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

S. N. Mikhailenko, V. I. Serdyukov, L. N. Sinitsa

Research output: Contribution to journalArticle

4 Citations (Scopus)

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 languageEnglish
Pages (from-to)36-46
Number of pages11
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume156
DOIs
Publication statusPublished - 1 Mar 2015

Fingerprint

Light emitting diodes
Fourier transforms
light emitting diodes
Spectroscopy
vibrational states
Molecules
spectroscopy
molecules
Spectral resolution
Steam
registers
luminance
spectral resolution
lists
Electron energy levels
Light sources
water vapor
Spectrometers
Luminance
Signal to noise ratio

Keywords

  • Absorption of H O
  • Fourier transform spectroscopy
  • Water isotopoloque

ASJC Scopus subject areas

  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Radiation

Cite this

LED-based Fourier transform spectroscopy of H2 18O in the 15,000-16,000cm-1 range. / Mikhailenko, S. N.; Serdyukov, V. I.; Sinitsa, L. N.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 156, 01.03.2015, p. 36-46.

Research output: Contribution to journalArticle

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