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题名: Pump-dump control and the related transient absorption spectroscopies
作者: Shen, ZW;  Yan, YJ;  Cheng, JX;  Shuang, F;  Zhao, Y;  He, GZ
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 1999-04-15
卷: 110, 期:15, 页:7192-7201
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: We combine theories of optimal pump-dump control and the related transient probe absorption spectroscopy in order to elucidate the relation between these two optical processes and the possibility of experimental realization. In the weak response regime, we identify the globally optimal pair of pump-dump control fields, and further propose a second-order difference detection scheme to monitor the wave packets dynamics that is jointly controlled by both the pump and dump fields. The globally optimal solution serves also as the initial input for the iterative search for the optimal control fields in the strong response regime. We use a model I-2 molecule to demonstrate numerically the pump-dump control and the detection of a highly vibrationally excited wave packet focusing dynamics on the ground X surface in both the weak and strong response regimes. The I2B surface serves as the intermediate to assist the pump-dump control and the optical detection processes. Demonstrated in the strong response regime are the optimal pair of pump-dump molecular-pi pulses that invert nearly total population onto the predefined target region within a half period of vibration motion. (C) 1999 American Institute of Physics. [S0021-9606(99)00115-4].
关键词[WOS]: PICOSECOND LASER-PULSES ;  WAVE-PACKET EVOLUTION ;  MULTIPHOTON IONIZATION ;  CHEMICAL-REACTION ;  QUANTUM CONTROL ;  LIGHT-PULSES ;  VIBRATIONAL-EXCITATION ;  MOLECULAR-DYNAMICS ;  PROBE SPECTROSCOPY ;  PRODUCT FORMATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000079625600012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/85287
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.Hong Kong Univ Sci & Technol, Dept Chem, Hong Kong, Hong Kong
2.Lab Bond Select Chem Sci & Technol China, Hefei, Peoples R China
3.Dalian Inst Chem Phys, Lab Mol React Dynam, Dalian, Peoples R China

Recommended Citation:
Shen, ZW,Yan, YJ,Cheng, JX,et al. Pump-dump control and the related transient absorption spectroscopies[J]. JOURNAL OF CHEMICAL PHYSICS,1999,110(15):7192-7201.
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