Fig. 1. Structure diagram of absorber

Fig. 2. The permittivity of ITO in the investigated frequency band

Fig. 3. Design process of model

Fig. 4. Simulation results of absorptivity， S parameter， normalized impedance and power loss of the proposed absorber

Fig. 5. Influence of physical parameters of absorber on absorption performance

Fig. 6. Absorptivity of 10×10 array absorber at different bending angles

Fig. 7. Absorptivity at different polarization angles

Fig. 8. Absorptivity at different incident angles

Fig. 9. Absorptivity with ±5% variation of absorber geometric parameters

Fig. 10. Surface current distribution at the resonant points and central frequency point

Fig. 11. Distribution of power loss density， electromagnetic field energy density at the resonant points and central frequency point