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Fig. 6 | Nanoscale Research Letters

Fig. 6

From: High-quality-factor dual-band Fano resonances induced by dual bound states in the continuum using a planar nanohole slab

Fig. 6

Influences of the symmetry of the structure on transmission responses of the PNS. Other parameters are the same as Fig. 1c with Δ =  − 28 nm. The insert figures indicate the schematic diagram of the superlattice of the PNS. a Transmission 2D map of the PNS as a function of the radius r′ of two nanoholes, where the structural symmetry of the superlattice along the x axis is maintained. b Transmission 2D map of the PNS as a function of the radius r′ of two nanoholes, where the structural symmetry of the superlattice along the x axis is broken

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