Rapid heating of solid density material by a petawatt laser

Rapid heating of solid density material by a petawatt laser
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通过拍瓦激光快速加热固体密度材料

DOI：
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发表时间：
2005
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影响因子：
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通讯作者：
S. Rose
S. Rose
中科院分区：
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文献类型：
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作者：
R. Evans;E. Clark;R. Eagleton;A. M. Dunne;R. Edwards;W. Garbett;T. Goldsack;S. James;C. C. Smith;B. Thomas;R. Clarke;D. Neely;S. Rose

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用聚焦到1020W cm−2的Vulcan Petawatt激光照射固体靶的时间分辨X射线光谱表明，固体密度下的材料被加热到500eV以上的温度，深度约为15μm，持续时间超过30ps。用隐式混合等离子体程序LSP模拟表明，通过阻性抑制吹脱层中的激光加速电子，加热对激光预脉冲是敏感的。
Time-resolved x-ray spectra from solid targets irradiated by the VULCAN Petawatt laser focused to 1020Wcm−2 show that material at solid density is heated to temperatures above 500 eV to a depth of about 15 μm and for a duration of more than 30 ps. Modeling with the implicit hybrid plasma code LSP shows that the heating is sensitive to the laser prepulse through resistive inhibition of the laser accelerated electrons in the blow off layer.