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Multi-charged heavy ion acceleration from the ultra-intense short pulse laser system interacting with the metal
M Nishiuchi1, H Sakaki1, S Maeda1
1Kansai Photon Science Institute, Japan Atomic Energy Agency, Kizugawa, Kyoto, Japan.
Abstract:
Experimental demonstration of multi-charged heavy ion acceleration from the interaction between the ultra-intense short pulse laser system and the metal target is presented. Al ions are accelerated up to 12 MeV/u (324 MeV total energy). To our knowledge, this is far the highest energy ever reported for the case of acceleration of the heavy ions produced by the <10 J laser energy of 200 TW class Ti:sapphire laser system. Adding to that, thanks to the extraordinary high intensity laser field of ∼10(21) W cm(-2), the accelerated ions are almost fully stripped, having high charge to mass ratio (Q/M).
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