Spectroscopic Study of the Na2 23Σ+g State by cw Perturbation-Facilitated Optical-Optical Double-Resonance Spectroscopy

T. J. Whang; C. C. Tsai; W. C. Stwalley; A. M. Lyyra; Li Li

doi:10.1006/jmsp.1993.1188

Spectroscopic Study of the Na₂ 2³Σ⁺_g State by cw Perturbation-Facilitated Optical-Optical Double-Resonance Spectroscopy

T. J. Whang, C. C. Tsai, W. C. Stwalley, A. M. Lyyra, Li Li

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The Na₂(3sσ_g)(4sσ_g) 2³Σ⁺_g state of Na₂ has been observed and studied by cw perturbation-facilitated optical-optical double-resonance (PFOODR) spectroscopy for the first time. A single-mode dye laser and a Ti-sapphire laser served as the pump and the probe lasers, respectively. A total of 543 PFOODR excitation signals have been assigned to the 2³Σ⁺_g ← b³Π_1u transitions. Absolute vibrational numbering was determined by counting nodes in the 2³Σ⁺_g → a³Σ⁺_u bound-free spectra. Spectroscopic constants and the corresponding RKR potential energy curve are presented in this vsork. The values of T_e, R_e, and D_e, are found to be 25 551.237(49) cm^-1, 3.53463(35) Å, and 6211.5(1) cm^-1 respectively.

Original language	English
Pages (from-to)	411-421
Number of pages	11
Journal	Journal of molecular spectroscopy
Volume	160
Issue number	2
DOIs	https://doi.org/10.1006/jmsp.1993.1188
Publication status	Published - 1993 Aug

All Science Journal Classification (ASJC) codes

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

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@article{190ffeeb73d94ee79c9dd7e1694b097b,

title = "Spectroscopic Study of the Na2 23Σ+g State by cw Perturbation-Facilitated Optical-Optical Double-Resonance Spectroscopy",

abstract = "The Na2(3sσg)(4sσg) 23Σ+g state of Na2 has been observed and studied by cw perturbation-facilitated optical-optical double-resonance (PFOODR) spectroscopy for the first time. A single-mode dye laser and a Ti-sapphire laser served as the pump and the probe lasers, respectively. A total of 543 PFOODR excitation signals have been assigned to the 23Σ+g ← b3Π1u transitions. Absolute vibrational numbering was determined by counting nodes in the 23Σ+g → a3Σ+u bound-free spectra. Spectroscopic constants and the corresponding RKR potential energy curve are presented in this vsork. The values of Te, Re, and De, are found to be 25 551.237(49) cm-1, 3.53463(35) {\AA}, and 6211.5(1) cm-1 respectively.",

author = "Whang, {T. J.} and Tsai, {C. C.} and Stwalley, {W. C.} and Lyyra, {A. M.} and Li Li",

year = "1993",

month = aug,

doi = "10.1006/jmsp.1993.1188",

language = "English",

volume = "160",

pages = "411--421",

journal = "Journal of Molecular Spectroscopy",

issn = "0022-2852",

publisher = "Academic Press Inc.",

number = "2",

}

TY - JOUR

T1 - Spectroscopic Study of the Na2 23Σ+g State by cw Perturbation-Facilitated Optical-Optical Double-Resonance Spectroscopy

AU - Whang, T. J.

AU - Tsai, C. C.

AU - Stwalley, W. C.

AU - Lyyra, A. M.

AU - Li, Li

PY - 1993/8

Y1 - 1993/8

N2 - The Na2(3sσg)(4sσg) 23Σ+g state of Na2 has been observed and studied by cw perturbation-facilitated optical-optical double-resonance (PFOODR) spectroscopy for the first time. A single-mode dye laser and a Ti-sapphire laser served as the pump and the probe lasers, respectively. A total of 543 PFOODR excitation signals have been assigned to the 23Σ+g ← b3Π1u transitions. Absolute vibrational numbering was determined by counting nodes in the 23Σ+g → a3Σ+u bound-free spectra. Spectroscopic constants and the corresponding RKR potential energy curve are presented in this vsork. The values of Te, Re, and De, are found to be 25 551.237(49) cm-1, 3.53463(35) Å, and 6211.5(1) cm-1 respectively.

AB - The Na2(3sσg)(4sσg) 23Σ+g state of Na2 has been observed and studied by cw perturbation-facilitated optical-optical double-resonance (PFOODR) spectroscopy for the first time. A single-mode dye laser and a Ti-sapphire laser served as the pump and the probe lasers, respectively. A total of 543 PFOODR excitation signals have been assigned to the 23Σ+g ← b3Π1u transitions. Absolute vibrational numbering was determined by counting nodes in the 23Σ+g → a3Σ+u bound-free spectra. Spectroscopic constants and the corresponding RKR potential energy curve are presented in this vsork. The values of Te, Re, and De, are found to be 25 551.237(49) cm-1, 3.53463(35) Å, and 6211.5(1) cm-1 respectively.

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