Dynamically reconfigurable VO2-based metamaterial absorber with an ultra-broad 11-THz absorption bandwidth
A dynamically reconfigurable, polarization-insensitive terahertz (THz) metamaterial absorber based on phase-change vanadium dioxide (VO2) is proposed and numerically investigated by full-wave simulations (CST Studio Suite). The absorber adopts a simple three-layer configuration: a patterned VO2 resonant layer, a Topas...