| 基于FDTD方法的光栅结构光谱特性研究 |
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| 引用本文： | 苟于春,宣益民,韩玉阁,李强.基于FDTD方法的光栅结构光谱特性研究[J].工程热物理学报,2011(1):80-84. |
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| 作者姓名： | 苟于春 宣益民 韩玉阁 李强 |
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| 作者单位： | 南京理工大学动力工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(No.50936002;No.50776047) |
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| 摘 要： | 基于时域有限差分(FDTD)法,从麦克斯韦方程组出发,结合周期边界条件将完全匹配层SAC-PML吸收边界条件应用到所建立的光栅数值模型中.对光栅结构和光滑表面结构的光谱特性进行了数值计算,得到了TM波入射时结构的吸收率,讨论了金属光栅耦合的表面等离子极化(SPPs)和空腔谐振模(Microcavity Mode)现象....
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| 关 键 词： | 光栅 时域有限差分法 光谱特性 |
INVESTIGATION ON THE SPECTRAL PROPERTIES OF GRATINGS BASED ON FDTD METHOD |
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| GOU Yu-Chun XUAN Yi-Min HAN Yu-Ge LI Qiang.INVESTIGATION ON THE SPECTRAL PROPERTIES OF GRATINGS BASED ON FDTD METHOD[J].Journal of Engineering Thermophysics,2011(1):80-84. |
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| Authors: | GOU Yu-Chun XUAN Yi-Min HAN Yu-Ge LI Qiang |
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| Institution: | GOU Yu-Chun XUAN Yi-Min HAN Yu-Ge LI Qiang (School of Power Engineering,Nanjing University of Science and Technology,Nanjing 210094,China) |
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| Abstract: | Based on the Finite-Difference Time-Domain(FDTD) method,the perfectly matched layer (SAC-PML) absorbing boundary conditions(ABCs) combined with periodic boundary conditions (PBCs) were applied to the grating numerical model.Numerical calculations of spectral properties of the grating and smooth-surface structures were carried out.Absorptance of these two structures was obtained when the TM wave was used as the incident wave,and the metallic grating-coupled surface plasmon polarizations(SPPs) and the microca... |
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| Keywords: | grating finite-difference time-domain method spectral property |
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