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学科主题物理化学
Generation of an isolated sub-40-as pulse using two-color laser pulses: Combined chirp effects
Feng, Liqiang1; Chu, Tianshu2; Chu TS(楚天舒)
刊名PHYSICAL REVIEW A
2011-11-28
ISSN待补充
DOI10.1103/PhysRevA.84.053853
84期:5页:053853
收录类别SCI
文章类型Article
部门归属11
项目归属1101
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Optics ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Optics ; Physics
关键词[WOS]ORDER HARMONIC-GENERATION ; ATTOSECOND PULSE ; FIELD ; PHOTODISSOCIATION ; DYNAMICS ; PHYSICS ; ATOMS
英文摘要Generation of an isolated sub-40-as pulse using two-color laser pulses: Combined chirp effects; In this paper, we theoretically discuss the combined chirp effects on the isolated attosecond generation when a model Ar is exposed to an intense 5-fs, 800-nm fundamental chirped pulse combined with a weak 10-fs, 1200-nm controlling chirped pulse. It shows that for the case of the chirp parameters beta(1) = 6.1 (corresponding to the 800-nm field) and beta(2) = 4.0 (corresponding to the 1200-nm field), both the harmonic cutoff energy and the supercontinuum can be remarkably extended resulting in a 663-eV bandwidth. Moreover, due to the introduction of the chirps, the short quantum path is selected to contribute to the harmonic spectrum. Finally, by superposing a properly selected harmonic spectrum in the supercontinuum region, an isolated pulse as short as 31 as (5 as) is generated without (with) phase compensation.
语种英语
WOS记录号WOS:000297406500028
引用统计
被引频次:91[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115623
专题中国科学院大连化学物理研究所
通讯作者Chu TS(楚天舒)
作者单位1.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
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GB/T 7714
Feng, Liqiang,Chu, Tianshu,Chu TS. Generation of an isolated sub-40-as pulse using two-color laser pulses: Combined chirp effects[J]. PHYSICAL REVIEW A,2011,84(5):053853.
APA Feng, Liqiang,Chu, Tianshu,&楚天舒.(2011).Generation of an isolated sub-40-as pulse using two-color laser pulses: Combined chirp effects.PHYSICAL REVIEW A,84(5),053853.
MLA Feng, Liqiang,et al."Generation of an isolated sub-40-as pulse using two-color laser pulses: Combined chirp effects".PHYSICAL REVIEW A 84.5(2011):053853.
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