Fig. 4 | Scientific Reports

Fig. 4

From: Broadband surface enhanced infrared absorption with multiple Fano resonance by metallic oblique-wire-bundle metamaterial absorbers

Fig. 4

Simulated absorption spectra of the (a) OWB and (b) planar metamaterial absorbers under the x- and y-polarizations with 100-nm-thick PMMA. The OWB metamaterial absorber could couple to all the four molecular vibration modes while the planar metamaterial absorber only showed the superposition of absorption magnitude even for the O = C = O stretching vibrational mode of CO2.

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