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. 2015 Nov 5;5:16069. doi: 10.1038/srep16069

Figure 2. The analysis of hybrid modes and Fano resonance.

Figure 2

Extinction spectra of the heterodimer (l = 240 nm, d = 60 nm) with g = 20 nm under oblique incidence θ = π/4 with linearly polarized light. (a) Extinction spectra of individual nanorices (blue, Au nanorice; red, Ag nanorice) and the surface charge density distributions for dipole and quadrupole modes of Ag nanorice. (b) Extinction spectrum of Au-Ag nanorice heterodimer. (c) Surface charge density distributions for hybridized plasmon modes (marked by numeral in (b)) (top: Au, bottom: Ag). (d) Energy-level diagram describing the plasmon hybridization of the Au-Ag heterodimer.