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题名: Femtosecond Photoelectron Imaging of N-2 at 410 nm
作者: Guo, Wei1;  Wei, Shanshan1;  Lu, Xingqiang2;  Wang, Li3
关键词: Two-step model ;  Rydberg states ;  Ponderomotive potential ;  Resonant/nonresonant population transfer
刊名: BULLETIN OF THE KOREAN CHEMICAL SOCIETY
发表日期: 2010-12-20
DOI: 10.5012/bkcs.2010.31.12.3693
卷: 31, 期:12, 页:3693-3696
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: We experimentally measure the kinetic energy and angular distributions of photoelectrons of N-2 as a function of 410 nm femtosecond laser intensity by using velocity map imaging technique. The strong-field multiphoton ionization of molecules shares many of the characteristics with those of atoms. Electron kinetic energies are nearly independent of laser intensities. The independence suggests that the electron peaks in the photoelectron spectrum actually result from a two-step process, indicative of the occurrence of real population in the intermediate states. The relative amplitudes of electron peaks indicate that in the two-step process, nonresonant population transfer dominates for low intensities, while resonant population transfer dominates for higher intensities.
关键词[WOS]: PULSE MULTIPHOTON IONIZATION ;  ABOVE-THRESHOLD IONIZATION ;  DYNAMICS ;  ELECTRONS ;  FIELDS ;  STATES ;  XENON ;  ARGON
语种: 英语
WOS记录号: WOS:000286150900037
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141918
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.Univ S China, Sch Elect Engn, Hengyang 421001, Peoples R China
2.Univ S China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China
3.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Guo, Wei,Wei, Shanshan,Lu, Xingqiang,et al. Femtosecond Photoelectron Imaging of N-2 at 410 nm[J]. BULLETIN OF THE KOREAN CHEMICAL SOCIETY,2010,31(12):3693-3696.
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