High-energy ions accelerated by 60-fs laser

Koshichi Nemoto; Takashi Fujii; Yuji Oishi; Takuya Nayuki

doi:10.1117/12.536883

12 December 2003 High-energy ions accelerated by 60-fs laser

Koshichi Nemoto, Takashi Fujii, Yuji Oishi, Takuya Nayuki

Proceedings Volume 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter; (2003) https://doi.org/10.1117/12.536883
Event: ECLIM 2002: 27th European conference on Laser Interaction with Matter, 2002, Moscow, Russian Federation

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 τ_L [J μm²/cm²] than laser intensity I λ² [W μm²/cm²] in the short pulse region around 100 fs.

Citation Download Citation

Koshichi Nemoto, Takashi Fujii, Yuji Oishi, and Takuya Nayuki "High-energy ions accelerated by 60-fs laser", Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); https://doi.org/10.1117/12.536883

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