| 用Cassinian变换FDTD方法分析几种特殊截面波导传输特性 |
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| 引用本文： | 周晓军,喻志远,林为干. 用Cassinian变换FDTD方法分析几种特殊截面波导传输特性[J]. 电子学报, 2000, 28(3): 53-56 |
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| 作者姓名： | 周晓军 喻志远 林为干 |
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| 作者单位： | 1. 电子科技大学光电子技术系,成都 610054;2. 电子科技大学应用物理研究所,成都 610054 |
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| 基金项目： | 国家自然科学基金!(No .697710 2 7) |
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| 摘 要： | 本文把保角变换应用于紧凑格式2D/FDTD算法,给出了保角变换FDTD算法差分公式,提出了焦点的处理方法.用Cassinian变换分别计算了椭圆波导、茧形波导的截止波长与色散曲线,以及屏蔽平行双线高阶模的截止波长.
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| 关 键 词： | 保角变换 FDTD方法 焦点 Cassinian变换 |
| 收稿时间： | 1998-10-19 |
Propagation Characteristics Analysis for Special Cross-Section Waveguides by Cassinian Transformation FDTD Method |
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| ZHOU Xiao-jun,YU Zhi-yuan,LIN Wei-gan. Propagation Characteristics Analysis for Special Cross-Section Waveguides by Cassinian Transformation FDTD Method[J]. Acta Electronica Sinica, 2000, 28(3): 53-56 |
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| Authors: | ZHOU Xiao-jun YU Zhi-yuan LIN Wei-gan |
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| Affiliation: | 1. Department of Photoelectron Technology,University of Electronic Science and Technology of China,Chengdu 610054,China;2. Institute of Applied Physics,University of Electronic Science and Technology of China,Chengdu 610054,China |
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| Abstract: | In this paper,we apply conformal mapping into compact 2D/FDTD algorithm,gave the difference formula of conformal mapping FDTD algorithm,propose the treatment method of focus.The cutoff wavelengths and dispersion curves of elliptic and of cocoon section waveguides are calculated,and the cutoff wavelengths of high order modes of shield two parallel lines are also given by this method. |
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| Keywords: | conformal mapping FDTD method focus Cassinian transformation |
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