Generation of third harmonic emission in propagation of femtosecond laser pulses in air

被引：0
|
作者：
Xi Ting-Ting [1 ]
Zhang Jie [1 ]
Lu Xin [1 ]
Hao Zuo-Qiang [1 ]
Yang Hui [1 ]
Dong Quan-Li [1 ]
Wu Hui-Chun [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100080, Peoples R China
来源：
CHINESE PHYSICS | 2006年 / 15卷 / 09期
关键词：
third harmonic emission; plasma channel;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The main characteristics of the third harmonic emission generated by femtosecond laser pulses propagating in air are investigated by numerically solving the coupled nonlinear Schrodinger equations. Strong third harmonic emission is observed with a maximum conversion efficiency as high as 0.43%. The on-axis phase difference between fundamental beam and third harmonic is investigated. The result is in good agreement with the phase-locking mechanism. Dependence of the conversion of third harmonic emission on focusing conditions is also studied. The results are also compared with those of experiments.
引用
收藏
页码：2025 / 2029
页数：5
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