Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array

Figure 5

The electric field components and distributions at four different resonance dips shown with the up arrows in Figure 4, and the resonance dips are located at (a-b) 0.539 μm, (c-d) 0.554 μm, (d–f) 0.569 μm, and (g-h) 0.583 μm, respectively.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)