International Journal of Antennas and Propagation / 2014 / Article / Fig 25

Research Article

Radiation-Enhancement Properties of an X-Band Woodpile EBG and Its Application to a Planar Antenna

Figure 25

Return loss of the patch antenna with a cover constituted by two woodpile layers, resonating at 13.24 GHz, compared with the return loss of the patch alone; the distance between patch and woodpile is  mm.