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Proceedings Paper

High-energy ions accelerated by 60-fs laser
Author(s): Koshichi Nemoto; Takashi Fujii; Yuji Oishi; Takuya Nayuki
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Paper Abstract

1 MeV proton from thin Cu tape target with 5 μm thickness was observed in the region of laser intensity (α~1.5) and ultra short pulse range of 60 fs. Carbon ion acceleration was also observed and the maximum energy was higher than 0.4 MeV. The energy and charged states of proton and carbon were measured by a Thomson mass spectrometer with CR39. The maximum proton energy seems to depend more on the laser energy density I λ2 τL [J μm2/cm2] than laser intensity I λ2 [W μm2/cm2] in the short pulse region around 100 fs.

Paper Details

Date Published: 12 December 2003
PDF: 8 pages
Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); doi: 10.1117/12.536883
Show Author Affiliations
Koshichi Nemoto, Central Research Inst. of Electric Power Industry (Japan)
Takashi Fujii, Central Research Inst. of Electric Power Industry (Japan)
Yuji Oishi, Central Research Inst. of Electric Power Industry (Japan)
Takuya Nayuki, Central Research Inst. of Electric Power Industry (Japan)


Published in SPIE Proceedings Vol. 5228:
ECLIM 2002: 27th European Conference on Laser Interaction with Matter
Oleg N. Krokhin; Sergey Yu. Gus'kov; Yury A. Merkul'ev, Editor(s)

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