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Population Redistribution Among Multiple Electronic States of Molecular Nitrogen Ions in Strong Laser Fields
Yao, Jinping; Jiang, Shicheng; Chu, Wei; Zeng, Bin; Wu, Chengyin; Lu, Ruifeng; Li, Ziting; Xie, Hongqiang; Li, Guihua; Yu, Chao; Wang, Zhanshan; Jiang, Hongbing; Gong, Qihuang; Cheng, Ya; cywu@pku.edu.cn; rflu@njust.edu.cn; ya.cheng@siom.ac.cn
2016
发表期刊Phys. Rev. Lett.
卷号116期号:14
摘要We carry out a combined theoretical and experimental investigation on the population distributions in the ground and excited states of tunnel-ionized nitrogen molecules at various driver wavelengths in the near- and midinfrared range. Our results reveal that efficient couplings (i.e., population exchanges) between the ground N-2(+)(X-2 Sigma(+)(g)) state and the excited N-2(+)(A(2)Pi(u)) and N-2(+)(B-2 Sigma(+)(u)) states occur in strong laser fields. The couplings result in a population inversion between the N-2(+)(X-2 Sigma(+)(g)) and N-2(+)(B-2 Sigma(+)(u)) states at wavelengths near 800 nm, which is verified by our experimental observation of the amplification of a seed at similar to 391 nm. The result provides insight into the mechanism of free-space nitrogen ion lasers generated in remote air with strong femtosecond laser pulses.
文章类型Article
部门归属强光
DOI10.1103/PhysRevLett.116.143007
资助者National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357] ; National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357] ; National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357] ; National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357]
收录类别SCI
资助者National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357] ; National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357] ; National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357] ; National Basic Research Program of China [2013CB922403, 2014CB921303]; National Natural Science Foundation of China [11134010, 61590934, 21373113, 11474009, 11434002, 61575211, 11304330, 11404357]
WOS记录号WOS:000373587800007
引用统计
被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28692
专题强场激光物理国家重点实验室
通讯作者cywu@pku.edu.cn; rflu@njust.edu.cn; ya.cheng@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Yao, Jinping,Jiang, Shicheng,Chu, Wei,et al. Population Redistribution Among Multiple Electronic States of Molecular Nitrogen Ions in Strong Laser Fields[J]. Phys. Rev. Lett.,2016,116(14).
APA Yao, Jinping.,Jiang, Shicheng.,Chu, Wei.,Zeng, Bin.,Wu, Chengyin.,...&ya.cheng@siom.ac.cn.(2016).Population Redistribution Among Multiple Electronic States of Molecular Nitrogen Ions in Strong Laser Fields.Phys. Rev. Lett.,116(14).
MLA Yao, Jinping,et al."Population Redistribution Among Multiple Electronic States of Molecular Nitrogen Ions in Strong Laser Fields".Phys. Rev. Lett. 116.14(2016).
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