Frustrated double ionization of atoms in strong laser fields

被引：26
作者：
Li, Yingbin [1 ]
Xu, Jingkun [1 ]
Yu, Benhai [1 ]
Wang, Xu [2 ]
机构：
[1] Xinyang Normal Univ, Coll Phys & Elect Engn, Xinyang 464000, Peoples R China
[2] China Acad Engn Phys, Grad Sch, Beijing 100193, Peoples R China
来源：
OPTICS EXPRESS | 2020年 / 28卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ABOVE-THRESHOLD IONIZATION; DYNAMICS; HELIUM;
D O I：
10.1364/OE.384819
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
With a three-dimensional classical ensemble method, we theoretically investigated frustrated double ionization (FDI) of atoms with different laser wavelengths. Our results show that FDI can be more efficiently generated with shorter wavelengths and lower laser intensities. With proper laser parameters more FDI events can be generated than normal double ionization events. The physical condition under which FDI events happen is identified and explained. The energy distribution of the FDI products - atomic ions in highly excited states - shows a sensitive wavelength dependency. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：7341 / 7349
页数：9
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