Properties of femtosecond laser-driven shock waves in aluminum

被引:1
作者
Xin J. [1 ,2 ]
Weng J. [2 ]
Liu C. [2 ]
Zhong J. [2 ]
Song Z. [2 ]
Wang G. [2 ]
机构
[1] Research Center of Laser Fusion, CAEP, Mianyang 621900
[2] Institute of Fluid Physics, CAEP, Mianyang 621900
来源
Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams | 2010年 / 22卷 / 09期
关键词
Aluminum film; Femtosecond laser; Frequency-domain interferometry; Shock wave;
D O I
10.3788/HPLPB20102209.2019
中图分类号
学科分类号
摘要
The frequency-domain interferometry has been used to study the properties of shock waves driven by the femtosecond laser. The observation results of shock waves driven by a 0.7 mJ, 35 fs pulse laser with the intensity of 1014W/cm2 level in a 200 nm-thick aluminum film were presented. From the transit time varying with the thickness of aluminium film, the shock velocity was measured to be about 6 km/s. The measured frequency-domain interferograms showed that the rear surface velocity was 1 km/s, and according to the relation of planar shock waves, the shock pressure was calculated to be 9 GPa.
引用
收藏
页码:2019 / 2022
页数:3
相关论文
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