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oe1(光电查) - 科学论文

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  • [IEEE 2020 International Workshop on Antenna Technology (iWAT) - Bucharest, Romania (2020.2.25-2020.2.28)] 2020 International Workshop on Antenna Technology (iWAT) - Numerical Analysis of Dielectric Post-Wall Waveguides

    摘要： Functional post-wall waveguides that are formed by periodically distributed dielectric posts are numerically analyzed. The propagation constant and attenuation constant of the dielectric post-wall waveguide is rigorously calculated using our originally developed numerical method. The developed formulation is accurate and numerically very fast. Structural parameters of the dielectric post-wall waveguide are properly chosen in order to achieve the confinement of the field in the guiding region as strong as possible even in case of one-layered dielectric structure. The final goal of our investigations is to realize the functional dielectric post-wall waveguide-based filters, which are expected to have a practical application in THz region, where the metallic (PEC) rods are losing their properties.

    关键词： dielectric post-wall waveguide,complex waves,modal analysis,periodic structure

    更新于2025-09-23 15:21:01

  • An Adjoint Wave of a Round Open Dielectric Waveguide

    摘要： The existence of adjoint waves in a round open dielectric waveguide positioned in an unbounded homogeneous medium is demonstrated. The waves are described by solutions of a homogenous boundary-value problem.

    关键词： dielectric waveguide,adjoint waves,boundary-value problem,complex waves

    更新于2025-09-12 10:27:22