| Growth of deuterium clusters in a gas jet and ion energy spectrum of clusters in ultra-short laser field |
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| 作者姓名： | 刘红杰 谷渝秋 周维民 高宇林 单连强 朱斌 吴玉迟 焦春晔 李芳 曹磊峰 张保汉 郑志坚 |
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| 作者单位： | Laser Fusion Research Centre, China Academy of Engineering Physics National Key Laboratory of Plasma Physics |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No. 10975121) and the Foundation of National
Key Laboratory of Laser Plasma. |
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| 摘 要： | Large deuterium clusters are generated using a cryogenic pulse valve with a cone nozzle (21 mm long, 4° open angle). Rayleigh scattering experiment is carried out to obtain the scaling relation between scattering signal SR and backing pressure P0. A method using the Coulomb explosion model is proposed to verify that the clusters continue to grow after their leaving the nozzle. Our experiments suggest a tentatively optimized position for laser cluster interaction.
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| 关 键 词： | deuterium cluster Rayleigh scattering Coulomb explosion ion energy spectrum |
| 收稿时间： | 2010-10-13 |
Growth of deuterium clusters in a gas jet and ion energy spectrum of clusters in ultra-short laser field |
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| Liu Hong-Jie,Gu Yu-Qiu,Zhou Wei-Min,Gao Yu-Lin,Shan Lian-Qiang,Zhu Bin,Wu Yu-Chi,Jiao Chun-Ye,Li Fang,Cao Lei-Feng,Zhang Bao-Han and Zheng Zhi-Jian.Growth of deuterium clusters in a gas jet and ion energy spectrum of clusters in ultra-short laser field[J].Chinese Physics B,2011,20(6):65203-065203. |
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| Authors: | Liu Hong-Jie Gu Yu-Qiu Zhou Wei-Min Gao Yu-Lin Shan Lian-Qiang Zhu Bin Wu Yu-Chi Jiao Chun-Ye Li Fang Cao Lei-Feng Zhang Bao-Han and Zheng Zhi-Jian |
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| Affiliation: | Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;National Key Laboratory of Plasma Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;National Key Laboratory of Plasma Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;National Key Laboratory of Plasma Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;National Key Laboratory of Plasma Physics, Mianyang 621900, China;Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China;National Key Laboratory of Plasma Physics, Mianyang 621900, China |
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| Abstract: | Large deuterium clusters are generated using a cryogenic pulse valve with a cone nozzle (21 mm long, 4°open angle). Rayleigh scattering experiment is carried out to obtain the scaling relation between scattering signal SR and backing pressure P0. A method using the Coulomb explosion model is proposed to verify that the clusters continue to grow after their leaving the nozzle. Our experiments suggest a tentatively optimized position for laser cluster interaction. |
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| Keywords: | deuterium cluster Rayleigh scattering Coulomb explosion ion energy spectrum |
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