An Efficient Semianalytical Modal Analysis of Rectangular Waveguides Containing Metamaterials with Graded Inhomogeneity

<div>Gradual spatially varying effective permittivity <i>ϵ</i>(<i>ω</i>, <i>x</i>) and permeability <i>μ</i>(<i>ω</i>, <i>x</i>) of CRLHM with exponential, linear, parabolic, and constant profile functions.</div>

International Journal of Antennas and Propagation

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Figure 2: An Efficient Semianalytical Modal Analysis of Rectangular Waveguides Containing Metamaterials with Graded Inhomogeneity 