Temperature dependences of pressure-broadened water vapor lines at 183 and 380 GHz

J. M. Dutta

doi:10.1117/12.2298011

4 December 2017 Temperature dependences of pressure-broadened water vapor lines at 183 and 380 GHz

J. M. Dutta

Proceedings Volume 1576, 16th International Conference on Infrared and Millimeter Waves; 15768A (2017) https://doi.org/10.1117/12.2298011
Event: 16th International Conference on Infrared and Millimeter Waves, 1991, Lausanne, Switzerland

Abstract

The pressure-broadening of the 3(1,3) - 2(2,0) and 4(1,3) -3(2,1) transitions of water at 183 and 380 GHz respectively, were studied over a wide temperature range. These included broadening by 0₂, N₂, He, and H₂ with the temperature dependence between 80K and 600K. Low temperature measurements were taken in a collisionally cooled cell with variable temperature injectors. Results for the temperature dependence of the pressure broadening parameters are compared with theoretical calculations and with experimental values of other researchers.

Citation Download Citation

J. M. Dutta "Temperature dependences of pressure-broadened water vapor lines at 183 and 380 GHz", Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15768A (4 December 2017); https://doi.org/10.1117/12.2298011

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