Title: Dominance of Radiation Pressure in Ion Acceleration with Linearly Polarized Pulses at Intensities of 10(21) W cm(2) (vol 108, 115002, 2012)
Authors: Qiao, B
Kar, S
Geissler, M
Gibbon, Paul
Zepf, M
Borghesi, M #
Issue Date: 2012
Publisher: American Physical Society
Series Title: Physical Review Letters vol:109 issue:2 pages:115002-115002
Abstract: A novel regime is proposed where, by employing linearly polarized laser pulses at intensities
1021 Wcm2 (2 orders of magnitude lower than discussed in previous work [T. Esirkepov et al., Phys.
Rev. Lett. 92, 175003 (2004)]), ions are dominantly accelerated from ultrathin foils by the radiation pressure
and have monoenergetic spectra. In this regime, ions accelerated from the hole-boring process quickly catch
up with the ions accelerated by target normal sheath acceleration, and they then join in a single bunch,
undergoing a hybrid light-sail–target normal sheath acceleration. Under an appropriate coupling condition
between foil thickness, laser intensity, and pulse duration, laser radiation pressure can be dominant in this
hybrid acceleration. Two-dimensional particle-in-cell simulations show that 1.26 GeV quasimonoenergetic
C6þ beams are obtained by linearly polarized laser pulses at intensities of 1021 Wcm2.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: DI
Appears in Collections:Non-KU Leuven Association publications
# (joint) last author

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