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论述了高亮度激光加速薄箔时借助预脉冲使消蚀压强对称化,实验中使用超短激光脉冲放大系统,讨论了脉冲展宽前为提高能量对比度直接放大的可能性。在ПИКО装置上证实强度100GW/cm2的10ps激光脉冲放大1.2倍。
The paper discusses the symmetry of the erosion pressure by the pre-pulse when the high-speed laser accelerates the thin foil. In the experiment, the ultra-short laser pulse amplification system is used. The possibility of direct enlargement of energy contrast before pulse broadening is discussed. On the ПИКО device, a 10ps laser pulse of 100GW / cm2 intensity was amplified 1.2 times.