| 热锂束荧光探测电子密度 |
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| 引用本文： | 于宜君.热锂束荧光探测电子密度[J].物理学报,1990,39(12):1921-1927. |
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| 作者姓名： | 于宜君 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所,合肥,230031 |
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| 摘 要： | 使用基于锂原子与电子碰撞激励产生荧光以测量电子密度的新方法,并用CCD摄象机和S20光电倍增管同时观察了锂原子6708?(2P0—2S)的荧光信号,并从光强分布曲线推算出电子密度的径向分布。
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| 关 键 词： | 热锂束 荧光 电子密度 测量 |
| 收稿时间： | 3/6/1989 12:00:00 AM |
MEASUREMENT OF ELECTRON DENSITY BY MEANS OF THE FLUORESCENCE OF A THERMAL LITHIUM BEAM |
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| YU YI-JUN.MEASUREMENT OF ELECTRON DENSITY BY MEANS OF THE FLUORESCENCE OF A THERMAL LITHIUM BEAM[J].Acta Physica Sinica,1990,39(12):1921-1927. |
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| Authors: | YU YI-JUN |
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| Abstract: | We use a new method to measure electron density in the boundary layer of plasma, which is based on the fluorescence resulting from the collision of electron and lithium atom. We observe the fluorescence signal of lithium atom at 6708?(2P0-2S) with both CCD-camera and S20 photo-multipliers simultaneously. From the received radial intensity distribution, we deduce the radial distribution of electron density.
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