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CS2 decay dynamics investigated by two-color femtosecond laser pulses
Liu, HP; Zhang, JY; Yin, SH; Wang, L; Lou, NQ
刊名PHYSICAL REVIEW A
2004-10-01
DOI10.1103/PhysRevA.70.042501
70期:4
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Optics ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Optics ; Physics
关键词[WOS]MULTIPHOTON IONIZATION SPECTROSCOPY ; PHOTOFRAGMENT TRANSLATIONAL SPECTROSCOPY ; ROTATIONALLY RESOLVED SPECTRA ; JET-COOLED CS2 ; CARBON-DISULFIDE ; 210 NM ; STATE ; PHOTODISSOCIATION ; PREDISSOCIATION ; CM(-1)
英文摘要The Rydberg-state decay dynamics of carbon disulfide (CS2) has been investigated by (2+1') resonance-enhanced multiphoton ionization with the pump-probe technique (pump wavelength 266 nm and probe wavelength 400 nm) on our homebuilt femtosecond laser system. The CS2 is pumped into Rydberg state 6ssigma(g) by two 266-nm photons, corresponding to the excitation energy 9.4 eV, and then ionized by temporally delayed 400-nm pulse. The CS2 ion yield dependence on the time delay determines the excited-state lifetime to be 409 +/- 6 fS for (CSS)-S-32-S-32 and 441 +/- 7 fs for (CSS)-S-32-S-34, respectively, at 265 nm pump and the isotopically averaged lifetime 1034 +/- 31 fs at 267.5 nm pump. The wavelength dependence of the lifetime may be due to the effect of electron spin on the potential energy surface-namely, separately subjected to two different mechanisms: internal conversion and intersystem crossing interaction.
语种英语
WOS记录号WOS:000225322500037
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139296
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
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Liu, HP,Zhang, JY,Yin, SH,et al. CS2 decay dynamics investigated by two-color femtosecond laser pulses[J]. PHYSICAL REVIEW A,2004,70(4).
APA Liu, HP,Zhang, JY,Yin, SH,Wang, L,&Lou, NQ.(2004).CS2 decay dynamics investigated by two-color femtosecond laser pulses.PHYSICAL REVIEW A,70(4).
MLA Liu, HP,et al."CS2 decay dynamics investigated by two-color femtosecond laser pulses".PHYSICAL REVIEW A 70.4(2004).
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