Nanoscale high-intensity light focusing with pure dielectric nonspherical scatterer.
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Light scattering from nonspherically symmetric pure dielectric structures is examined. From the finite element full-wave analysis, it is found that teardrop-shaped scatterers can focus visible light to a ∼10 nm spot with an intensity enhancement ∼10(5) when the incident light is radially polarized.
author list (cited authors)
Sundaram, V. M., & Wen, S.