A Quasi-Yagi Antenna Backed by a Jerusalem Cross Frequency Selective Surface

Table 1

Optimized dimensions of antenna elements.

Antenna Element (dimensions in mm.)	[1]	QY-JCFSS
Length of CPS (Sref)	18.33	20.5
Length of driver (Ldri)	34	35.5
Length of director (Ldir)	18	18
Separation of driver and director (Sdir)	16	11.16
Separation of director and end of substrate (Ssub)	10.83	16
Height of substrate layer (H)	7.5	5