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

Table 1

Transmission peak of resonant ring with different metal layer thickness.

Structure	Thickness of metal layer (μm)	Transmission peak frequency (THz)	Transmissivity (%)
Single “C” resonant ring	0.2	0.610	99.33
	1	0.614	99.21
	4	0.615	99.16
	8	0.617	98.92
Double “C” resonant ring	0.2	0.573	98.78
	1	0.574	98.61
	4	0.583	98.58
	8	0.592	98.67
Square resonant ring	0.2	0.623	99.43
	1	0.625	99.45
	4	0.628	99.39
	8	0.632	99.32