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Microwave thermal ablations therapies are based on the absorption of an electromagnetic field at microwave frequencies to induce a very high and localized temperature increase to remove unhealthy tissue. The development of clinical protocols for treatment planning is strictly linked to the availability of numerical models able to correctly predict the procedure outcomes. In this paper, some numerical...
In this contribution, we simulate and design a electronically tunable microstrip attenuator based on graphene. To this aim, graphene is modeled as an ideal surface resistor at microwave frequency (5 GHz), changing with an external electric Bias. The presented device includes a patch of graphene, whose characteristics can range from fairly good conductor to highly lossy material, depending on the applied...
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