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学科主题: 物理化学
题名: Controls for the generation of high-order harmonics and attosecond pulses by an infrared laser field combined with a low-frequency pulse
作者: He Hai-Xiang1;  Guo Ya-Hui1;  He Guo-Zhong1
通讯作者: 贺海翔
关键词: high-order harmonics ;  isolated attosecond pulse ;  LZH-DICP code
刊名: CHINESE PHYSICS B
发表日期: 2012-08-01
DOI: 10.1088/1674-1056/21/8/080202
卷: 21, 期:8, 页:802021
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1101
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
英文摘要: We investigate high-order harmonic generations by controlling various quantum paths of harmonics in an infrared laser field which combines a low-frequency pulse. Both classical theory and the quantum wavelet transform method are used to understand the physics of harmonics. By adjusting the carrier envelope phase of the fundamental field, the intensities of harmonic spectra increase and the harmonics in the plateau become regular. Attosecond pulses each with a duration of 58 as are obtained directly by compressing the harmonics, and with phase compensation an isolated attosecond pulse less than 30 as can be generated.
语种: 英语
WOS记录号: WOS:000307501600002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117799
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
He Hai-Xiang,Guo Ya-Hui,He Guo-Zhong. Controls for the generation of high-order harmonics and attosecond pulses by an infrared laser field combined with a low-frequency pulse[J]. CHINESE PHYSICS B,2012,21(8):802021.
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