This study theoretically analyzes the shielding effectiveness (SE) of planar materials when using a rectangular waveguide by simply substituting the wave impedance and propagation constant of the TE10 mode into the theoretical SE equation of a planar material under a normal incident plane wave. Using the derived equation, the SE for the TE10 mode incident using a rectangular waveguide and the SE for the plane wave of the TEM mode were compared for conductive, dielectric, and magnetic materials, with their differences addressed. In addition, the accuracy of the analytical results was validated using 3D numerical simulation results.
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Park et al. (2024) studied this question.
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