Permittivity Measurement with a Non-standard Waveguide by Using Trl Calibration and Fractional Linear Data Fitting

  title={Permittivity Measurement with a Non-standard Waveguide by Using Trl Calibration and Fractional Linear Data Fitting},
  author={Rama Krishna Challa and Darko Kajfez and Joseph Rhea Gladden and Atef Z. Elsherbeni and Veysi Demir},
Modifications in the measurement of the complex permittivity are described, based on the transmission and reflection coefficients of a dielectric slab. The measurement uses TRL twoport calibration to bring the reference planes accurately to the sample surface. The complex permittivity as a function of frequency is computed by minimizing the difference between the measured and the ideal scattering parameters. An alternative procedure for determining the complex permittivity uses the fractional… CONTINUE READING
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