Title :
Electromagnetic attenuation due to water vapor measured at 400 GHz
Author :
Weber, Marcus J. ; Yang, Benjamin B. ; Kirley, Matt ; Kulie, Mark S. ; Bennartz, Ralf ; Booske, John H.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Wisconsin-Madison, Madison, WI, USA
Abstract :
We present experimentally measured electromagnetic attenuation losses due to water vapor at 400 GHz. The measurements are made using a hermetically sealed high-Q quasi-optical resonator system, which allows for control of water vapor levels. We compare our measurements to attenuation predictions from two versions of the Millimeter-wave Propagation Model. We find that one model has predictions in close agreement with the data while the other model differs significantly.
Keywords :
electromagnetic wave absorption; hermetic seals; losses; millimetre wave propagation; optical resonators; attenuation predictions; electromagnetic attenuation losses; frequency 400 GHz; hermetically sealed high-Q quasi-optical resonator system; millimeter-wave propagation model; water vapor level control; Atmospheric measurements; Atmospheric modeling; Attenuation; Attenuation measurement; Loss measurement; Resonant frequency; Sea measurements; atmospheric attenuation; quality factor; resonator; terahertz; water vapor;
Conference_Titel :
Vacuum Electronics Conference (IVEC), 2012 IEEE Thirteenth International
Conference_Location :
Monterey, CA
Print_ISBN :
978-1-4673-0188-6
Electronic_ISBN :
978-1-4673-0187-9
DOI :
10.1109/IVEC.2012.6262148
