Collimated proton acceleration in light sail regime with a tailored pinhole target

H. Y. Wang, X. Q. Yan, M. Zepf

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A scheme for producing collimated protons from laser interactions with a diamond-like-carbon+pinhole target is proposed. The process is based on radiation pressure acceleration in the multi-species light-sail regime [B. Qiao et al., Phys. Rev. Lett. 105, 155002 (2010); T. P. Yu et al., Phys. Rev. Lett. 105, 065002 (2010)]. Particle-in-cell simulations demonstrate that transverse quasistatic electric field at TV/m level can be generated in the pinhole. The transverse electric field suppresses the transverse expansion of protons effectively, resulting in a higher density and more collimated proton beam compared with a single foil target. The dependence of the proton beam divergence on the parameters of the pinhole is also investigated. 

Original languageEnglish
Article number063113
Number of pages5
JournalPhysics of Plasmas
Volume21
Issue number6
DOIs
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Condensed Matter Physics

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