| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Using Target Ablation for Ion Beam Quality Improvement |
| Shuan Zhao1,2, Chen Lin2**, Jia-Er Chen1,2, Wen-Jun Ma2, Jun-Jie Wang3, Xue-Qing Yan2 |
1School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100191
2State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871
3Beijing Third Hospital, Peking University, Beijing 100191
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| Cite this article: |
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Shuan Zhao, Chen Lin, Jia-Er Chen et al 2016 Chin. Phys. Lett. 33 035202 |
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Abstract During the laser foil interaction, the output ion beam quality including the energy spread and beam divergence can be improved by the target ablation, due to the direct laser acceleration (DLA) electrons generated in the ablation plasma. The acceleration field established at the target rear by these electrons, which is highly directional and triangle-envelope, is helpful for the beam quality. With the help of the target ablation, both the beam divergence and energy spread will be reduced. If the ablation is more sufficient, the impact of DLA-electron-caused field will be strengthened, and the beam quality will be better, confirmed by the particle-in-cell simulation.
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Received: 25 October 2015
Published: 31 March 2016
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| PACS: |
52.38.Kd
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(Laser-plasma acceleration of electrons and ions)
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41.75.Jv
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(Laser-driven acceleration?)
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52.35.Mw
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(Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.))
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52.59.-f
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(Intense particle beams and radiation sources)
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