Table 1 Comparison of sensing performance of the proposed graphene quasi-BIC metasurface.

From: Polarization-independent dual-band quasi-bound states in the continuum based on graphene metasurface for tunable THz sensing application

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