S4_backward wave normal incidence at 12p5 GHz.mp4

Visualization 4 | The electrical field distribution of a plane wave encountering normally the square metacrystal slab at 12.5 GHz. The plane wave encounters the square metacrystal slab from the bottom. The metacrystal slab comsists of 21X21 unit cells. The unit cell of metacrystal is at the higher frequency bands of the MM-PhC transition region. Only the backward propagating wave could be observed.