Metasurface for Controlling Polarization of Scattered EM Waves

A unique metasurface is presented that can be used to control the polarization of electromagnetic waves. The dual band metasurface is realized by stacking an array of multiple concentric circular rings. By rotating each array with respect to each other, we can manipulate its impedance at distinct frequencies. The versatility of the proposed metasurface is numerically verified.

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