| Time-Resolved Investigation of Ionization of Clusters Irradiated by a Strong Laser |
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| 作者姓名： | 刘建胜 李儒新 王成 李邵辉 王向欣 朱频频 曾志男 倪国权 徐至展 刘晶儒 |
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| 作者单位： | [1]LaboratoryforHighIntensityOptics,ShanghaiInstituteofOpticsandFineMechanics,ChineseAcademyofSciences,Shanghai201800 [2]不详,ShanghaiInstituteofOpticsandFineMechanics,ChineseAcademyofSciences,Shanghai201800 [3]NorthwestInstituteofNuclearTechnology,Xi‘an710024 |
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| 摘 要： | Ionization dynamics of clusters irradiated by chirped femtosecond lasers is investigated by using a linearly chirped pulse spectral interferometry with a time resolution of less than lOOfs. The production of an average charged-Xe^18 and -Kr^9 ions indicates a strong energy coupling between laser and cluster. Ultrafast depletion of the probing laser is observed to be strictly coincident with the ionization front as seen in other experiments. Moreover,a two-step ionization process for Xe and Kr clusters irradiated by high-intensity lasers has been observed, which implies the role of resonance enhancement during the cluster explosion.
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| 关 键 词： | 电离动力学 原子团簇 强激光 原子物理学 电离时间 |
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