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Finite-difference time-domain studies of a variety of cylinder arrays with nanometer-scale diameters (nanowires) interacting with light are presented. Scattering and absorption cross sections for metallic nanoscale objects can be obtained from such calculation. The method is verified by comparing the analytical results for cylindrical nanowires. Calculate the optical properties of Ag nanowires and...
In the paper, the method of splitting plane wave FDTD (SP-FDTD) algorithm, an efficient method of introducing plane wave source into finite difference time domain grids, is presented for solving oblique incident wave for the modified high-order FDTD (M24 scheme). Numerical examples in 2-D demonstrate the valid of the method and normalized field leakage was measured at -320 dB levels.
Classical finite-difference time-domain (FDTD) method has been widely used in computational electromagnetics, but for electrically large domains and for late-time analysis, FDTD method begins to show its limitations due to the accumulation of phase errors. To solve this problem, several methods have been proposed such as high-order schemes and four-stage Runge-Kutta integrator. Recently, the symplectic...
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