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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Broadening Bandwidths of Few-Layer Absorbers by Superimposing Two High-Loss Resonators

Fig. 4

a Photograph of the metasurface on a glass substrate. b Experimental absorption/transmission/reflection spectra of a metasurface structure. c Photograph of a flexible metasurface on a PE substrate. d Experimental absorption/transmission/reflection spectra of a flexible metasurface. e Experimental angle-dependent absorption spectra of a metasurface absorber under an unpolarized light. f Experimental averaged absorption at wavelengths ranging from 350 to 1000 nm at various incident angles from 0° to 70°of a unpolarized light

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