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Experimental Investigation of Glass-Layer Confined Ablation in Laser Plasma Propulsion

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【Author】 ZHENG Zhiyuan~(1,2) ZHANG Yi~2 WU Xiuwen~1 CHEN Min~2 LIU Feng~2 LU Xin~2 LI Yutong 1 School of Materials Science and Technology,China University of Geosciences,Beijing 100083,China 2 Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Bei.iing 100080,China

【机构】 School of Materials Science and Technology,China University of Geosciences,Beijing 100083,China Beijing National Laboratory for Condensed Matter Physics,Institute of Physics Chinese Academy of Sciences,Beijing 100080,China； Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing 100080,China； School of Materials Science and Technology,China University of Geosciences,Beijing 100083,China；

【摘要】 <正> Laser plasma propulsion in glass-layer confined ablation was experimentally inves- tigated.The results showed that compared to that of direct ablation,the coupling coefficient was enhanced over ten times.By observing the plasma expansion and calculating the ablation pressure,it was found that a higher ablation pressure and larger glass mass resulted in a higher coupling coefficient in the confined laser ablation.更多还原

【Abstract】 Laser plasma propulsion in glass-layer confined ablation was experimentally inves- tigated.The results showed that compared to that of direct ablation,the coupling coefficient was enhanced over ten times.By observing the plasma expansion and calculating the ablation pressure,it was found that a higher ablation pressure and larger glass mass resulted in a higher coupling coefficient in the confined laser ablation.更多还原

【关键词】 laser plasma； propulsion； coupling coefficient；
【Key words】 laser plasma； propulsion； coupling coefficient；

【基金】 National Natural Science Foundation of China(Nos.10334110,10510490 and 10675164)

【文献出处】 Plasma Science and Technology ,等离子体科学和技术(英文版) , 编辑部邮箱 ,2008年06期

【分类号】TN24

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