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题名: Water window attosecond sources generation by using the multi-cycle time-delay two circularly polarized pulses
作者: Feng, Li-Qiang1, 2;  Liu, Hang3
关键词: Attosecond pulse ;  water window region ;  high-order harmonic generation ;  circularly polarized pulse
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS B
发表日期: 2015-09-20
DOI: 10.1142/S0217979215501702
卷: 29, 期:23
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Applied ;  Physics, Condensed Matter ;  Physics, Mathematical
研究领域[WOS]: Physics
英文摘要: In this paper, a promising scheme is proposed to generate the water window isolated attosecond pulses from the high-order harmonics by using the multi-cycle time-delay two circularly polarized pulses. The results show that with the introduction of delay time of the two pulses, not only the harmonic cutoff is extended, but also the modulation on the harmonic spectrum is suppressed. Especially for the lambda(1) = 1200 nm, lambda(2) = 1600 nm and the lambda(1) = lambda(2) = 1600 nm two cases, a 341 eV and a 502 eV supercontinua including the whole water window region are obtained. Finally, by properly superposing the harmonics in the supercontinua regions, a series of sub-34as wavelength-tunable attosecond pulses in the water window region can be obtained.
关键词[WOS]: HIGH-HARMONIC-GENERATION ;  BAND SUPERCONTINUUM GENERATION ;  ELECTRON LOCALIZATION ;  ASSISTED GENERATION ;  NONLINEAR OPTICS ;  PLATEAU ;  PHYSICS ;  FIELDS
语种: 英语
WOS记录号: WOS:000361570900008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146557
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. Water window attosecond sources generation by using the multi-cycle time-delay two circularly polarized pulses[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,2015,29(23).
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