Vol. 6, issue 08, article # 5

pdf Lazarev V. V., Ponomarev Yu. N. Measurements of the temperature behavior of the H2O-vapor spectral line shifts and broadening with a photoacoustic spectrometer. // Atmospheric and oceanic optics. 1993. V. 6. No. 08. P. 530-532.
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A modified dual-channel photoacoustic spectrometer with a pulsed ruby laser intended for studies of the spectral line contour temperature and pressure behavior is described. Some test measurements as well as measurements of the temperature behavior of the width and shift of the H2O-vapor absorption line at 694.38 nm are conducted, this line being used as a reference one in lidar sensing of water vapor in the atmosphere.