Fano Resonance of the Symmetry-Reduced Metal Bar Grating Structure

Figure 3

The transmission spectra of a lattice contain 3 bars of a periodic bar array with size of the left bar of the lattice  nm, 100 nm, 125 nm, and 150 nm, respectively, size of the other two bars of the array is  nm, distance between bars is 700 nm, and other parameters are , , respectively.