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题名: Harmonic Extension and Enhancement Using a Two-Color Chirped Pulse and an Ultrashort Ultraviolet Pulse
作者: Feng, Liqiang1, 2;  Li, Wenliang2;  Liu, Hang3;  Yuan, Minghu2;  Yuan, Shuping4;  Chu, Tianshu2, 4
关键词: harmonic extension ;  high-order harmonic generation ;  intensity enhancement ;  isolated attosecond pulse
刊名: SPECTROSCOPY LETTERS
发表日期: 2014-11-26
DOI: 10.1080/00387010.2013.847846
卷: 47, 期:10, 页:781-789
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Spectroscopy
研究领域[WOS]: Spectroscopy
英文摘要: A promising method to both extend the harmonic energy and enhance the harmonic intensity is presented when a He atom is exposed to the combination of a two-color chirped pulse and an ultrashort ultraviolet pulse. It is found that: (1) with the introduction of the two chirps, the harmonic energy has been remarkably extended; (2) by properly adding an ultrashort ultraviolet pulse to this synthesized two-color chirped pulse, the harmonic yield is enhanced by 3 orders of magnitude compared with the two-color chirped case; (3) the harmonic spectrum higher than the 96th order shows an ultrabroad supercontinuum with a 395eV bandwidth, and the proper superposition over the harmonics directly produced a series of intense 40 as pulses which is 3 orders of magnitude higher than that in the two-color chirped case.
关键词[WOS]: QUANTUM PATH CONTROL ;  RARE-GASES ;  GENERATION ;  FIELD ;  EMISSION ;  PHYSICS ;  ATOMS
语种: 英语
WOS记录号: WOS:000335850700007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145750
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, 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, Peoples R China
4.Qingdao Univ, Inst Computat Sci & Engn, Lab New Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Peoples R China

Recommended Citation:
Feng, Liqiang,Li, Wenliang,Liu, Hang,et al. Harmonic Extension and Enhancement Using a Two-Color Chirped Pulse and an Ultrashort Ultraviolet Pulse[J]. SPECTROSCOPY LETTERS,2014,47(10):781-789.
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