碳氢靶强激光烧蚀特性

  • 摘要: 给出了准稳态情况下强激光烧蚀碳氢靶的实验结果,并与理论定标关系进行对比。 实验中采用晶体谱仪时间积分和X射线条纹相机同时获取碳氢平面靶强激光烧穿厚度和烧穿时间。采用基频光大能量注入,大焦斑(Φ 400μm),光束经列阵透镜均匀化后, 烧蚀碳氢平面靶。

     

    Abstract: The experimental results ofablation of CH targets by high power laserand the comparison with the theory have been given. The ablation thickness and timewere synchronously measured with time integrated Xray crystal spectrometers anda Xray streak camera.Using a lens arrayto make the laser energy distribution uniform, the diameter of focus spot φ400mm,Ia≈0.55×1014W/cm2,CH plane targets,m〖DD(-2

     

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