| 激光诱导等离子体电信号探测 |
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| 引用本文： | 郑贤锋,凤尔银,马靖,杨锐,季学韩,崔执凤. 激光诱导等离子体电信号探测[J]. 原子与分子物理学报, 2002, 19(4): 390-394 |
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| 作者姓名： | 郑贤锋 凤尔银 马靖 杨锐 季学韩 崔执凤 |
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| 作者单位： | 安徽师范大学物理系原子与分子物理研究室,安徽,芜湖,24100 |
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| 基金项目： | 教育部骨干教师项目(GG-702-10370-1866),安徽省重点学科经费资助项目. |
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| 摘 要： | 准分子激光烧蚀固体样品产生激光等离子体,用外加直流电场方法收集电子、离子.分析了电流信号的成因以及信号的时间演化特性.得到了电流信号强度与外加电压、缓冲气压和激光能量之间的关系.
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| 关 键 词： | 激光等离子体 外加电场 电信号 |
| 文章编号： | 1000-0364(2002)04-0390-05 |
| 收稿时间： | 2002-04-15 |
| 修稿时间： | 2002-04-15 |
Study on the dynamic characteristic of the laser produced plasma in the additional electric field |
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| ZHENG Xian feng,FENG Er yin,MA Jin,YANG Rui,JI Xue han,CUI Zhi feng. Study on the dynamic characteristic of the laser produced plasma in the additional electric field[J]. Journal of Atomic and Molecular Physics, 2002, 19(4): 390-394 |
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| Authors: | ZHENG Xian feng FENG Er yin MA Jin YANG Rui JI Xue han CUI Zhi feng |
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| Abstract: | Electrons and ions in plasma by Excimer Laser ablating of the solid sample are collected by the electrodes. The forming of the electric signal and the time dependent characteristics are analyzed. The relation between the electric signal intensity with the additional voltage, the pressure of the buffer gas and the laser fluency is obtained. |
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| Keywords: | Laser produced plasma Additional electric field Electrical current signal |
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