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首页> 外文期刊>Plasma physics and controlled fusion >Enhancement of laser to x-ray conversion by a double-foil gold target
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Enhancement of laser to x-ray conversion by a double-foil gold target

机译：双箔金靶增强激光到X射线的转换

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摘要

A novel double-foil configuration is proposed to improve the laser to x-ray conversion efficiency from laser irradiating a solid target. One-dimensional radiation hydrodynamic simulations show that the total x-ray conversion efficiency for the double-foil target is as high as 54.7%, which has a 10% improvement compared with the normal target. The improvement is mainly due to the enhanced soft x-ray emissions. Influences of the target geometry parameters on the x-ray conversion efficiency are investigated. Detailed energy distributions and the individual contributions of the two foils to the thermal and kinetic energy terms are presented. It is found that the main energy terms are mostly determined by the first foil, and the enhancement of radiation is attributed to the lower ion kinetic energy of the double-foil target.
机译：提出了一种新颖的双箔配置，以提高激光照射固体靶标的激光到X射线的转换效率。一维辐射流体动力学模拟表明，双箔目标的总X射线转换效率高达54.7％，与正常目标相比提高了10％。改善主要是由于增强的软X射线发射。研究了目标几何参数对X射线转换效率的影响。给出了详细的能量分布以及两个箔片对热能和动能项的贡献。发现主要能量项主要由第一箔片确定，并且辐射的增强归因于双箔靶的较低离子动能。

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