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Permittivity measurement of low and high loss liquids in the frequency range of 8 to 40 GHz using waveguide transmission line technique
Author(s) -
Afsar Mohammed N.,
Suwanvisan Nattakarn,
Wang Yong
Publication year - 2006
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.21326
Subject(s) - permittivity , microwave , transmission line , materials science , range (aeronautics) , computational physics , line (geometry) , debye , relative permittivity , waveguide , optics , electric power transmission , acoustics , electronic engineering , optoelectronics , physics , electrical engineering , engineering , telecommunications , dielectric , mathematics , condensed matter physics , composite material , geometry
This paper presents the complex permittivity of a number of liquids measured using waveguide transmission‐line techniques. These liquids are measured over four frequency ranges: 8–12.4 GHz, 12.4–18 GHz, 18–26.5 GHz, and 26.5–40 GHz (or at the X, Ku, K, and Ka bands). The measured results of liquids are discussed and compared with results in the literature and the calculated data using Debye's method. Finally, statistical values such as the means and standard deviations, and the percentages of permittivity errors are computed for the consideration of data spread and error estimation. All of the possible sources of errors are also discussed with regard to improvements and developments of measurements in the near future. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 275–281, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21326

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