ArticleNanophotonics (Berlin, Germany)2023
Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation.
Article in Nanophotonics (Berlin, Germany), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Comment on "Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation".Nanophotonics (Berlin, Germany) · 2024Article
- Reply to Comment on "Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation".Nanophotonics (Berlin, Germany) · 2024Article
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Abstract
Metasurface design tends to be tedious and time-consuming based on sweeping geometric parameters. Common numerical simulation techniques are slow for large areas, ultra-fine grids, and/or three-dimensional simulations. Simulation time can be reduced by combining the principle of the discrete dipole approximation (DDA) with analytical solutions for light scattered by a dipole near a flat surface. The DDA has rarely been used in metasurface design, and comprehensive benchmarking comparisons are lacking. Here, we compare the accuracy and speed of three DDA methods-substrate discretization, two-dimensional Cartesian Green's functions, and one-dimensional (1D) cylindrical Green's functions-against the finite difference time domain (FDTD) method. We find that the 1D cylindrical approach performs best. For example, the
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