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Atmospheric and Oceanic Optics

2018 year, number 10

LED-based Fourier-transform spectroscopy: absorption spectrum of HD16O in the region of 0.6 μm

L.N. Sinitsa, V.I. Serduykov, E.R. Polovtseva, A.D. Bykov
V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
Keywords: Фурье-спектроскопия, спектры поглощения молекулы НDО, центры и интенсивности спектральных линий, Fourier-Transform spectroscopy, absorption spectrum of HDO molecule, spectral line centers and intensities


A high resolution vibrational-rotational absorption spectrum of НD16О molecule has been studied in the visible region from 16600 to 17400 cm1 by LED-based Fourier-transform spectroscopy. The spectrum was recorded with the Fourier spectrometer IFS-125M with a resolution of 0.09 cm1. A high-brightness light-emitting diode ЗНР was used as a source of radiation. For the measurements we used a White-type multi-pass cell with an optical path length of 2880 cm. The spectral line parameters (line centers and intensities) were determined. The line list contains more than 300 transitions to vibrational states (005) and (104). The obtained results are compared with the calculated and experimental data of other authors.