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题名: Three-state model for femtosecond broadband stimulated Raman scattering
作者: Sun, Z.1;  Qiu, Xue Q.1;  Lu, J.2;  Zhang, Dong H.3, 4;  Lee, Soo-Y.1
关键词: femtosecond ;  stimulated ;  Raman scattering ;  inverse Raman scattering ;  nonlinear processes
刊名: JOURNAL OF RAMAN SPECTROSCOPY
发表日期: 2008-11-01
DOI: 10.1002/jrs.2040
卷: 39, 期:11, 页:1568-1577
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: Stimulated Raman scattering (SRS) is analyzed with a three-state model. Using a diagrammatic density-matrix formalism, SRS by a pair of Raman pump and probe pulses, with observation along the probe direction, is described principally by eight terms. The eight terms can be grouped into four sets, which are labeled as SRS or IRS (inverse Raman scattering): SRS(I), SRS(ID, IRS(I), and IRS(II). Specializing to the case of femtosecond SRS (FSRS) by a picosecond (ps) Raman pump pulse and a femtosecond (fs) probe pulse, the spectra for the four sets of terms under off-resonance and resonance conditions were calculated. The results obtained can explain the FSRS experimental observations from a (decaying) stationary vibrational state, such as (1) high wavenumber resolution (determined by the narrow bandwidth Raman pump pulse) and high time resolution (deter-mined by the fs probe pulse), (2) Stokes gain vs anti-Stokes loss in off-resonance FSRS, and (3) dispersive lineshapes in resonance FSRS. Copyright (C) 2008 John Wiley & Sons, Ltd.
关键词[WOS]: EXCITED-STATE ;  BETA-CAROTENE ;  ULTRAFAST DYNAMICS ;  SPECTROSCOPY
语种: 英语
WOS记录号: WOS:000261206200010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141052
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.Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637616, Singapore
2.Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Ctr Theoret & Computat Chem, Dalian 116023, Peoples R China

Recommended Citation:
Sun, Z.,Qiu, Xue Q.,Lu, J.,et al. Three-state model for femtosecond broadband stimulated Raman scattering[J]. JOURNAL OF RAMAN SPECTROSCOPY,2008,39(11):1568-1577.
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