Self-broadened widths and frequency shifts of water vapor lines between 590 and 2400 cm-1.

Details Self-broadened widths and frequency shifts of water vapor lines between 590 and 2400 cm-1. Self-broadened widths and frequency shifts of water vapor lines between 590 and 2400 cm-1.

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jqsrt..59..529t&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 59, issue 6, pp. 529-562

Computer Science

37

Water Vapor: Infrared Spectra, Water Vapor: Line Broadening, Water Vapor: Infrared Lines, Water Vapor: Laboratory Spectra

Scientific paper

This experimental study reports self-broadened linewidths and pressure-induced frequency-shifts of water vapor in the spectral region between 590 and 2400 cm-1. Over 1900 vibration-rotation transitions have been measured at 0.0054 cm-1 resolution using the Fourier transform spectrometer at Kitt Peak National Observatory. Self-broadening parameters have been obtained for the (000)-(000), (010)-(010), (010)-(000), (020)-(010), and (100)-(010) vibrational bands of H216O, H218O, and H217O. The observed widths range from 0.52 to 0.1 cm-1atm-1, and the pressure shifts fall between ±0.05 cm-1atm-1. The present linewidth coefficients are compared with previously measured and computed values given in the available literature. There have been no prior studies of self-broadened frequency-shifts of water vapor lines of this spectral region.

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