| 填充介质倒梯形脊波导截止特性的有限元分析 |
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| 引用本文： | 李建兵,陈小强,高原.填充介质倒梯形脊波导截止特性的有限元分析[J].光通信研究,2011(5):42-44,63. |
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| 作者姓名： | 李建兵 陈小强 高原 |
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| 作者单位： | 兰州交通大学自动化与电气工程学院; |
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| 基金项目： | 甘肃省教育厅硕导项目(20872) |
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| 摘 要： | 为了寻找最佳截止特性的填充介质脊波导结构,提出了填充介质倒梯形对称双脊波导.采用有限元法借助MATLAB软件计算了填充介质倒梯形对称双脊波导在TE模式下的截止特性,即主模截止波长和单模带宽.绘制出主模场结构图,并分析脊波导截止特性与填充介质相对介电常数之间的关系,给出了关系曲线图.这些结果将对填充介质波导的设计和工程应...
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| 关 键 词： | 截止特性 填充介质波导 有限元法 脊波导 单模带宽 |
Finite element analysis of the cutoff characteristics of dielectric-loaded inverted trapezoid ridge waveguides |
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| Li Jianbing,Chen Xiaoqiang,Gao Yuan.Finite element analysis of the cutoff characteristics of dielectric-loaded inverted trapezoid ridge waveguides[J].Study on Optical Communications,2011(5):42-44,63. |
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| Authors: | Li Jianbing Chen Xiaoqiang Gao Yuan |
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| Affiliation: | Li Jianbing,Chen Xiaoqiang,Gao Yuan(School of Automation and Electrical Eng.,Lanzhou Jiaotong Univ.,Lanzhou 730070,China) |
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| Abstract: | In order to find a dielectric-loaded inverted trapezoid ridge waveguide with the optimum cutoff characteristics,a dielectric-loaded inverted trapezoid symmetrical dual-ridge waveguide is presented.Its cutoff characteristics in the TE mode,i.e.the cutoff wavelength of the main module and single-mode bandwidth,are calculated with the help of MATLAB by using the finite element method.The dominant mode field pattern is drawn,the relationship between the cutoff characteristics and the relative dielectric constan... |
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| Keywords: | cutoff characteristics dielectric-loaded waveguide finite element method ridge waveguide single-mode bandwidth |
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