The Infrared Absorption Bands of Water Vapor
- 1 January 1932
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 39 (1) , 77-82
- https://doi.org/10.1103/PhysRev.39.77
Abstract
Further experimental work has been done on the near infrared absorption of water vapor in the regions of 1.40μ and 1.90μ. Forty-five lines have been listed for the region of 1.40μ. There is some difficulty in interpreting this band as to zero branch or double type. By using somewhat higher resolution the 1.87μ band has been shown to consist of more lines than previously observed. The region of 1.87μ has the appearance of a double type band when a small amount of water vapor was used. Calculations have been made as to the form of the water vapor molecule on the assumption that this is the third fundamental band of water vapor. Also, the intensities of the bands have been calculated and these are found to be in good agreement with the experiment values. A new classification has been made of the combination bands.Keywords
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