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学科主题: 物理化学
题名: Intensity Enhancement in Attosecond Pulse Generation
作者: Feng, Liqiang1;  Chu, Tian-Shu1, 2
通讯作者: 楚天舒
关键词: Attosecond pulse enhancement ;  high-order harmonic generation (HHG) ;  nonlinear optics
刊名: IEEE JOURNAL OF QUANTUM ELECTRONICS
发表日期: 2012-11-01
DOI: 10.1109/JQE.2012.2207948
卷: 48, 期:11, 页:1462-1466
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 ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Electrical & Electronic ;  Optics ;  Physics, Applied
研究领域[WOS]: Engineering ;  Optics ;  Physics
英文摘要: We present an efficient method to enhance the attosecond pulse intensity when either a model He+ ion or a neutral He atom is exposed to the combination of a synthesized two-color field (800 and 1600 nm) and a high-order harmonic pulse. The results show that, by properly adding an ultrashort 13th (61.5 nm), 27th (29.6 nm), or 6th (125.2 nm), 13th (62.6 nm) harmonic pulse (corresponding to an 800 nm pulse) to the synthesized two-color field, the harmonic yields from the He+ ion or the He atom are effectively enhanced by two to five or one to two orders of magnitude compared with the original two-color field case. Finally, by properly superposing the harmonic spectrum in the supercontinuum region, we can obtain an intense attosecond pulse as short as 41as (He+) and 46as (He) from our 1-D simulations.
关键词[WOS]: NONLINEAR OPTICS ;  PHYSICS
语种: 英语
WOS记录号: WOS:000310139100001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118122
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
2.Qingdao Univ, Inst Computat Sci & Engn, Lab New Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Peoples R China

Recommended Citation:
Feng, Liqiang,Chu, Tian-Shu. Intensity Enhancement in Attosecond Pulse Generation[J]. IEEE JOURNAL OF QUANTUM ELECTRONICS,2012,48(11):1462-1466.
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