Beam depletion method for measuring velocity distributions of cluster beams

Beam depletion method for measuring velocity distributions of cluster beams
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测量束束速度分布的束流损耗法

DOI：
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发表时间：
1988
期刊：
影响因子：
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通讯作者：
W. D. Knight
W. D. Knight
中科院分区：
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文献类型：
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作者：
M. Vollmer;K. Selby;V. Kresin;J. Masui;M. Krüger;W. D. Knight

文献摘要

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提出了一种研究束束速度分布的简单方法。在光子吸收之后，被激发的团簇从光束中移除。这导致检测器处的信号减弱。使用时间分辨检测，可以从信号形状中提取速度分布的所有参数。该技术在中性钠簇束中得到了验证。信号形状的解析计算与实测数据非常吻合。
A simple method to investigate the velocity distributions of cluster beams is presented. Following photon absorption, excited clusters are removed from the beam. This results in a reduced signal at the detector. Using time‐resolved detection, all the parameters of the velocity distribution can be extracted from the signal shape. The technique is demonstrated for a neutral sodium cluster beam. An analytical calculation of the signal shape is in excellent agreement with the data.