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题名: A New kHz Velocity Map Ion/Electron Imaging Spectrometer for Femtosecond Time-Resolved Molecular Reaction Dynamics Studies
作者: He, Zhi-gang1, 2;  Chen, Zhi-chao1, 2;  Yan, Dong-yuan1, 2;  Dai, Dong-xu1;  Wu, Guo-rong1;  Yang, Xue-ming1
关键词: Photoelectron spectrum ;  Pump/probe ;  Femtosecond time-resolved
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2017-06-01
DOI: 10.1063/1674-0068/30/cjcp1702018
卷: 30, 期:3, 页:247-252
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: A new velocity map imaging spectrometer is constructed for molecular reaction dynamics studies using time-resolved photoelectron/ion spectroscopy method. By combining a kHz pulsed valve and an ICCD camera, this velocity map imaging spectrometer can be run at a repetition rate of 1 kHz, totally compatible with the fs Ti:Sapphire laser system, facilitating time-resolved studies in gas phase which are usually time-consuming. Time-resolved velocity map imaging study of NH3 photodissociation at 200 nm was performed and the time-resolved total kinetic energy release spectrum of H+NH2 products provides rich information about the dissociation dynamics of NH3. These results show that this new apparatus is a powerful tool for investigating the molecular reaction dynamics using time-resolved methods.
关键词[WOS]: PHOTOELECTRON ANGULAR-DISTRIBUTIONS ;  SPECTROSCOPY ;  TRANSITION ;  INVERSION ;  AMMONIA ;  EXPANSION ;  CLUSTERS ;  IMAGES ;  ENERGY
语种: 英语
WOS记录号: WOS:000405446400002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152028
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.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
He, Zhi-gang,Chen, Zhi-chao,Yan, Dong-yuan,et al. A New kHz Velocity Map Ion/Electron Imaging Spectrometer for Femtosecond Time-Resolved Molecular Reaction Dynamics Studies[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2017,30(3):247-252.
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