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PERTURBATION-FACILITATED ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY OF THE NA2 B 3-PI-U STATE
WHANG, TJ; STWALLEY, WC; LI, L; LYYRA, AM
刊名JOURNAL OF CHEMICAL PHYSICS
1992-11-15
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
关键词[WOS]FLUORESCENCE SPECTROSCOPY ; INTERCOMBINATION BANDS ; HYPERFINE-STRUCTURE ; RYDBERG STATES ; EXCITED-STATES ; NA-2 ; 1-SIGMA-U+ ; CURVES ; BEAM
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.
语种英语
WOS记录号WOS:A1992JY56700017
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被引频次:33[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/321008/139442
专题中国科学院大连化学物理研究所
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
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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.
APA WHANG, TJ,STWALLEY, WC,LI, L,&LYYRA, AM.(1992).PERTURBATION-FACILITATED ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY OF THE NA2 B 3-PI-U STATE.JOURNAL OF CHEMICAL PHYSICS,97(10),7211-7219.
MLA WHANG, TJ,et al."PERTURBATION-FACILITATED ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY OF THE NA2 B 3-PI-U STATE".JOURNAL OF CHEMICAL PHYSICS 97.10(1992):7211-7219.
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