解不连续介质结构问题的积分方程法
THE INTEGRAL EQUATION METHOD FOR SOLVING PROBLEMS OF DISCONTINUOUS DIELECTRIC STRUCTURE
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摘要: 本文讨论了用积分方程法处理不连续介质结构问题。先从模式匹配法出发,通过一些变换和推导,得到了相应的散射积分方程和传输积分方程。给出了传输积分方程存在解的充要条件。这个条件实际上就是这种介质结构的色散方程。作为例子,导出了一阶不连续介质结构的简洁解。
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关键词:
- 介质波导; 积分方程法; 模式匹配法
Abstract: From the mode-matching method, by doing some transforms and derivations, the scattering and propagation integral equations for solving the problems of discontinuous dielectric structure are obtained. The necessary and sufficient condition for the existence of solution of propagating equations is given. It is really the dispersion equation of the dielectric structure. As an example, a succinct solution of one-step discontinuous dielectric structure is derived. -
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