UC-PBG结构创建准TEM波导的仿真分析

张弛; 罗积润

doi:10.3724/SP.J.1146.2009.00111

UC-PBG结构创建准TEM波导的仿真分析

doi: 10.3724/SP.J.1146.2009.00111

张弛,
罗积润^①

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出版历程
- 收稿日期: 2009-01-20
- 修回日期: 2009-07-03
- 刊出日期: 2010-02-19

Analysis and Simulation of the Quasi-TEM Waveguide by Using UC-PBG Structure

Zhang Chi,
Luo Ji-run^①

摘要

摘要: 光子带隙(Photonic BandGap, PBG)，是指人造的周期性电介质结构，它使得在一定频率范围内的电磁波是禁止传播的，而单平面紧凑型光子带隙结构(UC-PBG)是一种以微带基片为载体的周期性平面光子带隙结构。该文用UC-PBG结构置换标准矩形波导窄边，可在UC-PBG结构的谐振频率点附近将TE10模转变成准TEM模。通过对整个系统进行仿真计算，证实了此方法切实有效，在Ku波段转换带宽达到450 MHz。
- 光子带隙; UC-PBG结构; 理想磁导体; 准TEM波导
Abstract: Photonic BandGap (PBG) is man-made periodic dielectric structure, which may control the propagation of electromagnetic waves in certain frequency range. And the Uniplanar Compact Photonic BandGap (UC-PBG) is a periodic photonic bandgap on a conductor-backed dielectric substrate. This paper introduces a waveguide using the UC-PBG structure, which replace the two bilateral sides of a rectangular waveguide. The simulations with Ansoft HFSS indicate that the TE10 mode can be converted to quasi-TEM mode in the range of 15.15 GHz-15.60 GHz with the UC-PBG structure.

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参考文献(1)

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