Proposed double-layer target for the generation of high-quality laser-accelerated ion beams |
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| Authors: | Esirkepov T Zh Bulanov S V Nishihara K Tajima T Pegoraro F Khoroshkov V S Mima K Daido H Kato Y Kitagawa Y Nagai K Sakabe S |
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| Affiliation: | Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan. |
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| Abstract: | In order to achieve a high-quality, i.e., monoenergetic, intense ion beam, we propose the use of a double-layer target. The first layer, at the target front, consists of high-Z atoms, while the second (rear) layer is a thin coating of low-Z atoms. The generation of high-quality proton beams from the double-layer target, irradiated by an ultraintense laser pulse, is demonstrated with three-dimensional particle-in-cell simulations. |
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