Figure 7

Schematic diagrams of 103-nm GNP, 80-nm SNP, and 40-nm GNR on (a) a PLL-coated glass slide, and (b) gold nanospots. (c) (i) Physical set-up of the EDF illumination based 3D SRM system, (ii) schematic diagram of z-slicing, and (iii) the 3D PSF profile. CCD: charge-coupled device; DC: digital camera; FC: filter cube; EDFC: enhanced dark-field condenser; z: z-stage controller.