We propose and discuss high-Q reconfigurable metamaterials based on graphene. The key components of the device are periodic concentric metallic ring resonators with interdigitated fingers, which are placed in-between the rings and provide for the large Q in the metamaterial, as well as several strategically located gaps where active graphene sheets are placed. We can easily adjust the frequency response of the metamaterial by means of varying a couple of parameters, such as the ring dimensions, number of fingers, etc., but also dynamically by means of varying conductivity in graphene.
Sara Arezoomandan and Berardi Sensale Rodriguez, "High-Q terahertz reconfigurable metamaterials using graphene," Proc. SPIE 9918, Metamaterials, Metadevices, and Metasystems 2016, 991823 (Presented at SPIE Nanoscience + Engineering: September 01, 2016; Published: 16 September 2016); https://doi.org/10.1117/12.2238019.
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