Light-emitting-diode Fourier-Transform spectroscopy of H217O between 17 000 and 20 000 cm-1

L. N. Sinitsa; V. I. Serdyukov; E. R. Polovtseva; A. P. Scherbakov; A. D. Bykov

doi:10.1117/12.2575484

12 November 2020 Light-emitting-diode Fourier-Transform spectroscopy of H₂¹⁷O between 17 000 and 20 000 cm^-1

L. N. Sinitsa, V. I. Serdyukov, E. R. Polovtseva, A. P. Scherbakov, A. D. Bykov

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1156007 (2020) https://doi.org/10.1117/12.2575484
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

The absorption spectrum of the ¹⁷O-enriched water vapor has been investigated in the visible spectral region between 17 000 cm^-1 and 20 000 cm^-1 using the method of light-emitting-diode Fourier-Transform spectroscopy. The spectrum has been recorded using IFS-125M spectrometer with a spectral resolution of 0.1 cm^-1 at a pressure of 24 mbar. For measurements White multi-pass cell of 60 cm base length were used. The bright light emitting diode (LED) CREE XPE GRN was applied as a source of radiation. The spectral line parameters - line positions and intensities were obtained by least square fitting. As a result of the spectrum analysis the line list containing more than 150 experimental lines was created for the first time. The experimental line parameters have been compared with the calculated data.

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L. N. Sinitsa, V. I. Serdyukov, E. R. Polovtseva, A. P. Scherbakov, and A. D. Bykov "Light-emitting-diode Fourier-Transform spectroscopy of H₂¹⁷O between 17 000 and 20 000 cm^-1", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1156007 (12 November 2020); https://doi.org/10.1117/12.2575484

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