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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 this paper, a new set of high-order FDTD schemes are introduced using the symplectic Runge-Kutta-Nystrom integration techniques for Hamilton system. This method disperses the Maxwell functions in the time domain based on symplectic method, which can preserve the exchangeability of the Hamilton system for phase space and the total energy. Central differences are maintained in the approximation of...
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