Polarization-Independent and Angle-Insensitive Metamaterial Absorber Using 90-Degree-Rotated Split-Ring Resonators

Figure 1

Schematic of MA: (a) unit cell with dimensions of , , , , and . (b) Photograph of the fabricated MA with 40 × 40 unit cells (dimension of 200 × 200). All units are in millimeters.

(a)

(b)