Leaky Wave Array in Full Planar Substrate with EBG-Based Wave Guiding Channel

Figure 5

(a) Mushroom-type square EBG unit of size d = 2.8 mm, consisting of a square patch with size a = 2.0 mm, connected in the center to the ground by a via with radius r = 0.3 mm. The points defining the path in the Brillouin zone are also indicated. (b) Boundary conditions in the simulations.

(a)

(b)