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题名: Abnormal Pressure Effects of H-2 Three-photo Research Enhanced Ionization Spectrostopy
作者: Zhang Guiqiu1;  Sha Guohe1;  Xu Jijun1;  Knott, W.2;  Proch, D.2
关键词: Molecular hydrogen ;  Abnormal pressure effects ;  3-Photon REMPI ;  Third harmonic ;  generation
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 1997
DOI: 10.3866/PKU.WHXB19970708
卷: 13, 期:7, 页:617-620
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The three-photon resonant ionization spectroscopy of H-2 B-1 Sigma(+)(u) - X-1 Sigma(+)(g) (12,0) and C-1 Pi(a), - X-1 Sigma(+)(g) (2,0) exhibits abnormal pressure effects. Some of them are observed for the first time Pressure-induced abnormal line shift, line broadening, line splitting and spectral intensity variations can he well explained by a chanism of reabsorption of the third harmonic generation in the medium. Approximate expressions considering the phase matching requirement yield lineshifts, -splitting and -intensities at different pressures in good agreement with the experimental results. Two similar spectra are detected by two tandem electrode pairs in a gas call which give experimental evidence for THG reabsorption mechanism. The failure to obtain ion signal from circularly polarised light also supports the ab The failure to obtain ion signal from mechanism.
语种: 英语
WOS记录号: WOS:000207601700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142807
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Max Planck Inst Quantenopt, D-85740 Garching, Germany

Recommended Citation:
Zhang Guiqiu,Sha Guohe,Xu Jijun,et al. Abnormal Pressure Effects of H-2 Three-photo Research Enhanced Ionization Spectrostopy[J]. ACTA PHYSICO-CHIMICA SINICA,1997,13(7):617-620.
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