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Dynamics of excited OCS investigated by resonance-enhanced multiphoton ionization; Dynamics of excited OCS investigated by resonance-enhanced multiphoton ionization
Liu, HP; Zhang, JY; Ying, SH; Xu, DL; Jiang, B; Wang, L; Lou, NQ
刊名PHYSICAL REVIEW A ; PHYSICAL REVIEW A
2002-05-01 ; 2002-05-01
DOI10.1103/PhysRevA.65.052503 ; 10.1103/PhysRevA.65.052503
65期:5页:52503-52503
收录类别SCI ; SCI
文章类型Article ; Article
WOS标题词Science & Technology ; Science & Technology ; Physical Sciences ; Physical Sciences
类目[WOS]Optics ; Optics ; Physics, Atomic, Molecular & Chemical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Optics ; Optics ; Physics ; Physics
关键词[WOS]PHOTOFRAGMENT EXCITATION SPECTROSCOPY ; PHOTOFRAGMENT EXCITATION SPECTROSCOPY ; CM(-1) ENERGY REGION ; CM(-1) ENERGY REGION ; CARBONYL SULFIDE ; CARBONYL SULFIDE ; POLYATOMIC-MOLECULES ; POLYATOMIC-MOLECULES ; SULFUR-COMPOUNDS ; SULFUR-COMPOUNDS ; 223 NM ; 223 NM ; PHOTODISSOCIATION ; PHOTODISSOCIATION ; STATE ; STATE ; DISTRIBUTIONS ; DISTRIBUTIONS ; POLARIZATION ; POLARIZATION
英文摘要The predissociation decay behavior of molecule carbonyl sulfide (OCS) has been investigated by resonance-enhanced multiphoton ionization spectroscopy using the pump-probe technique of dichroic femtosecond lasers in real time. The lifetime of excited OCS around 74 720 cm(-1) by two-photon absorption of 268 nm, corresponding to upsilon(1)=1 of the Rydberg state [(2)Pi(1/2)]4ppi((1)Sigma(+)), is directly determined to be tau(D)=1071+/-11 fs. This picosecond decay process indicates that the excited state is predissociative. The temporal information of dissociation enriches the knowledge of the potential-energy surface of the associative excited state.; The predissociation decay behavior of molecule carbonyl sulfide (OCS) has been investigated by resonance-enhanced multiphoton ionization spectroscopy using the pump-probe technique of dichroic femtosecond lasers in real time. The lifetime of excited OCS around 74 720 cm(-1) by two-photon absorption of 268 nm, corresponding to upsilon(1)=1 of the Rydberg state [(2)Pi(1/2)]4ppi((1)Sigma(+)), is directly determined to be tau(D)=1071+/-11 fs. This picosecond decay process indicates that the excited state is predissociative. The temporal information of dissociation enriches the knowledge of the potential-energy surface of the associative excited state.
语种英语 ; 英语
原文出处查看原文 ; 查看原文
WOS记录号WOS:000175743800074 ; WOS:000175743800074
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被引频次:2[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/321008/83907
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Liu, HP,Zhang, JY,Ying, SH,et al. Dynamics of excited OCS investigated by resonance-enhanced multiphoton ionization, Dynamics of excited OCS investigated by resonance-enhanced multiphoton ionization[J]. PHYSICAL REVIEW A, PHYSICAL REVIEW A,2002, 2002,65, 65(5):52503-52503, 52503-52503.
APA Liu, HP.,Zhang, JY.,Ying, SH.,Xu, DL.,Jiang, B.,...&Lou, NQ.(2002).Dynamics of excited OCS investigated by resonance-enhanced multiphoton ionization.PHYSICAL REVIEW A,65(5),52503-52503.
MLA Liu, HP,et al."Dynamics of excited OCS investigated by resonance-enhanced multiphoton ionization".PHYSICAL REVIEW A 65.5(2002):52503-52503.
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