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(a) Unit cell of the present bilayered CMM for transmission calculation. (b) The top view of the fabricated microwave-scale sample. (c) Schematic picture of the experimental setup.
(a) Copolarized (dark gray) and cross-polarized (light gray) transmission of electric field through the present bilayered CMM by both simulation (solid lines) and experimental measurement (dotted lines). The inset shows the case when the bilayered structure has the same pattern on the upper and bottom surfaces. (b) Axial ratio and (c) polarization azimuth of the transmitted wave as the frequency varies. (d) Polarization states at six different frequencies.
The surface current distributions on the (a) upper and (b) bottom patterns of the present bilayered CMM at resonance. (c) and (d) show the case when the bilayered structure has the same pattern on the upper and bottom surfaces. The black arrows denote the surface current directions.
The measured cross-polarized transmission spectra of the present bilayered CMM as a function of the rotation angle .
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