The Na2 23Δg state: CW perturbation-facilitated optical-optical double resonance spectroscopy

Thou Jen Whang; A. Marjatta Lyyra; William C. Stwalley; Li Li

doi:10.1016/0022-2852(91)90305-T

The Na₂ 2³Δ_g state: CW perturbation-facilitated optical-optical double resonance spectroscopy

Thou Jen Whang, A. Marjatta Lyyra, William C. Stwalley, Li Li

Department of Chemistry

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20 Citations (Scopus)

Abstract

The Na₂ (σ_g3s)(4dδ_g) 2³Δ_g state has been studied by CW sub-Doppler perturbation-facilitated optical-optical double resonance (PFOODR) spectroscopy. Twenty-three vibrational levels have been observed with resolved fine-hyperfine structure. The fine-hyperfine coupling scheme of the 2³Δ_g state is exactly the same as the Na₂ (σ_g3s)(3dδ_g) 1³Δ_g: case b_βs coupling with Fermi contact constant b = 221.7 MHz. Absolute vibrational numbering of the 2³Δ_g state has been determined from the PFOODR fluorescence to the b³Π_u state. The Dunham coefficients were then derived and the corresponding RKR potential curve was determined.

Original language	English
Pages (from-to)	505-511
Number of pages	7
Journal	Journal of molecular spectroscopy
Volume	149
Issue number	2
DOIs	https://doi.org/10.1016/0022-2852(91)90305-T
Publication status	Published - 1991 Oct

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry

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10.1016/0022-2852(91)90305-T

Cite this

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title = "The Na2 23Δg state: CW perturbation-facilitated optical-optical double resonance spectroscopy",

abstract = "The Na2 (σg3s)(4dδg) 23Δg state has been studied by CW sub-Doppler perturbation-facilitated optical-optical double resonance (PFOODR) spectroscopy. Twenty-three vibrational levels have been observed with resolved fine-hyperfine structure. The fine-hyperfine coupling scheme of the 23Δg state is exactly the same as the Na2 (σg3s)(3dδg) 13Δg: case bβs coupling with Fermi contact constant b = 221.7 MHz. Absolute vibrational numbering of the 23Δg state has been determined from the PFOODR fluorescence to the b3Πu state. The Dunham coefficients were then derived and the corresponding RKR potential curve was determined.",

author = "Whang, {Thou Jen} and Lyyra, {A. Marjatta} and Stwalley, {William C.} and Li Li",

note = "Funding Information: This work was supported by the National Science Foundation. discussions.",

year = "1991",

month = oct,

doi = "10.1016/0022-2852(91)90305-T",

language = "English",

volume = "149",

pages = "505--511",

journal = "Journal of molecular spectroscopy",

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T1 - The Na2 23Δg state

T2 - CW perturbation-facilitated optical-optical double resonance spectroscopy

AU - Whang, Thou Jen

AU - Lyyra, A. Marjatta

AU - Stwalley, William C.

AU - Li, Li

N1 - Funding Information: This work was supported by the National Science Foundation. discussions.

PY - 1991/10

Y1 - 1991/10

N2 - The Na2 (σg3s)(4dδg) 23Δg state has been studied by CW sub-Doppler perturbation-facilitated optical-optical double resonance (PFOODR) spectroscopy. Twenty-three vibrational levels have been observed with resolved fine-hyperfine structure. The fine-hyperfine coupling scheme of the 23Δg state is exactly the same as the Na2 (σg3s)(3dδg) 13Δg: case bβs coupling with Fermi contact constant b = 221.7 MHz. Absolute vibrational numbering of the 23Δg state has been determined from the PFOODR fluorescence to the b3Πu state. The Dunham coefficients were then derived and the corresponding RKR potential curve was determined.

AB - The Na2 (σg3s)(4dδg) 23Δg state has been studied by CW sub-Doppler perturbation-facilitated optical-optical double resonance (PFOODR) spectroscopy. Twenty-three vibrational levels have been observed with resolved fine-hyperfine structure. The fine-hyperfine coupling scheme of the 23Δg state is exactly the same as the Na2 (σg3s)(3dδg) 13Δg: case bβs coupling with Fermi contact constant b = 221.7 MHz. Absolute vibrational numbering of the 23Δg state has been determined from the PFOODR fluorescence to the b3Πu state. The Dunham coefficients were then derived and the corresponding RKR potential curve was determined.

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The Na₂ 2³Δ_g state: CW perturbation-facilitated optical-optical double resonance spectroscopy

Abstract

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