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| 脉冲形状和静电场对电离率和高次谐波的影响 | |
| 引用本文： | 薛艳丽,程太旺,李晓峰,林圣路,傅盘铭. 脉冲形状和静电场对电离率和高次谐波的影响[J]. 原子与分子物理学报, 2003, 20(3): 317-321 |
| 作者姓名： | 薛艳丽 程太旺 李晓峰 林圣路 傅盘铭 |
| 作者单位： | 1. 山东师范大学物理系,济南,250014;山东莱阳农学院基础部,莱阳,2652001 2. 中国科学院物理所凝聚态研究中心光物理实验室,北京,100080 3. 山东师范大学物理系,济南,250014 |
| 基金项目： | 国家自然科学基金资助项目,项目编号:69725010和6967800 8 |
| 摘 要： | 采用数值方法研究静电场和不同的激光脉冲对氢原子的电离率和高次谐波的影响.结果表明脉冲形状和电离率之间有着确定的关系,电离率反过来又影响了谐波谱的性质;另外,随着所加的静电场强度的增大,电离率呈上升的趋势,而谐波谱出现一个双平台的结构. |
| 关 键 词： | 高次谐波 电离率 脉冲 |
| 文章编号： | 1000-0364(2003)03-0317-05 |
| 收稿时间： | 2002-11-01 |
| 修稿时间： | 2002-11-01 |
The effects of pulse-shape and static electric field on ionization and high-order harmonic generation |
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| XUE Yan li ,,CHENG Tai wang ,LI Xiao feng ,LIN Sheng lu ,FU Pan ming. The effects of pulse-shape and static electric field on ionization and high-order harmonic generation[J]. Journal of Atomic and Molecular Physics, 2003, 20(3): 317-321 | |
| Authors: | XUE Yan li CHENG Tai wang LI Xiao feng LIN Sheng lu FU Pan ming |
| Affiliation: | XUE Yan li 1,3,CHENG Tai wang 2,LI Xiao feng 2,LIN Sheng lu 1,FU Pan ming 2 |
| Abstract: | We study the effects of pulse shape and static electric field on ionization and high order harmonic generation (HHG) of a one dimensional model hydrogen atom. The series of results indicate that there is a certain relationship between the ionization probability and the pulse shape, which in turn influences the character of HHG. The ionization probability increases as the additional field intensity is increased. The HHG spectrum exhibits a double platea structure when the intensity of the electric field is suitable. |
| Keywords: | High order harmonic generation Ionization Laser pulse |
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