Fig. 3
From: Gap plasmonic properties of NPOM structures composed of gold nanoparticles and thin films
(a1-a5) Electric field distribution of vertical GENP with different aspect ratios, (b1-b5) Electric field distribution of horizontal GENP with different aspect ratios, (c) Resonance spectra of vertical GENP with different aspect ratios, (d) Resonance spectra of horizontal GENP with different aspect ratios.
