Intensity limits in phase-matched high-order harmonics generation

被引：0
|
作者：
Z. Liu
R. Li
Z. Xu
机构：
[1] Laboratory for High Intensity Optics,
[2] Shanghai Institute of Optics and Fine Mechanics,undefined
[3] Chinese Academy of Sciences,undefined
[4] Shanghai 201800,undefined
[5] P.R. China,undefined
来源：
Applied Physics B | 2000年 / 70卷
关键词：
PACS: 42.65.Ky; 32.80.Wr; 42.65.Re;
D O I：
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中图分类号：
学科分类号：
摘要：
The phase-matching process of high-order harmonics generated in rare gases confined in a hollow-fiber wave-guide is investigated theoretically. A simple calculation is built to explore the effects of several important parameters in phase-matched high-order harmonics generation. A cutoff intensity for a certain order phase-matched harmonic is found, which depends on the maximum order of phase-matched harmonic. The calculations show that an ultrashort laser pulse and the medium with a higher ionization potential are necessary for generation of higher-order phase-matched harmonics.
引用
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页码：S203 / S206
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