Glass Superstrate Nanoantennas for Infrared Energy Harvesting Applications

Table 1

Performance comparison of antennas.

	Crossed dipole	Bowtie	Spiral	MCD
𝑓𝑐 (THz)	29.86	31.53	31.3	28.82
FBW	0.094	0.309	0.248	0.111
𝐺 (linear)	3.09	3.43	4.29	1.39
HPBW (deg)	22.6	21.9	69	56
FOM	0.036	0.131	0.408	0.046