Figure 6

Transient absorptance of parallel- and series-type metasurfaces using either another capacitor-based circuit or inductor-based circuit.
The parallel-type metasurface contained (a) an additional capacitor-based circuit or (b) inductor-based circuit in series, while the series-type metasurface contained (c) an additional capacitor-based circuit or (d) inductor-based circuit in parallel.