Fig. 1. Schematic diagram of the designed metamaterial. Illustration：top view of the cell structure

Fig. 2. Transmission spectrum and multipole scattering power diagram of metamaterial

Fig. 3. Spatial distribution of electromagnetic field at resonant frequency of metamaterial

Fig. 4. Effect of metamaterial structure parameters on ring dipole resonance and Q value

Fig. 5. The influence of different center distances d on the transmission spectrum and Q factor of the proposed metamaterial

Fig. 6. Transmission spectrum and multipole scattering power of class EIT metamaterials

Fig. 7. Properties of EIT-like metamaterials under different environmental refractive indices