| 氩和氪气体团簇靶的制备及特性研究 |
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| 引用本文： | 王红斌,喻平,葛芳芳,吴玉迟,王磊,陈家斌,杨向东.氩和氪气体团簇靶的制备及特性研究[J].强激光与粒子束,2007,19(4):607-610. |
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| 作者姓名： | 王红斌 喻平 葛芳芳 吴玉迟 王磊 陈家斌 杨向东 |
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| 作者单位： | 1. 四川大学 原子与分子物理研究所, 成都 610065； 2. 中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621900；3. 重庆师范大学, 重庆 400047； 4. 南京师范大学 物理科学与技术学院, 南京 210097； 5. 同济大学 物理系, 上海 200092 |
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| 摘 要： | 采用瑞利散射法和Mach-Zehnder（M-Z）干涉法分别测量氩、氪团簇的尺寸和密度，讨论了影响团簇尺寸和密度的因素，并比较氩团簇和氪团簇特性的异同点。通过改变诊断光和喷嘴阀门的相对延迟时间，获得了团簇尺寸和密度随时间的变化情况，发现氩、氪团簇的尺寸和密度均在3~25 ms达到最大值；在气体背景压强1.2~6.0 MPa下，测量了喷嘴轴线上的密度分布，发现离喷嘴喉部越远，气体密度越低，并且气体密度随压强呈线性上升。
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| 关 键 词： | 团簇 瑞利散射 Mach-Zehnder干涉 时间演变 密度空间分布 |
| 文章编号： | 1001-4322(2007)04-0607-04 |
| 收稿时间： | 2006/12/28 |
| 修稿时间： | 2006-12-28 |
Preparation and experimental investigation of specialty of argon and krypton clusters |
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| WANG Hong-bin,YU Ping,GE Fang-fang,WU Yu-chi,WANG Lei,CHEN Jia-bin,YANG Xiang-dong.Preparation and experimental investigation of specialty of argon and krypton clusters[J].High Power Laser and Particle Beams,2007,19(4):607-610. |
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| Authors: | WANG Hong-bin YU Ping GE Fang-fang WU Yu-chi WANG Lei CHEN Jia-bin YANG Xiang-dong |
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| Institution: | 1. Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China；2. Research Center of Laser Fusion, CAEP, P.O.Box 919-983, Mianyang 621900, China；3. Chongqing Normal University, Chongqing 400047, China；4.Institute of Physics and Technology, Nanjing Normal University, Nanjing 210097, China；5. Department of Physics, Tongji University, Shanghai 200092, China |
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| Abstract: | The Rayleigh scattering and Mach-Zehnder interferometry are employed to investigate the properties of argon and krypton clusters respectively.By comparing the size and density of the two kinds of clusters in detail,the factors of cluster formation are discussed.Varying the delay time between probe laser and nozzle valve,the temporal evolution of size and density is obtained,the density spatial distribution along nozzle axis with the background pressure from 1.2 MPa to 6.0 MPa is measured.Both size and density of the argon and krypton clusters reach max and the system is stable from 3 ms to 25 ms.In addition,the density increases linearly with background pressure,and decreases with the distance away from the nozzle throat. |
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| Keywords: | Cluster Rayleigh scattering M-Z interferometry Temporal evolution Density spatial distribution |
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