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首页> 外文会议>Conference Series no.182; International Symposium on the Science and Technology of Light Sources; 20040718-22; Toulouse(FR) >Temporal Behavior of Radial Distribution of Xenon Metastable Atoms in Xenon Low Pressure Lamps
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Temporal Behavior of Radial Distribution of Xenon Metastable Atoms in Xenon Low Pressure Lamps

机译：氙低压灯中氙亚稳原子径向分布的时间行为

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摘要

As the first step to understand the processes in the pulsed xenon discharge, temporal behavior of the radial metastable atom distribution in the xenon lamp was measured by IR laser absorption spectroscopy. In first 10 μs after starting discharge, high electron density and the decrease in the ground state atoms at the center brought about almost flat distribution of the metastable atoms at the radius less than half of the lamp inner radius. After that, the metastable atom density became higher at the center than outside because of the recombination between electrons and ions. Modeling including calculation of electron and temperature distribution to verify the discussion is now in progress.
机译：作为了解脉冲氙气放电过程的第一步，通过红外激光吸收光谱法测量了氙气灯中径向亚稳态原子分布的时间行为。在开始放电后的前10 s中，高电子密度和中心处基态原子的减少导致亚稳原子在小于灯内半径一半的半径处几乎呈平坦分布。之后，由于电子和离子之间的复合，亚稳态原子密度在中心处变得比外部高。目前正在进行建模，包括计算电子和温度分布以验证讨论。

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