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学科主题: 物理化学
题名: A single isolated sub-50 attosecond pulse generation with a two-color laser field by a frequency-chirping technique
作者: Zhao, Kun2;  Chu, Tianshu1, 2
通讯作者: 楚天舒*
刊名: CHEMICAL PHYSICS LETTERS
发表日期: 2011-07-26
DOI: 10.1016/j.cplett.2011.06.005
卷: 511, 期:1-3, 页:166-171
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1101
产权排名: 2,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
摘要: A single isolated sub-50 attosecond pulse generation with a two-color laser field by a frequency-chirping technique
研究领域[WOS]: Chemistry ;  Physics
英文摘要: We discuss the possibility of using the frequency-chirping technique to shorten the duration of the generated single attosecond pulse (SAP) by a two-color laser field of 800 and 1600 nm with few-cycle pulses. By adopting various combinations of the two frequency-chirped laser fields in our numerical simulation of ionizing He atom, we demonstrate that the best possible condition to obtain the shortest SAP is using the same chirping in both the fundamental and the half-harmonic laser fields without any phase effect and any delay time. There is a maximum increment of about 40 eV in the bandwidth of the XUV super-continuum in the cutoff (the second plateau) region. A single isolated attosecond pulse of 48 as can be generated that is further reduced to 9.7 as by phase compensation. (C) 2011 Elsevier B. V. All rights reserved.
关键词[WOS]: MULTIPHOTON IONIZATION ;  HARMONIC-GENERATION ;  MOLECULAR-DYNAMICS ;  MULTICYCLE LASERS
语种: 英语
WOS记录号: WOS:000292687900034
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115383
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.Qingdao Univ, Inst Computat Sci & Engn, Lab New Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Zhao, Kun,Chu, Tianshu. A single isolated sub-50 attosecond pulse generation with a two-color laser field by a frequency-chirping technique[J]. CHEMICAL PHYSICS LETTERS,2011,511(1-3):166-171.
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