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We study the response of a finite-sized nanoparticle array to an incident field in the vicinity of the Γ-point of the lattice. Using the coupled dipole approximation, we find that… Click to show full abstract
We study the response of a finite-sized nanoparticle array to an incident field in the vicinity of the Γ-point of the lattice. Using the coupled dipole approximation, we find that the dipole distributions can be strongly inhomogeneous and that strong modulations appear as the energy is above the Γ-point. We highlight how this is reflected in real-space extinction efficiencies as well as in radiation patterns from the finite-sized array. This article is part of the themed issue ‘New horizons for nanophotonics’.
Keywords:
dipole approximation;
coupled dipole;
point;
nanoparticle array;
sized nanoparticle;
finite sized
Journal Title: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Year Published: 2017
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Journal Title: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!