Fast and Robust Characterization of Lossy Dielectric Slabs Using Rectangular Waveguides

@article{Wang2021FastAR,
  title={Fast and Robust Characterization of Lossy Dielectric Slabs Using Rectangular Waveguides},
  author={Xu-chen Wang and Sergei A. Tretyakov},
  journal={IEEE Transactions on Microwave Theory and Techniques},
  year={2021},
  volume={70},
  pages={2341-2350}
}
Waveguide characterization of dielectric materials is a convenient and broadband approach for measuring dielectric constant. In conventional microwave measurements, material samples are usually mechanically shaped to fit waveguide opening and measured in closed waveguides. This method is not practical for millimeter-wave and sub-millimeter-wave measurements where waveguide openings become tiny, and it is rather difficult to shape the sample to exactly the same dimensions as the waveguide cross… 

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