30 November 2017 Quasi-optical method for moisture measurements of gases
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Proceedings Volume 2104, 18th International Conference on Infrared and Millimeter Waves; 21047Z (2017) https://doi.org/10.1117/12.2298719
Event: 18th International Conference on Infrared and Millimeter Waves, 1993, Colchester, United Kingdom
Abstract
In this paper we suggest to use quasi-optical resonator withdielectric inclusion for moisture measurements of gases. This methodemployes the electromagnetic frequency in the range of 35 to 150 GHz.The main idea of the approach is a registration of moment of dew pointor phase transitions on cooling dielectric element of the resonatorusing the changes of resonator characteristics. The results of moisturemeasurements of air at atmospheric pressure using a barrel-shapedresonator with a dielectric bar are given. It is shown that suchelectrodynamical structures allow to registrate the dew point and phasetransitions as "water-ice" and "ice-water" at cooling dielectric bar byPeltier element. The experiments were carried out at frequenciesfc=136 GHz.
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A. A. Vertiy, "Quasi-optical method for moisture measurements of gases", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21047Z (30 November 2017); doi: 10.1117/12.2298719; https://doi.org/10.1117/12.2298719
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