Fig. 6From: Gold Nanohole Array with Sub-1 nm Roughness by Annealing for Sensitivity Enhancement of Extraordinary Optical Transmission BiosensorComparison of simulated optical transmission spectrum of NHAs with diameters ϕ of a 150 nm without any roughness (mimicking the annealed sample) (red line symbol), and with roughness of RMS = 1.89 nm (black line symbol); and b 209 nm without any roughness (red line symbol), and with roughness of RMS = 1.89 nm (black line symbol)Back to article page