Measurements of the O2-broadening and shifting parameters of the H217O- spectral lines in the (111)-(000) band

L. N. Sinitsa; V. I. Serdyukov; Iu. L. Baranovskaya

doi:10.1117/12.2603485

15 December 2021 Measurements of the O₂-broadening and shifting parameters of the H₂¹⁷O- spectral lines in the (111)-(000) band

L. N. Sinitsa, V. I. Serdyukov, Iu. L. Baranovskaya

Author Affiliations +

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119160A (2021) https://doi.org/10.1117/12.2603485
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The water vapor line broadening and shifting coefficients for the H₂¹⁷O lines in the 8,550-9,164 cm^-1 spectral region induced by oxygen pressure are measured with a spectral resolution of 0.01 cm^-1 at room temperature by a Fourier transform spectrometer. Measurements were carried out using Bruker IFS-125M Fourier spectrometer with a 60 cm multipath cell, with a path length of 1920 cm. In order to prepare the H₂¹⁷O vapor, liquid water enriched to 86% with H₂¹⁷O produced by Sigma-Aldrich Company was used. H₂¹⁶O and insignificant amount of H₂¹⁸O make up the remaining 14% of the sample. The volume of the cell is 2.765 L. The absorption spectra of the H₂¹⁷O isotopologue were recorded at pressure of 23 mBar and oxygen pressures of 0, 171, 422 and 655 mBar.

Citation Download Citation

L. N. Sinitsa, V. I. Serdyukov, and Iu. L. Baranovskaya "Measurements of the O₂-broadening and shifting parameters of the H₂¹⁷O- spectral lines in the (111)-(000) band", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119160A (15 December 2021); https://doi.org/10.1117/12.2603485

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