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Phys. Rev. ST Accel. Beams 9, 070402 (2006) [5 pages]

Energy amplification and beam bunching in a pulse line ion accelerator

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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, 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

Received 5 April 2006; published 27 July 2006

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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© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.9.070402
DOI:
10.1103/PhysRevSTAB.9.070402
PACS:
41.75.Ak, 29.27.Ac, 52.59.Bi