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Source: Molecules. 2022. Vol. 27, № 1. P. 144 (1-15)
Type: статьи в журналах
Date: 2022
Description:
In this work, the effect of nitrogen and carbon dioxide on the depolarization ratio of the ν1 band of methane in the pressure range of 0.1–5 MPa is studied. A high-sensitivity single-pass Raman spectr
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Source: Molecules. 2022. Vol. 27, № 1. P. 144 (1-15)
Type: статьи в журналах
Date: 2022
Description:
In this work, the effect of nitrogen and carbon dioxide on the depolarization ratio of the nu(1) band of methane in the pressure range of 0.1-5 MPa is studied. A high-sensitivity single-pass Raman spe
... More
Source: Atmospheric and oceanic optics. 2022. Vol. 35, № 4. P. 450-455
Type: статьи в журналах
Date: 2022
Description:
Gas analyzers on the basis of Raman spectroscopy designed at the Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch, Russian Academy of Sciences, are described. Their capabili
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Source: Optics and Laser Technology. 2022. Vol. 152. P. 108155
Type: статьи в журналах
Date: 2022
Description:
An improved gas analyzer based on Raman spectroscopy is presented. The device can measure the content of all molecular species of atmospheric air, whose concentration exceeds the sensitivity threshold
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Source: Sensors. 2022. Vol. 22, № 9. P. 3492 (1-13)
Type: статьи в журналах
Date: 2022
Description:
Raman spectroscopy is a promising method for analyzing natural gas due to its high measurement speed and the potential to monitor all molecular components simultaneously. This paper discusses the feat
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Source: Proceedings of SPIE. 2021. Vol. 11916 : 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation. P. 1191607-1-1191607-5
Type: статьи в журналах
Date: 2021
Description:
The work is aimed at measuring the depolarization ratio of the ν1 Raman band of methane in nitrogen and carbon dioxide media at a pressure of 50 atm. To improve the accuracy of estimating the ν1 inten
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Source: Atmospheric and oceanic optics. 2021. Vol. 34, № 5. P. 395-399
Type: статьи в журналах
Date: 2021
Description:
The peak positions and halfwidths of the Q-branch of the ν1 band and the ratios of intensities of the Q-branches of ν3 and 2ν2 bands of methane are measured in a methane–helium mixture at different pr
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Source: Measurement techniques. 2021. Vol. 64, № 3. P. 261-266
Type: статьи в журналах
Date: 2021
Description:
The article presents methods for analyzing the natural gas composition and describes the advantages of Raman spectroscopy compared with gas chromatography. The metrological characteristics of a Raman
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Source: Journal of Quantitative Spectroscopy and Radiative Transfer. 2021. Vol. 270. P. 107682 (1-14)
Type: статьи в журналах
Date: 2021
Description:
The pump-probe technique for investigating vibrationally excited states via high 13 resolution Raman spectroscopy was applied to CH4 methane isotopologue. The dipole transitions between A1 totally sym
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