Acceleration of heavy multicharged ions up to 1 MeV from a cleaned solid target irradiated by a femtosecond laser pulse with an intensity of 1016 W/cm2 |
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| Authors: | R. V. Volkov V. M. Gordienko I. M. Lachko A. B. Savel’ev D. S. Uryupina |
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| Affiliation: | (1) International Laser Center, Faculty of Physics, Moscow State University, Vorob’evy gory, Moscow, 119992, Russia |
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| Abstract: | A noticeable increase in the charge and energy of ions accelerated from a solid tungsten target irradiated by a femtosecond laser pulse with an intensity higher than 1016W/cm2 has been found when the target surface is precleaned by a nanosecond laser pulse with an energy density of 3 J/cm2. Tungsten ions with charges up to +29 and energies up to 1 MeV were detected in this case, while the charge and energy of tungsten ions from a target with an uncleaned surface do not exceed +3 and 12 keV, respectively. |
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