标题： 定向库仑爆炸效应在强激光脉冲作用于双层靶时对质子加速的影响 显示英文标题

标题： Directed Coulomb explosion effect on proton acceleration by an intense laser pulse from a double-layer target

摘要： 我们研究了通过将百太瓦激光脉冲照射到双层靶上实现离子加速的情况。 通过分析和三维粒子模拟显示，使用第一层具有高电荷与质量比材料可以得到更高能量的质子，因为这种材料中会发生强烈的库仑爆炸。 结果是，质子可以持续加速更长时间。 在目标的最佳条件下，展示了可以生成高能量和高质量的质子。 显示英文摘要

摘要： We examine ion acceleration by irradiating a hundred TW laser pulse on a double-layer target. It is shown analytically and by three-dimensional particle-in-cell simulations that higher energy protons are obtained by using material with a high charge-to-mass ratio in the first layer of a double-layer target, because a strong Coulomb explosion occurs in such a material. As a result, the protons keep accelerating for a longer time. Using the optimal conditions for the target, it is shown that high energy and high quality protons can be generated.