Reducing ion energy spread in hole-boring radiation pressure acceleration by using two-ion-species targets

S.M. Weng, M. Muramaki, Z.M. Sheng

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Abstract

The generation of fast ion beams in the hole-boring radiation pressure acceleration by intense laser pulses has been studied for targets with different ion components. We find that the oscillation of the longitudinal electric field for accelerating ions can be effectively suppressed by using a two-ion-species target, because fast ions from a two-ion-species target are distributed into more bunches and each bunch bears less charge. Consequently, the energy spread of ion beams generated in the hole-boring radiation pressure acceleration can be greatly reduced down to 3.7% according to our numerical simulation.
Original languageEnglish
Number of pages5
JournalLaser and Particle Beams
Early online date23 Jan 2015
DOIs
Publication statusPublished - 2015

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Keywords

  • energy spread
  • fast ion beam
  • ion acceleration
  • two-ion-species target

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