High Coupling Efficiency Generation in Water Confined Laser Plasma Propulsion
ZHENG Zhi-Yuan 1,2, ZHANG Yi1, ZHOU Wei-Gong2, LU Xin1, LI Yu-Tong1, ZHANG Jie1
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2School of Materials Science and Technology, China University of Geosciences, Beijing 100083
High Coupling Efficiency Generation in Water Confined Laser Plasma Propulsion
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2School of Materials Science and Technology, China University of Geosciences, Beijing 100083
摘要High coupling efficiency generation in water confined laser plasma propulsion is investigated. It is found that the coupling efficiency is enhanced over thirty times in water confined ablation compared to that of direct ablation. From calculation of the ablation pressure induced by the plasma on the target surface, it is realized that high coupling efficiency is attributed to the confinement of the water layer on the plasma expansion.
Abstract：High coupling efficiency generation in water confined laser plasma propulsion is investigated. It is found that the coupling efficiency is enhanced over thirty times in water confined ablation compared to that of direct ablation. From calculation of the ablation pressure induced by the plasma on the target surface, it is realized that high coupling efficiency is attributed to the confinement of the water layer on the plasma expansion.
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2007, Vol. 24 
