Fig. 7From: Gold Nanohole Array with Sub-1 nm Roughness by Annealing for Sensitivity Enhancement of Extraordinary Optical Transmission BiosensorMeasured transmission spectrum of coated and uncoated NHAs by a target molecule 16-MHA. a, b As-fabricated NHAs of hole diameter of 150 and 209 nm, respectively, and c, d annealed NHAs of hole diameter of 150 and 209 nm, respectivelyBack to article page