Fig. 1
From: Gap plasmonic properties of NPOM structures composed of gold nanoparticles and thin films

Schematic configuration (a) and calculation model (b) with NPOM structures separated by a dielectric layer.
From: Gap plasmonic properties of NPOM structures composed of gold nanoparticles and thin films
Schematic configuration (a) and calculation model (b) with NPOM structures separated by a dielectric layer.