LED-based Fourier transform spectroscopy of H2 18O in the 15,000-16,000cm-1 range

Abstract

The spectrum of n{cyrillic}₂ ¹⁸O{cyrillic} has been recorded between 15,000 and 16,000cm^-1 by a Fourier transform spectrometer with spectral resolutions of 0.03cm^-1 and 0.05cm^-1 using high luminance LED light sources and a 60-cm multipath cell with a path length of 1920 and 3480cm. A high signal-to-noise ratio (S/N=10,000) enabled us to register more than 1500 water vapor lines with intensities 1.0×10^-27 to 2.2×10^-24cm/molecule at 296K. 426 rotational-vibrational levels of the H₂ ¹⁸O molecule were assigned to eleven vibrational states: (014), (033), (052), (113), (132), (151), (212), (231), (311), (330) and (410). 72 Rotational-vibrational levels of the H₂ ¹⁷O molecule were assigned to six vibrational states: (014), (033), (113), (212), (311) and (410). An extended set of H₂ ¹⁸O transitions in the 15,000-16,000cm^-1 range was generated using the obtained energy level list and the results of a variational intensity calculation.

Original language	English
Pages (from-to)	36-46
Number of pages	11
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	156
DOIs	https://doi.org/10.1016/j.jqsrt.2015.02.001
Publication status	Published - 1 Mar 2015

Keywords

Absorption of H O
Fourier transform spectroscopy
Water isotopoloque

ASJC Scopus subject areas

Spectroscopy
Atomic and Molecular Physics, and Optics
Radiation

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10.1016/j.jqsrt.2015.02.001

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title = "LED-based Fourier transform spectroscopy of H2 18O in the 15,000-16,000cm-1 range",

abstract = "The spectrum of n{cyrillic}2 18O{cyrillic} has been recorded between 15,000 and 16,000cm-1 by a Fourier transform spectrometer with spectral resolutions of 0.03cm-1 and 0.05cm-1 using high luminance LED light sources and a 60-cm multipath cell with a path length of 1920 and 3480cm. A high signal-to-noise ratio (S/N=10,000) enabled us to register more than 1500 water vapor lines with intensities 1.0×10-27 to 2.2×10-24cm/molecule at 296K. 426 rotational-vibrational levels of the H2 18O molecule were assigned to eleven vibrational states: (014), (033), (052), (113), (132), (151), (212), (231), (311), (330) and (410). 72 Rotational-vibrational levels of the H2 17O molecule were assigned to six vibrational states: (014), (033), (113), (212), (311) and (410). An extended set of H2 18O transitions in the 15,000-16,000cm-1 range was generated using the obtained energy level list and the results of a variational intensity calculation.",

keywords = "Absorption of H O, Fourier transform spectroscopy, Water isotopoloque",

author = "Mikhailenko, {S. N.} and Serdyukov, {V. I.} and Sinitsa, {L. N.}",

year = "2015",

month = mar,

day = "1",

doi = "10.1016/j.jqsrt.2015.02.001",

language = "English",

volume = "156",

pages = "36--46",

journal = "Journal of Quantitative Spectroscopy and Radiative Transfer",

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T1 - LED-based Fourier transform spectroscopy of H2 18O in the 15,000-16,000cm-1 range

AU - Mikhailenko, S. N.

AU - Serdyukov, V. I.

AU - Sinitsa, L. N.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - The spectrum of n{cyrillic}2 18O{cyrillic} has been recorded between 15,000 and 16,000cm-1 by a Fourier transform spectrometer with spectral resolutions of 0.03cm-1 and 0.05cm-1 using high luminance LED light sources and a 60-cm multipath cell with a path length of 1920 and 3480cm. A high signal-to-noise ratio (S/N=10,000) enabled us to register more than 1500 water vapor lines with intensities 1.0×10-27 to 2.2×10-24cm/molecule at 296K. 426 rotational-vibrational levels of the H2 18O molecule were assigned to eleven vibrational states: (014), (033), (052), (113), (132), (151), (212), (231), (311), (330) and (410). 72 Rotational-vibrational levels of the H2 17O molecule were assigned to six vibrational states: (014), (033), (113), (212), (311) and (410). An extended set of H2 18O transitions in the 15,000-16,000cm-1 range was generated using the obtained energy level list and the results of a variational intensity calculation.

AB - The spectrum of n{cyrillic}2 18O{cyrillic} has been recorded between 15,000 and 16,000cm-1 by a Fourier transform spectrometer with spectral resolutions of 0.03cm-1 and 0.05cm-1 using high luminance LED light sources and a 60-cm multipath cell with a path length of 1920 and 3480cm. A high signal-to-noise ratio (S/N=10,000) enabled us to register more than 1500 water vapor lines with intensities 1.0×10-27 to 2.2×10-24cm/molecule at 296K. 426 rotational-vibrational levels of the H2 18O molecule were assigned to eleven vibrational states: (014), (033), (052), (113), (132), (151), (212), (231), (311), (330) and (410). 72 Rotational-vibrational levels of the H2 17O molecule were assigned to six vibrational states: (014), (033), (113), (212), (311) and (410). An extended set of H2 18O transitions in the 15,000-16,000cm-1 range was generated using the obtained energy level list and the results of a variational intensity calculation.

KW - Absorption of H O

KW - Fourier transform spectroscopy

KW - Water isotopoloque

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LED-based Fourier transform spectroscopy of H₂ ¹⁸O in the 15,000-16,000cm^-1 range

Abstract

Keywords

ASJC Scopus subject areas

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