Study of the Water Vapor Absorption Spectrum in the Visible Spectral Region from 19480 to 20500 cm−1
- Authors: Sinitsa L.N.1, Serdyukov V.I.1, Polovtseva E.R.1, Bykov A.D.1, Shcherbakov A.P.1
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Affiliations:
- V.E. Zuev Institute of Atmospheric Optics, Siberian Branch
- Issue: Vol 31, No 4 (2018)
- Pages: 329-334
- Section: Spectroscopy of Ambient Medium
- URL: https://journals.rcsi.science/1024-8560/article/view/188434
- DOI: https://doi.org/10.1134/S1024856018040115
- ID: 188434
Cite item
Abstract
The vibrational-rotational absorption spectrum of water vapor was recorded and analyzed in the visible spectral region from 19480 to 20500 cm−1. The measurements were carried out using an IFS-125M Fourier spectrometer with a resolution of 0.05 cm−1 at a pressure of 26.3 mbar, a temperature of (24 ± 1)°C, and optical path 24 m. We used a multipass White cell with a base length of 60 cm. A light-emitting diode was used as a radiation source. The signal-to-noise ratio was about 20000. The list of more than 420 lines has been compiled as a result of the analysis the spectrum, which includes line centers, intensities, and quantum vibrational-rotational numbers. More than 220 vibrational-rotational energy levels of 21 upper vibrational states have been determined from the experimental data.
About the authors
L. N. Sinitsa
V.E. Zuev Institute of Atmospheric Optics, Siberian Branch
Author for correspondence.
Email: sln@iao.ru
Russian Federation, Tomsk, 634055
V. I. Serdyukov
V.E. Zuev Institute of Atmospheric Optics, Siberian Branch
Email: sln@iao.ru
Russian Federation, Tomsk, 634055
E. R. Polovtseva
V.E. Zuev Institute of Atmospheric Optics, Siberian Branch
Email: sln@iao.ru
Russian Federation, Tomsk, 634055
A. D. Bykov
V.E. Zuev Institute of Atmospheric Optics, Siberian Branch
Email: sln@iao.ru
Russian Federation, Tomsk, 634055
A. P. Shcherbakov
V.E. Zuev Institute of Atmospheric Optics, Siberian Branch
Email: sln@iao.ru
Russian Federation, Tomsk, 634055