Table 4 Comparing the performance of the graphene metamaterial filters.
Structure | Freq Range(THz) | Reconfigurable | Mode of Filter | FWHM(THz) | Ref. |
|---|---|---|---|---|---|
Gr T-shaped resonator planar | 8–14 | Yes | Band pass | 0.115 | |
Sandwich metal/dielectric/metal multilayer | 0.2-1 | No | Low pass- Band pass | 0.35 | |
GNR-nanholes | 1–5 | Yes | Band stop | Not reported | |
Gr Hourglass | 28–36 | Yes | Band stop | 1.2 | |
Gold cylinder multilayer | 0.5-3 | No | Band pass | 1 | |
Hybrid Gr nonmetallic | 150–300 | Yes | band pass | 35 | |
comb-shaped Gr nanoribbons | 37–50 | Yes | Band pass | 15.6 | |
Wilkinson divider | 10–20 | Yes | Band pass | 0.14 | |
E-shaped resonator | 1–7 | Yes | Band pass | 0.1 | |
Gr Cascade multilayers metamaterial | 1.5-5 | Yes | Band pass-band stop | 0.2 | This work |
