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Optics and Spectroscopy, 2021, Volume 129, Issue 5, Pages 550–554
DOI: https://doi.org/10.21883/OS.2021.05.50880.272-20 (Mi os130) 		 
Spectroscopy and physics of atoms and molecules

Enhancement of Raman signal intensity due to internal field factor

D. V. Petrovab, I. I. Matrosovb

a Tomsk State University
b Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch of the Russian Academy of Science, Tomsk
Full-text PDF (112 kB)
DOI: https://doi.org/10.21883/OS.2021.05.50880.272-20
Abstract: The paper is devoted to the effect of enhancement of the Raman intensity of gaseous components of media due to the internal field factor created by the molecular environment. The intensity of the vibrational Raman band of nitrogen in mixtures with argon and methane was studied at pressures up to 50 atm. We observed an increase in Raman signal intensity of fixed nitrogen concentration up to 4% in the indicated mixtures. A model for evaluating this effect is presented and verified. The data obtained will be useful for improving the accuracy of Raman gas analysis.
Keywords: Raman spectroscopy, intensity enhancement, internal field, methane, nitrogen.
Funding agency Grant number
Russian Foundation for Basic Research 19-42-700006
This work was supported by the Russian Foundation for Basic Research, project no. 19-42-700006.
Received: 03.11.2020
Revised: 03.11.2020
Accepted: 05.02.2021
English version:
Optics and Spectroscopy, 2021, Volume 129, Issue 6, Pages 674–678
DOI: https://doi.org/10.1134/S0030400X2105012X
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. V. Petrov, I. I. Matrosov, “Enhancement of Raman signal intensity due to internal field factor”, Optics and Spectroscopy, 129:5 (2021), 550–554; Optics and Spectroscopy, 129:6 (2021), 674–678
Citation in format AMSBIB
\Bibitem{PetMat21}
\by D.~V.~Petrov, I.~I.~Matrosov
\paper Enhancement of Raman signal intensity due to internal field factor
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 5
\pages 550--554
\mathnet{http://mi.mathnet.ru/os130}
\crossref{https://doi.org/10.21883/OS.2021.05.50880.272-20}
\elib{https://elibrary.ru/item.asp?id=46495614}
\transl
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 6
\pages 674--678
\crossref{https://doi.org/10.1134/S0030400X2105012X}
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