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The Analysis of Ag Nanospheres and Arrays LSPR Phenomena Based on DDA and FDTD Method

机译:基于DDA和FDTD法的Ag纳米纳米和阵列LSPR现象分析

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The Discrete Dipole Approximation (DDA) method and the Finite Difference Time Domain (FDTD) method are used to analyze silver nanospheres with different radius and the coupling of nanospheres array complementarity. DDA method is used for simulating the extinction spectra of single silver nanosphere and nanospheres array; and the coupling of two nanospheres and their surrounding electric field distribution are simulated by FDTD method. Through these results, we got some important conclusions of nanoparticles' Localized Surface Plasmon Resonance (LSPR) phenomenon.
机译:离散偶极近似(DDA)方法和有限差分时域(FDTD)方法用于分析具有不同半径的银纳米球和纳米球阵列互补性的耦合。 DDA方法用于模拟单一银纳米和纳米球阵列的消光光谱;通过FDTD方法模拟两个纳米球的耦合及其周围的电场分布。通过这些结果,我们对纳米颗粒的局部表面等离子体共振(LSPR)现象进行了一些重要结论。

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