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题名: Theoretical exploration of laser-parameter effects on the generation of an isolated attosecond pulse from two-color high-order harmonic generation
作者: Shao, Tianjiao1, 2;  Zhao, Guangjiu1, 3;  Wen, Bin2;  Yang, Huan1, 3
刊名: PHYSICAL REVIEW A
发表日期: 2010-12-30
DOI: 10.1103/PhysRevA.82.063838
卷: 82, 期:6
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Optics ;  Physics
英文摘要: In the present work, laser-parameter effects on the isolated attosecond pulse generation from two-color high-order harmonic generation (HHG) process are theoretically investigated by use of a wave-packet dynamics method. A 6-fs, 800-nm, 6 x 10(14) W/cm(2), linearly polarized laser pulse serves as the fundamental driving pulse and parallel linearly polarized control pulses at 400 nm (second harmonic) and 1600 nm (half harmonic) are superimposed to create a two-color field. Of the two techniques, we demonstrate that using a half-harmonic control pulse with a large relative strength and zero phase shift relative to the fundamental pulse is a more promising way to generate the shortest attosecond pulses. As a consequence, an isolated 12-as pulse is obtained by Fourier transforming an ultrabroad xuv continuum of 300 eV in the HHG spectrum under half-harmonic control scheme when the relative strength root R = 0.6 and relative phase = 0.
关键词[WOS]: FIELD ;  DYNAMICS
语种: 英语
WOS记录号: WOS:000286747600013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141681
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.Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
3.Shandong Univ, Sch Phys, Jinan 250100, Peoples R China

Recommended Citation:
Shao, Tianjiao,Zhao, Guangjiu,Wen, Bin,et al. Theoretical exploration of laser-parameter effects on the generation of an isolated attosecond pulse from two-color high-order harmonic generation[J]. PHYSICAL REVIEW A,2010,82(6).
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