| 脉冲高能准分子激光烧蚀块靶产生等离子体的动力学过程的差分模拟 |
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| 引用本文： | 钟志成,李智华,张端明,关丽.脉冲高能准分子激光烧蚀块靶产生等离子体的动力学过程的差分模拟[J].强激光与粒子束,2001,13(3):317-320. |
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| 作者姓名： | 钟志成 李智华 张端明 关丽 |
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| 作者单位： | 华中科技大学 物理系, 湖北 武汉430074 |
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| 基金项目： | 华中科技大学激光技术国家重点实验室资助课题 !(9731D)，湖北省教育厅重大科研项目!(2 0 0 0 B5 0 0 2 ) |
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| 摘 要： | 利用质量连续性、动量守恒和能量守恒这三个基本方程，研究高能脉冲激光照射块状靶材产生等离子体的物理特性。采用差分法和Pichard迭代法，求解带特定边界条件的流体力学三方程，得出已喷射等离子体的温度、密度和速度的分布的迭代方程，并用计算机进行了数值模拟。
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| 关 键 词： | 块状靶材 脉冲激光 等离子体 烧蚀面 流体动力学 |
| 文章编号： | 1001-4322(2001)03-0317-04 |
| 收稿时间： | 2001/3/9 |
| 修稿时间： | 2001年3月9日 |
Modify the dynamic process of the bulk target's plasma plume generated by pulsed laser |
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| ZHONG Zhi-cheng,LI Zhi-hua,ZHANG Duan-Ming,GUAN LI.Modify the dynamic process of the bulk target's plasma plume generated by pulsed laser[J].High Power Laser and Particle Beams,2001,13(3):317-320. |
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| Authors: | ZHONG Zhi-cheng LI Zhi-hua ZHANG Duan-Ming GUAN LI |
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| Institution: | The Physical Department, Huazhong University of Science and Technology,Wuhan 430074, China |
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| Abstract: | The plasma characteristics of the bulk target irradiated by pulse laser is studied in detail, and the theoretical model of pulsed laser driven ablation is set up accordingly. In addition, the velocity distribution of the plasma is discussed. Moreover, the plasma density and temperature near the ablating surface as the function of time are discussed respectively by using hydrodynamic theory and the heat conduction equation .At the same time, our theoretical results are compared with our experiments and other authors' conclusions. |
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| Keywords: | bulk target pulsed laser plasma ablation surface hydrodynamic theory |
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