Figure 4

Experimental transmittance spectra of the tunable 6-layer meta-skins with different stretch ratios of 0%, 15.9%, 29.7%, 36.4% and 50% for two different spacing between neighboring layers: d1 = 13 mm (a) and d2 = 17 mm (b).
Experimental transmittance spectra of the tunable 6-layer meta-skins with different stretch ratios of 0%, 15.9%, 29.7%, 36.4% and 50% for two different spacing between neighboring layers: d1 = 13 mm (a) and d2 = 17 mm (b).