Figure 4
From: Imaging Nanoscale Electromagnetic Near-Field Distributions Using Optical Forces
Spatial distributions of (a) topography and (b) normalized optical image force measured experimentally on clean glass slide at 660 nm with radially polarized input light (c) topography and (d) normalized optical image force measured experimentally on two gold nanoparticles of radius 15 nm on a cleaned glass surface at 660 nm with radially polarized input light.
