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题名: Dissociation of NO2 in femtosecond intense fields
作者: Zhu Jingyi;  Guo Wei;  Wang Yanqiu;  Wang Li
关键词: femtosecond laser ;  laser intensity ;  field-induced ionization ;  field-induced dissociation
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2006-05-01
DOI: 10.1007/s11434-006-1185-2
卷: 51, 期:10, 页:1185-1190
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: Experimental investigations on the dissociation and ionization processes of NO2 in intense fields at wavelengths of 810, 405 and 270 nm, are presented. The ratios of NO2+/NO+ are found to be independent of the laser intensity at these three wavelengths, but show strong dependence on the wavelengths. Longer wavelength produces a larger parent-ion yield in comparison with 405 nm. Peak profiles of all the fragment ions clearly show little kinetic energy releasing during the dissociation. Fragment ions are suggested to be produced from dissociation of the field ionized parent ions. Our results indicate that laser pulse wavelengths are the most important parameters in ionization-fragmen- tation process of polyatomic molecules in intense field other than the laser intensity.
关键词[WOS]: LASER MASS-SPECTROMETRY ;  MULTIPHOTON IONIZATION ;  AROMATIC-HYDROCARBONS ;  PULSES ;  MOLECULES ;  DYNAMICS ;  NM
语种: 英语
WOS记录号: WOS:000238882200005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140274
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 Modern React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Zhu Jingyi,Guo Wei,Wang Yanqiu,et al. Dissociation of NO2 in femtosecond intense fields[J]. CHINESE SCIENCE BULLETIN,2006,51(10):1185-1190.
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