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首页> 外文期刊>Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics >The localized surface plasmon resonances based on a Bragg reflector
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The localized surface plasmon resonances based on a Bragg reflector

机译：基于布拉格反射器的局部表面等离子体激元共振

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In this paper, we present the theoretical analysis on how the wavelength of the localized surface plasmon resonances of gold nanoparticle can lead shift for the resonance wavelength. In our results, we calculate the scattering cross-section, the absorption crosssection and the field enhancement due to the nanoparticle. Numerical simulation were done using the finite element method (FEM). The work that we do here is different from the previous work because we use the Bragg reflector as a substrate. The Bragg reflector has a property of high reflectivity in some certain frequency bandwidth because of its periodic structure. The coherence interference of the Bragg reflector contributes to the plasmon resonances and results in some special character for a wide variety application, from sensing to photovoltaic. The periodic number of the Bragg reflector substrate and shapes of the nanoparticles are also discussed that result in a shift of the resonance wavelength.
机译：在本文中，我们对金纳米粒子的局部表面等离振子共振的波长如何导致共振波长的偏移进行了理论分析。在我们的结果中，我们计算了由于纳米粒子引起的散射截面，吸收截面和场增强。使用有限元方法（FEM）进行了数值模拟。我们在此所做的工作与以前的工作有所不同，因为我们使用布拉格反射器作为基板。布拉格反射器由于其周期性结构而在某些特定频率带宽中具有高反射率的特性。布拉格反射器的相干干涉会导致等离激元共振，并导致从传感到光伏等多种应用的特殊特征。还讨论了布拉格反射器基板的周期数和纳米颗粒的形状，这些形状导致共振波长的偏移。

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