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学科主题: 物理化学
题名: High-order harmonics extension and isolated attosecond pulse generation in three-color field: Controlling factors
作者: Feng, Liqiang1;  Chu, Tianshu1, 2
通讯作者: 楚天舒
关键词: High-order harmonic generation ;  Time-dependent Schrodinger equation ;  Single isolated attosecond pulse ;  Laser parameter ;  Three-color laser field
刊名: PHYSICS LETTERS A
发表日期: 2011-09-26
DOI: 10.1016/j.physleta.2011.08.039
卷: 375, 期:41, 页:3641-3648
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
摘要: High-order harmonics extension and isolated attosecond pulse generation in three-color field: Controlling factors
研究领域[WOS]: Physics
英文摘要: In the present Letter, we theoretically discuss the optimum conditions for generating ultrashort attosecond pulse in three-color field with a model He exposed to the intense 5 Is, 800 nm fundamental field and the two weak control fields of 25 Is, 400 nm and 25 Is, 1600 nm. Through investigating the controlling factors in HHG spectra generation via manipulating the laser parameters of the three fields, we demonstrate that properly increasing the pulse intensity of 800 nm and 1600 nm fields at the same time with zero phase effects is an effective way to generate short attosecond pulses. Finally, an isolated pulse of 7 as is predicted by Fourier transforming an ultrabroad XUV continuum of 393 eV with phase compensation. (C) 2011 Elsevier B.V. All rights reserved.
关键词[WOS]: NONLINEAR OPTICS ;  LASER FIELD ;  IONIZATION ;  PHYSICS
语种: 英语
WOS记录号: WOS:000295552700019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115380
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, Tianshu. High-order harmonics extension and isolated attosecond pulse generation in three-color field: Controlling factors[J]. PHYSICS LETTERS A,2011,375(41):3641-3648.
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