Vol. 11, issue 09, article # 10

pdf Klimkin V. M., Kolbycheva P. D. Absorption of calcium-vapor laser radiation by water vapor. // Atmospheric and oceanic optics. 1998. V. 11. No. 09. P. 841-843.
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The absorption coefficient of water vapor was experimentally measured at the line of calcium-vapor laser radiation of 5.54 mm. The absorption coefficient is studied as a function of the atmospheric temperature and humidity. The laser radiation frequency was tuned by 0.09 cm–1, and the dependence of the absorption coefficient on laser radiation frequency was found. The calcium-vapor laser is proposed for atmospheric humidity measurements.