Simulation and Experimental Study of Terahertz Wave Transmission Characteristics Based on Periodic Metal Open Resonant Ring Structures

Table 2

Transmission of resonant ring with different substrate thickness.

Structure	Thickness of substrate (μm)	Transmission peak frequency (THz)	Transmissivity (%)
Single “C” resonant ring	5	0.672	99.45
	10	0.610	99.33
	12.5	0.592	99.29
	15	0.573	99.25
	20	0.555	99.06
	25	0.540	98.94
Double “C” resonant ring	5	0.643	98.99
	10	0.573	98.92
	12.5	0.567	98.88
	15	0.544	98.40
	20	0.529	97.82
	25	0.515	97.34
Square resonant ring	5	0.694	99.51
	10	0.668	99.37
	12.5	0.643	99.43
	15	0.636	99.55
	20	0.614	99.22
	25	0.594	98.82