Comparison of Mutual Coupling Phenomena in Subwavelength Ridged Circular Apertures and Half-Wavelength Dipole Antenna Arrays

<table>Ridged circular apertures perforated in an infinitesimally thin metal screen; (case A: single aperture; case B: collinear; case C: side-by-side; case D: 2-by-2; case E: parallel-in-echelon).</table>

International Journal of Antennas and Propagation

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Figure 1

Figure 1: Comparison of Mutual Coupling Phenomena in Subwavelength Ridged Circular Apertures and Half-Wavelength Dipole Antenna Arrays 