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题名: PERTURBATION-FACILITATED ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY OF THE NA2 B 3-PI-U STATE
作者: WHANG, TJ;  STWALLEY, WC;  LI, L;  LYYRA, AM
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 1992-11-15
卷: 97, 期:10, 页:7211-7219
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: The Na2 b 3PI(u) state has been studied by the continuous wave (cw) all-optical triple resonance (AOTR) technique. The AOTR technique used here corresponds to a perturbation-facilitated optical-optical double resonance (PFOODR) excitation through A 1SIGMA(u)+ approximately b 3PI(u) mixed intermediate levels from the ground state to the 2 3PI(g) state and stimulated emission pumping (SEP) of the 2 3PI(g) --> 3PI(u) transition. This sub-Doppler high-resolution PFOODR-SEP technique has allowed us to reach many b 3PI(u) levels (OMEGA=0, 1, 2, perturbed and unperturbed, including low v below the A1 SIGMA(u)+ potential minimum and higher vibrational levels up to v = 57). Based on these new high resolution data and previous results from high resolution spectroscopy, we have determined a new set of deperturbed molecular constants from the b 3PI(u) state up to nu=57, the corresponding RKR potential energy curve and the A 1SIGMA(u)+ approximately 3PI(u) spin-orbit interaction constants. This represents an example of a powerful and general technique for observing a "dark" (e.g., triplet) perturbing state when only the "bright" (e.g., singlet) perturbed state is well known from single photon spectroscopy.
关键词[WOS]: FLUORESCENCE SPECTROSCOPY ;  INTERCOMBINATION BANDS ;  HYPERFINE-STRUCTURE ;  RYDBERG STATES ;  EXCITED-STATES ;  NA-2 ;  1-SIGMA-U+ ;  CURVES ;  BEAM
语种: 英语
WOS记录号: WOS:A1992JY56700017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139442
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 IOWA,DEPT PHYS & ASTRON,IOWA CITY,IA 52242
2.DALIAN INST CHEM PHYS,DALIAN 116023,PEOPLES R CHINA
3.TEMPLE UNIV,DEPT PHYS,PHILADELPHIA,PA 19122
4.TEMPLE UNIV,DEPT CHEM,PHILADELPHIA,PA 19122

Recommended Citation:
WHANG, TJ,STWALLEY, WC,LI, L,et al. PERTURBATION-FACILITATED ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY OF THE NA2 B 3-PI-U STATE[J]. JOURNAL OF CHEMICAL PHYSICS,1992,97(10):7211-7219.
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