Fig. 5: Experimental confirmation of high Q-factor GMRs induced by supercell diagonal area conservation perturbation. | Light: Science & Applications

Fig. 5: Experimental confirmation of high Q-factor GMRs induced by supercell diagonal area conservation perturbation.

From: Robust ultrahigh-Q resonances in tetramer metasurfaces through centroid symmetry protection and area conservation

Fig. 5: Experimental confirmation of high Q-factor GMRs induced by supercell diagonal area conservation perturbation.

a SEM image of a typical sample. b SEM image and parameter notation for the super unit cell. c Normalized reflection intensity spectra of the sample as R2 is varied, showing the separation of two degenerate modes labeled MB1 and MB2. d–g Comparative analysis of experimental and simulated Q-factors and wavelengths for the two modes

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