The characteristics of confined ablation in laser propulsion |
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Authors: | Zheng Zhi-Yuan Zhang Jie Hao Zuo-Qiang Yuan Xiao-Hui Zhang Zhe Lu Xin Wang Zhao-Hua and Wei Zhi-Yi |
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Institution: | Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; State Key Laboratory of Transient Optics Technology, Chinese Academy of Sciences, Xi'an 710068, China |
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Abstract: | Compared with direct ablation, confined ablation provides an effective way
to obtain a large target momentum and a high coupling coefficient. By using
a transparent glass layer to cover the target surface, the coupling
coefficient is enhanced by an order of magnitude. With the increase of the gap
width between the target surface and the cover layer, the coupling
coefficient exponentially decreases. It is found that the coupling
coefficient is also related to the thickness of the cover layer. |
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Keywords: | laser plasma propulsion confinement ablation |
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