Figure 3

3D CAD model of the overall radiating system: the proposed 5 × 5 passive metasurface is placed above the actively fed RF coil (a); metasurface 8-turn unit cell detail (b).

3D CAD model of the overall radiating system: the proposed 5 × 5 passive metasurface is placed above the actively fed RF coil (a); metasurface 8-turn unit cell detail (b).