Figure 7
From: Fluidically Switchable Metasurface for Wide Spectrum Absorption
Experimental verification of the proposed metasurface. (a) Photograph of the PDMS layer without EGaIn injection. (b) Photograph of the PDMS layer with EGaIn injection. Insets show the zoomed views of the sample with of the flow of EGaIn. Liquid flow (shown in blue line) is bidirectional; only one way is shown for clarity. (c) Photograph of the complete fabricated prototype. (d) Measurement set-up. (e) Comparison of the measured and simulated absorptivities of the proposed metasurface under normal incidence. (f) Measured absorption responses of the fabricated sample for different polarization angles, under different switching conditions.
