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A set of water transitions in the 782–840nm region, including 38H216O lines, 12 HD16O lines, and 30 D216O lines, were recorded with a cavity ring-down spectrometer calibrated using precise atomic lines. Absolute frequencies of the lines were determined with an accuracy of about 5MHz. Systematic shifts were found in the line positions given in the HITRAN database and the upper energy levels given...
H216O lines in the spectral range of 12,573–12,753cm −1 have been recorded by cavity ring-down spectroscopy. Low-pressure water vapor (0.25Torr) was used to limit the pressure-induced line shift. The absolute line positions were calibrated with Rb atomic transitions and a thermo-stabilized Fabry–Pérot interferometer. Positions of 73 lines with intensities larger than 1×10−25cm−1/(moleculecms−2)...
The absorption spectrum of water vapor enriched by deuterium and oxygen-18 is analyzed in the 6000–9200cm −1 region. The spectrum has been recorded at room temperature with a Bruker IFS 120h Fourier transform spectrometer. More than 14,000 absorption lines were measured in the recorded spectrum. The vibration–rotation assignments were performed on the basis of previously published experimental...
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