Spectral splitting of high-order harmonic emissions from ionizing gases

被引：6
|
作者：
Zhong, FC [1 ]
Li, Z [1 ]
Zeng, ZN [1 ]
Zhang, ZQ [1 ]
Li, RX [1 ]
Xu, ZZ [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Lab High Intens Opt, Shanghai 201800, Peoples R China
来源：
PHYSICAL REVIEW A | 2002年 / 65卷 / 03期
关键词：
D O I：
10.1103/PhysRevA.65.033808
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Combining the one-dimensional propagation equation and wavelet transform of the dipole of an atom in an intense laser field, the spectra of harmonics generated and propagated in an ionizing noble gas have been analyzed. It shows that the spectral lines of harmonics exhibit broadening, blueshifting, and splitting into two peaks owing to the rapid ionization of gases and make the spectra of high-order harmonic emissions become quasicontinuum in the higher-order region.
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页数：6
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