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

Figure 2

Transmission spectra for Au dimer array (red line), Ag (blue line) dimer array, and Ag-Au heterogeneous dimer array (black line). The width of air cut, a nanorod of metallic cross length, and the permittivity of medium in the rings in all the structures are set to be  nm,  nm, and .