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超短脉冲激光与固体靶相互作用产生的高温高密等离子体中的物理过程是非常复杂的.在超短脉冲激光等离子体的研究中;二次谐波光谱特性的研究可以提供有关激光吸收机制、密度标量长度及超热电子产生的信息.因此对二次谐波的研究成为诊断激光等离子体相互作用的有力工具. 本文
The physics of high-temperature, high-density plasma generated by the interaction of an ultra-short pulse laser with a solid target is very complex. In the study of ultrashort pulsed laser plasmas, studies of the second harmonic spectral properties can provide information on laser absorption mechanisms, density scalar lengths, and generation of superheated electrons. Therefore, the study of the second harmonic becomes a powerful tool to diagnose laser plasma interaction. This article