Ionic Angular Distributions Induced by Strong-Field Ionization of Tri-Atomic Molecules
Tian Sun, Shi-Wen Zhang, Rui Wang, Shuang Feng, Yang Liu, Hang Lv** , Hai-Feng Xu
Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012
Abstract ：Angular distributions of fragment ions from ionization of several tri-atomic molecules (CO$_{2}$, OCS, N$_{2}$O and NO$_{2}$) by strong 800-nm laser fields are investigated via a time-of-flight mass spectrometer. Anisotropic angular distributions of fragment ions, especially those of atomic ions, are observed for all of the molecules studied. These anisotropic angular distributions are mainly due to the geometric alignment of molecules in the strong field ionization. Distinct different patterns in ionic angular distributions for different molecules are observed. It is indicated that both molecular geometric structure and ionization channels have effects on the angular distributions of strong field ionization/fragmentation.
收稿日期: 2019-12-19
出版日期: 2020-03-24
:
33.80.Rv
(Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))
引用本文:
. [J]. 中国物理快报, 2020, 37(4): 43301-.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/37/4/043301
或
https://cpl.iphy.ac.cn/CN/Y2020/V37/I4/43301
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2020, Vol. 37 
