HYDROGEN-BROADENED LINEWIDTHS OF WATER FROM 1850 TO $3950 cm^{-1}$

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1995

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Ohio State University

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To support remote sensing of the outer planets, absorption spectra of $H_{2}O$ broadened by $H_{2}$ are being recorded at $0.012 cm^{-1}$ resolution using the McMath Fourier transform spectrometer located at Kitt Peak National Observatory / National Solar Observatory. Pressure-broadened linewidths at room temperature are being obtained with precisions of 2 to 5% for the strongest fundamental transitions between 1850 and $3950 cm^{-1}$. These measurements will be presented, and rotational and vibrational dependencies will be discussed.

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part of the research reported in this paper was performed at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.
Author Institution: California Institute Technology, 4800 Oak Grove Dr. Pasadena, CA 91109. USA.

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http://hdl.handle.net/1811/29719

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999