Energy amplification and beam bunching in a pulse line ion accelerator

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Energy amplification and beam bunching in a pulse line ion accelerator

Prabir K. Roy, William L. Waldron, Simon S. Yu, Joshua E. Coleman, Enrique Henestroza, David P. Grote, David Baca, Frank M. Bieniosek, Richard J. Briggs, Ronald C. Davidson, Shmuel Eylon, Alex Friedman, Wayne G. Greenway, Matthaeus Leitner, Grant B. Logan, Louis L. Reginato, and Peter A. Seidl

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

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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Received 5 April 2006

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

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Authors & Affiliations

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

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Issue

Vol. 9, Iss. 7 — July 2006

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