在低密度半碰撞等离子体中传播的激光束空间相干性的降低

European Conference on Laser Interaction with Matter Pub Date : 2003-12-12 DOI:10.1117/12.537090

P. Michel, C. Labaune, G. Bonnaud, J. Fuchs, H. Bandulet, S. Depierreux, G. Riazuelo, F. Walraet

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摘要

在惯性约束聚变的背景下，提出了激光光束在低密度半碰撞等离子体中传播的“自诱导平滑”实验。这些结果表明，通过增加角扩散和减小热点尺寸，焦点光斑强度模式发生了严重的变化，并与PARAX代码的三维模拟结果进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Reduction of the spatial coherence of a laser beam propagating in an underdense semicollisional plasma

Within the context of inertial confinement fusion, experiments involving the "self-induced smoothing" of a laser beam propagating in an underdense semicollisional plasma are presented. These results, which reveal severe modifications of the focal spot intensity pattern via increased angular spreading and hot spot size reduction, are compared with three-dimensional simulations from the code PARAX.

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European Conference on Laser Interaction with Matter

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