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首页> 外文期刊>Magnetics, IEEE Transactions on >A New Type of Transmission Line-Based Metamaterial Resonator and Its Implementation in Original Applications
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A New Type of Transmission Line-Based Metamaterial Resonator and Its Implementation in Original Applications

机译：一种新型的基于传输线的超材料谐振器及其在原始应用中的实现

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摘要

In this paper, a new type of transmission line-based metamaterial resonator is proposed. The structure is based on a modified uniplanar series resonator bent to form a close square loop inclusion which contains a distributed capacitance and inductance. Many advantages of the proposed structure over conventional split ring resonators are discussed. Based on simple transmission line theory, the resonance frequency at which a deep rejection frequency band occurs with sharp cutoff rates beside the stopband, due to the presence of negative effective permeability in the dielectric slab of the host transmission line in the vicinity of resonance, is calculated and verified with simulated and measured results. Two prototype microwave devices are designed to illustrate the potentiality of the proposed inclusion. The first design represents a dual-band bandstop filter with designed center band frequencies at 1.6 and 2.2 GHz. The lumped element model of this filter contains four series-connected parallel LC resonators which are implemented using our high Q-factor artificial magnetic materials (AMMs) patterned on the backside of a coplanar waveguide (CPW) transmission line. The second device is a miniaturized hybrid branch line coupler operating at 2.4 GHz, based on a special loading technique that increases the electric length of transmission lines by patterning the ground plane under the conductor trace in microstrip lines with the complementary, dual-behavior, configuration of AMMs. A size reduction factor up to 16.95% is achieved compared to conventional couplers. For both design examples the measured and simulated responses are in very good agreement which validates our work.
机译：本文提出了一种新型的基于传输线的超材料谐振器。该结构基于经过修改的单平面串联谐振器，该谐振器弯曲以形成包含分布电容和电感的闭合方形环路夹杂物。讨论了所提出的结构相对于常规裂环谐振器的许多优点。根据简单的传输线理论，由于在谐振附近的主传输线的介电平板中存在负有效磁导率，因此在阻带旁边以截止频率急剧截止的情况下，出现深抑制频带的谐振频率为：用模拟和测量结果进行计算和验证。设计了两个原型微波设备来说明所提出的包含物的潜力。第一种设计是一个双频带带阻滤波器，其设计的中心频带频率为1.6和2.2 GHz。该滤波器的集总元件模型包含四个串联的并联LC谐振器，这些谐振器使用我们的高Q因子人造磁材料（AMM）实现，该材料在共面波导（CPW）传输线的背面进行了图案化。第二个设备是在2.4 GHz频率下运行的小型混合支路耦合器，它基于一种特殊的加载技术，该技术通过在微带线中的导体走线下方以互补的双行为配置对接地线进行构图，从而增加了传输线的电长度。 AMM。与传统的耦合器相比，可实现高达16.95％的尺寸减小率。对于这两个设计实例，所测得的响应和仿真的响应非常吻合，这验证了我们的工作。

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