提高腔靶激光能量注入率的新途径
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摘要: 在“星光Ⅱ”上测量了入射孔边缘镀CH膜的孔靶激光能量注入率,给出了注入率随入射激光能量和波长变化的经验公式,同时对堵口现象物理机理进行了一维数值模拟。实验结果表明:镀CH膜是增加激光能量注入率、提高腔靶辐射温度的有效方法。Abstract: Laser energyinjection efficiencywas measured at “Xinguang Ⅱ” under the conditions where CHfoils were plated onthe edge of laser entrance hole. The physics mechanism of enclosure was displayed by onedimensional numericalsimulation. The experimental results show that CHplating hole targets havehigher laser energy injection efficiency.
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