Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse

被引：4
|
作者：
Yan, Yan [1 ,2 ]
Guo, Fu-Ming [1 ,2 ]
Wang, Jun [1 ,2 ]
Chen, Ji-Gen [3 ]
Yang, Yu-Jun [1 ,2 ]
机构：
[1] Jilin Univ, Inst Atom & Mol Phys, Changchun 130012, Jilin, Peoples R China
[2] Jilin Univ, Jilin Prov Key Lab Appl Atom & Mol Spect, Changchun 130012, Jilin, Peoples R China
[3] Taizhou Univ, Dept Phys & Mat Engn, Taizhou 318000, Peoples R China
来源：
CHINESE PHYSICS B | 2018年 / 27卷 / 08期
基金：
中国国家自然科学基金;
关键词：
high-order harmonic generation; above threshold ionization; MIDINFRARED PULSES; RARE-GASES; GENERATION; IONIZATION; DIFFRACTION; HOLOGRAPHY; PHYSICS;
D O I：
10.1088/1674-1056/27/8/083202
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We simultaneously investigate variations of a low order harmonic and photoelectron emission with an incident laser intensity by solving the time-dependent Schrodinger equation in a momentum space. It can be found that, the intensity of low order harmonic and photoelectron are gradually enhanced with the increase of the laser intensity, when the laser frequency is not in resonance with the transition frequency between the laser-induced high excited states and the ground state. If the resonance occurs, the intensity of the lower order harmonic is reduced and the interference can be observed in the lower order photoelectron spectra.
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页数：5
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