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Laser propulsion with a high specific impulse using a thin film propellant |
Zhang Yi(张翼)a), Lu Xin(鲁欣)a), Zhou Mu-Lin(周木林)a), Lin Xiao-Xuan(林晓宣)a), Zheng Zhi-Yuan(郑志远)a)b), Li Yu-Tong(李玉同)a), and Zhang Jie(张杰)a)c)† |
a Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; b School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China; c Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China |
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Abstract A new laser propulsion scheme with a high specific impulse is proposed in this paper. An extremely thin polyimide film is used as the propellant to eliminate thermal diffusion and sputter from the target material. It is found that a high specific impulse of 1520 s can be achieved at 1011 -W/cm2 laser intensity because of economic use of the propellant. The influences of the laser intensity and the ablation area on the specific impulse are also studied in the experiment.
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Received: 13 September 2010
Revised: 12 November 2010
Accepted manuscript online:
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PACS:
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79.20.Eb
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(Laser ablation)
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52.75.Di
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(Ion and plasma propulsion)
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79.20.Ds
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(Laser-beam impact phenomena)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10905049) and the National Basic Research
Program of China (Grant No. 2007CB815101). |
Cite this article:
Zhang Yi(张翼), Lu Xin(鲁欣), Zhou Mu-Lin(周木林), Lin Xiao-Xuan(林晓宣), Zheng Zhi-Yuan(郑志远), Li Yu-Tong(李玉同), and Zhang Jie(张杰) Laser propulsion with a high specific impulse using a thin film propellant 2011 Chin. Phys. B 20 087901
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