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题名: High-intensity attosecond pulse generation by using inhomogeneous laser field in frequency and space
作者: Feng, Liqiang1, 2;  Li, Wenliang2, 3;  Castle, Rich-Samuel1;  Li, Yi1, 3
关键词: High-order harmonic generation ;  attosecond pulse generation ;  frequency modulation of the laser ;  space modulation of the laser
刊名: JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS
发表日期: 2017-09-01
DOI: 10.1142/S0218863517500345
卷: 26, 期:3
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics ;  Physics, Applied
研究领域[WOS]: Optics ;  Physics
英文摘要: High-order harmonic spectra and attosecond source generation from Ar atom driven by the inhomogeneous laser field in frequency and space have been theoretically investigated. The results showed that (i) for the case of the frequency modulation of the laser, the harmonic cutor can be remarkably extended with the introduction of the chirp of the laser field, (ii) for the case of the space modulation of the laser, the harmonic cutoff can be further extended by using the positive spatial inhomogeneous field, (iii) by properly adding a terahertz controlling field, the intensity of the harmonic yield can be enhanced by 2 orders of magnitude, showing a 775 eV supercontinuum. As a result, five isolated attosecond pulses (IAPs) from 60 as to 22 as can be obtained.
关键词[WOS]: HIGH-HARMONIC-GENERATION ;  NONLINEAR OPTICS ;  CHIRPED-PULSE ;  ENHANCEMENT
语种: 英语
WOS记录号: WOS:000412574000007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150058
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, Lab Modern Phys, Jinzhou 121001, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Xinjiang Inst Engn, Dept Phys, Urumqi 830091, Peoples R China

Recommended Citation:
Feng, Liqiang,Li, Wenliang,Castle, Rich-Samuel,et al. High-intensity attosecond pulse generation by using inhomogeneous laser field in frequency and space[J]. JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS,2017,26(3).
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