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在钠蒸气中,分别通过原子和分子的双光子共振三光子电离和双光子混合共振三光子电离两种激发机制,测得了不同温度下的电离信号激发谱,对结果作了较为详细的分析。 相似文献
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钠蒸气中的双光子共振三光子电离和双光子混合并振三光子电离 总被引:2,自引:2,他引:0
在钠原子-分子混合样品中,分别运用双光子共振三光子电离以及双光子混合共振三光子电离,测得了钠原子4D态的电离流时间衰减曲线。由电离流与多光子动力学参数的关系,得到了4D态的光电离截面。 相似文献
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The competition effects among the processes that occur in the two-photon 3S→4D excitation of Na atom in Na-Na2 vapour mixture are observed: such as atomic ionization, optical-pumped stimulated radiation, four-wave frequency mixing and molecular stimulated diffuse-band radiation, etc. The dip at the two-photon resonance in the excitation spectrum for the diffuse-band radiation under high temperature condition is interpreted as the suppression of population in 4D state. 相似文献
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