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Persistent URL http://purl.org/net/epubs/work/31449664
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Record Id 31449664
Title Ion acceleration in multispecies targets driven by intense laser radiation pressure
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Abstract The acceleration of ions from ultrathin foils has been investigated by using 250 TW, subpicosecond laser pulses, focused to intensities of up to 3×1020  W cm−2. The ion spectra show the appearance of narrow-band features for protons and carbon ions peaked at higher energies (in the 5–10  MeV/nucleon range) and with significantly higher flux than previously reported. The spectral features and their scaling with laser and target parameters provide evidence of a multispecies scenario of radiation pressure acceleration in the light sail mode, as confirmed by analytical estimates and 2D particle-in-cell simulations. The scaling indicates that monoenergetic peaks with more than 100  MeV/nucleon are obtainable with moderate improvements of the target and laser characteristics, which are within reach of ongoing technical developments.
Organisation CLF , CLF-HPL , CI , STFC , CLF-VULCAN
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Language English (EN)
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Journal Article Phys Rev Lett 109, no. 18 (2012): 185006. doi:10.1103/PhysRevLett.109.185006 2012