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题名: Ultraviolet Source Assisted Enhancement of Attosecond Pulse
作者: Feng, Li-qiang1, 2;  Liu, Hang3
关键词: High-order harmonic generation ;  Isolated pulse ;  Two-color orthogonal field ;  Ultraviolet source
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2015-02-01
DOI: 10.1063/1674-0068/28/cjcp1410171
卷: 28, 期:1, 页:21-26
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: A promising method to improve the attosecond pulse intensity has been theoretically presented by properly adding an ultraviolet pulse into the orthogonal two-color field. The results show that by properly adding a 125 nm ultraviolet pulse to the orthogonal two-color field, not only the harmonic yield is enhanced by 2 orders of magnitude compared with the original orthogonal two-color field case, but also the single short quantum path, which is selected to contribute to the harmonic spectrum, results in an ultrabroad 152 eV bandwidth. Moreover, by optimizing the laser parameters, we find that the harmonic enhancement is not very sensitive to the pulse duration and the polarized angle of the assisted ultraviolet pulse, which is much better for experimental realization. As a result, an isolated pulse with duration of 38 as can be obtained, which is 2 orders of magnitude improvement in comparison with the original two-color orthogonal field case.
关键词[WOS]: GENERATION ;  FIELD
语种: 英语
WOS记录号: WOS:000351806100004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146133
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.Liaoning Univ Technol, Coll Sci, Jinzhou 121000, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Liaoning Univ Technol, Sch Chem & Environm Engn, Jinzhou 121000, Peoples R China

Recommended Citation:
Feng, Li-qiang,Liu, Hang. Ultraviolet Source Assisted Enhancement of Attosecond Pulse[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2015,28(1):21-26.
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