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采用Nd-YAG激光器的四倍频激光(266nm)设计了激光探针分幅阴影成像系统,该系统具有时间分辨率和收光效率高,测量范围大,可有效屏蔽可见光干扰的优点,在钨丝阵实验中成功获得晚期内爆等离子体的分布图像.对系统结构和性能参数做了介绍,对测量结果进行了讨论.
The laser probe fractional shading imaging system is designed by using Nd: YAG laser at a frequency of 266nm. The system has the advantages of time resolution, high light-harvesting efficiency, large measuring range and effective shielding of visible light interference. In tungsten The distribution image of late-stage implosion plasma was successfully obtained in the filament array experiments.The system structure and performance parameters were introduced and the measurement results were discussed.