Permittivity Extraction of Anisotropic Media Using TE and TM modes in Rectangular Waveguides

Based on our previous work, a brief description of the theory of using TE and TM modes to determine the permittivity of nonmagnetic uniaxial anisotropic media without changing the position of the sample is presented. The extraction procedure is based on the use of two pairs of reflection coefficients and propagation coefficients in a manner similar to the classical Nicolson-Ross-Weir method for isotropic media. The obtained simulation results for an artificial uniaxial anisotropic dielectric material constitute a promising basis for experimental research.