Wayne G. Greenway1, Matthaeus Leitner1, Grant B. Logan1, Louis L. Reginato1, and Peter A. Seidl1

  • 1Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
  • 2Lawrence Livermore National Laboratory, Livermore, California 94550, USA
  • 3SAIC, Alamo, California 94507, USA
  • 4Princeton Plasma Physics Laboratory, New Jersey 08543, USA

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Phys. Rev. ST Accel. Beams 9, 070402 – Published 27 July, 2006

DOI: https://doi.org/10.1103/PhysRevSTAB.9.070402

Abstract

In a first beam dynamics validation experiment for a new Pulse Line Ion Acceleration (PLIA) concept, the predicted energy amplification and beam bunching were experimentally observed. Beam energy modulation of −80 to +150  keV was measured using a PLIA input voltage waveform of −21 to +12  kV. Ion pulses accelerated by 150 keV, and bunching by a factor of 4 were simultaneously achieved. The measured longitudinal phase space and current waveform of the accelerated beam are in good agreement with 3D particle-in-cell simulations.

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Phys. Rev. ST Accel. Beams 9, 070402– Published 27 July, 2006
  • Received 5 April 2006
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