Abstract
In this letter, a new metamaterial unit-cell is designed, fabricated, and measured. The unit-cell is based on a Greek-key pattern and operates at the frequency range from 1 to 5 GHz. The proposed structure offers a multiband metamaterial behavior and at the same time provides a miniaturization factor compared to conventional multiband metamaterial unit-cells. The Greek-key unit-cell is first simulated and its S-parameters are calculated and then its effective constitutive parameters are extracted using a well-known algorithm. To validate the simulation results, a $10 \times 10$ array of the unit-cell is fabricated and measured using the free-space measurement method.
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