DICP OpenIR
Subject Area物理化学
High-order harmonic generation spectra and isolated attosecond pulse generation with a two-color time delayed pulse
Feng, Liqiang1; Chu, Tianshu1,2; Chu TS(楚天舒)
KeywordHigh-order Harmonic Generation Isolated Attosecond Pulse Delay Time Effect Two-color Held
Source PublicationJOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
2012-03-01
DOI10.1016/j.elspec.2011.11.004
Volume185Issue:1-2Pages:39-46
Indexed BySCI
SubtypeArticle
Department11
Funding Project1101
Contribution Rank1,1
WOS HeadingsScience & Technology ; Technology
WOS SubjectSpectroscopy
WOS Research AreaSpectroscopy
WOS KeywordRARE-GASES ; LASER ; FIELD ; INTENSITY ; IONIZATION ; DEPENDENCE ; PHYSICS ; REGIME ; PHASE ; ATOMS
AbstractIn this paper, we theoretically investigate the delay time effect on the high-order harmonic generation (HHG) when a model Ne atom is exposed to a two-color time delayed pulse, consisting of a 5fs/800 nm fundamental field and a 20fs/2000 nm controlling field. It shows that the HHG spectra are strongly sensitive to the delay time between the two laser fields, in particular, for the zero carrier-envelope phase (CEP) phi case (corresponding to the 800 nm fundamental field), the maximum cutoff energy has been achieved at zero delay time. However, with the introduction of the CEP (phi = 180), the delay effect on HHG is changed, exhibiting a 'U' structure harmonic emission from -1T to 1 T. In addition, the combinations of different controlling pulse frequencies and pulse intensities have also been considered, showing the similar results as the original controlling field case, but with some characteristics. Finally, by properly superposing the optimal harmonic spectrum, an isolated 45as pulse is generated without phase compensation. (C) 2011 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000301684300008
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/118094
Collection中国科学院大连化学物理研究所
Corresponding AuthorChu TS(楚天舒)
Affiliation1.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
GB/T 7714
Feng, Liqiang,Chu, Tianshu,Chu TS. High-order harmonic generation spectra and isolated attosecond pulse generation with a two-color time delayed pulse[J]. JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA,2012,185(1-2):39-46.
APA Feng, Liqiang,Chu, Tianshu,&楚天舒.(2012).High-order harmonic generation spectra and isolated attosecond pulse generation with a two-color time delayed pulse.JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA,185(1-2),39-46.
MLA Feng, Liqiang,et al."High-order harmonic generation spectra and isolated attosecond pulse generation with a two-color time delayed pulse".JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA 185.1-2(2012):39-46.
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