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Near-field intensity distribution around (a) isolated perpendicular oriented dipole (along x-axis), (b) an 80-nm silver nanoparticle dimer with a gap space of 4 nm with the dipole in the middle of the dimer axis calculated using FDTD, and (c) near-field enhancement and quenching. The white circle denotes the boundary of the nanoparticles. Note all images are displayed in the log scale.
