Fig. 8From: High-quality-factor dual-band Fano resonances induced by dual bound states in the continuum using a planar nanohole slaba Transmission 2D map of the PNS as a function of the slab height H with Δ = 0 nm, the white dash lines are the results of the F–P cavity model. b Transmission 2D map of the PNS as a function of the slab height H with Δ = − 28 nm. Other parameters are the same as Fig. 1cBack to article page