Pattern-Reconfigurable Metasurface-Antenna Array for Functional Brain Imaging Applications

In this paper, a compact bow-tie dipole antenna with the pattern reconfigurability characteristics is presented for cerebrovascular monitoring. In order to create a pattern reconfigurable characteristic a balun-matched bow-tie antenna is equipped with a pentagonal shaped metasurface structure with five triangular meta-atoms. The proposed structure with a multi-layer phantom of the human head insid...