Figure 7: Measured S-parameters and SEM images of the fabricated 3D NIM. | Scientific Reports

Figure 7: Measured S-parameters and SEM images of the fabricated 3D NIM.

From: Demonstration of a Three-dimensional Negative Index Medium Operated at Multiple-angle Incidences by Monolithic Metallic Hemispherical Shells

Figure 7

(a) Transmittance spectra between μ-FTIR measurement and numerical simulation under normal incidence, (b) scanning electron microscope images of the fabricated gold hemispherical shell indicating the distribution of diameter in shell is approximately 34.17 ± 0.52 μm and μ-FTIR measurement results of the gold hemispherical shell for (c) TE case and (d) TM case at 0°, 15° and 30° incidence.

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