Enhanced collimated GeV monoenergetic ion acceleration from a shaped foil target irradiated by a circularly polarized laser pulse

Chen, Min and Pukhov, Alexander and Sheng, Zheng-Ming (2009) Enhanced collimated GeV monoenergetic ion acceleration from a shaped foil target irradiated by a circularly polarized laser pulse. Physical Review Letters, 103 (2). 024801. ISSN 1079-7114 (https://doi.org/10.1103/physrevlett.103.024801)

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Abstract

Using multidimensional particle-in-cell simulations we study ion acceleration from a foil irradiated by a circularly polarized laser pulse at 10;{22} W/cm;{2} intensity. When the foil is shaped initially in the transverse direction to match the laser intensity profile, three different regions (acceleration, transparency, and deformation region) are observed. In the acceleration region, the foil can be uniformly accelerated for a longer time compared to a usual flat target. Undesirable plasma heating is effectively suppressed. The final energy spectrum of the accelerated ion beam in the acceleration region is improved dramatically. Collimated GeV quasi-monoenergetic ion beams carrying as much as 19% of the laser energy are observed in multidimensional simulations.

  • Item type:Article
    ID code:44613
    Dates:
    Date
    Event
    10 July 2009
    Published
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:27 Aug 2013 15:20
    Last modified:08 Apr 2024 20:41
    URI:https://strathprints.strath.ac.uk/id/eprint/44613
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