Fig. 5 | Scientific Reports

Fig. 5

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

Fig. 5

(a) Transmission spectra with versus different refractive indices for mode quasi-BIC-I. (b) The relationship between frequency offset and refractive index for mode quasi-BIC-I. (c) Transmission spectra with versus different refractive indices for mode quasi-BIC-II. (d) The relationship between frequency offset and refractive index for mode quasi-BIC-II.

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