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基于FDTD方法的光栅结构光谱特性研究
  • ISSN号：0253-231X
  • 期刊名称：工程热物理学报
  • 时间：2011
  • 页码：80-84
  • 分类：TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]南京理工大学动力工程学院,江苏南京210094
  • 相关基金：国家自然科学基金资助项目（No.50936002;No.50776047）
  • 相关项目：多因素耦合作用下微/纳尺度热辐射特性及传输机理研究
作者： 苟于春|宣益民|韩玉阁|李强|
关键词： 光栅, 时域有限差分法, 光谱特性, grating, finite-difference time-domain method, spectral property
中文摘要：

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。结果表明由于表面等离子效应和空腔谐振现象的存在,与光滑表面相比光栅表面的吸收率得到了显著的增强。

英文摘要：

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 microcavity mode were discussed.The results indicate that,the absorptance of grating structure can be enhanced significantly compared with that of smooth-surface structure due to the present of SPPs and microcavity mode.

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多因素耦合作用下微/纳尺度热辐射特性及传输机理研究
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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:21026