Atomic high-order harmonic generation from a circularly polarized laser pulse

被引：3

作者：

Guo Fu-Ming ^{[1
]}

Chen Gao ^{[2
]}

Chen Ji-Gen ^{[3
]}

Li Su-Yu ^{[1
]}

Yang Yu-Jun ^{[1
]}

机构：

[1] Jilin Univ, Inst Atom & Mol Phys, Changchun 130012, Peoples R China

[2] Changchun Univ Sci & Technol, Sch Sci, Changchun 130022, Peoples R China

[3] Taizhou Univ, Dept Phys & Mat Engn, Taizhou 318000, Peoples R China

来源：

CHINESE PHYSICS B | 2013年 / 22卷 / 02期

基金：

中国国家自然科学基金;

关键词：

high-order harmonic generation; circularly polarized intense laser; ATTOSECOND; PHYSICS;

D O I：

10.1088/1674-1056/22/2/023204

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate theoretically that the high-order harmonic of an atom can be generated by a circularly polarized laser pulse. The harmonic spectrum shows a clear cutoff with an energy I-p + 2U(p). In particular, the high-order harmonic generation comes from the multiple recombination of the ionized electron with non-zero initial velocity. These results are verified by the classical model theory and the time-frequency analysis of a harmonic spectrum.

引用

页数：5

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