Figure 2From: Engineering optical properties of gold-coated nanoporous anodic alumina for biosensingReflectance spectra of samples with different t PW before gold deposition. Red symbols joined with solid red line represent experimentally measured reflectance spectra. Solid black line represents the best least-square fit corresponding to simulation. (a) tPW = 0 min, (b) tPW = 6 min, (c) tPW = 12 min, and (d) tPW = 18 min.Back to article page