首页> 外文期刊>Plasma physics and controlled fusion >Effect of plasma inhomogeneity on ion acceleration when an ultra-intense laser pulse interacts with a foil target
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Effect of plasma inhomogeneity on ion acceleration when an ultra-intense laser pulse interacts with a foil target

机译:当超强激光脉冲与箔靶相互作用时,等离子体不均匀性对离子加速的影响

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Fast electrons generated via the interaction of ultra-intense laser pulses with a solid target can produce multi-MeV ions from laser-induced plasmas. These fast ions can be used for various applications ranging from the ion implantation to the stimulation of nuclear reactions. The most important point here is the efficiency of production of such fast ions. We analyse in detail, with the help of an analytical model and particle-in-cell simulations, the most efficient acceleration mechanisms including the ponderomotive force driving and acceleration by the shock wave, and compare the electrostatic ion acceleration at the front side and at the rear side of a foil target. We also determine the optimal plasma density distribution shaped by the laser pre-pulse. [References: 24]
机译:通过超强激光脉冲与固体靶相互作用产生的快速电子可以从激光诱导的等离子体中产生多MeV离子。这些快速离子可用于从离子注入到刺激核反应的各种应用。这里最重要的一点是产生这种快速离子的效率。我们将借助分析模型和单元内粒子模拟详细分析最有效的加速机制,包括质动力驱动和冲击波加速,并比较正面和侧面的静电离子加速度。箔靶的背面。我们还确定了由激光预脉冲形成的最佳等离子体密度分布。 [参考:24]

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