Table 1 Comparison of sensing performance of the proposed graphene quasi-BIC metasurface.
Ref | Sensitivity (THz/RIU) | FOM (RIU-1) | Q-factor | Tunability (Y: yes, N: no) | Polarization sensitivity (De: dependent, Inde: independent) |
|---|---|---|---|---|---|
39(2019) | 13.25 | 36.51 | 16.79 | Y | De |
40(2021) | 2.26 | 189.9 | 706 | N | De |
41(2015) | 1.908 | 6.57 | 19.83 | Y | Inde |
42(2015) | 1.48 | 20.5 | 48.2 | N | Inde |
15(2022) | 0.187 | 28.58 | 235 | N | De |
43(2022) | 0.266 | 40.65 | 162 | N | De |
This work | 6.75 | 45.87 | 69 | Y | Inde |
6.02 | 46.72 | 70 | Y | Inde |