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本文将磁谐振环-金属线共面结构与磁谐振环相结合,提出了一种基于斜三角开口对环结构的新型宽频带低耗左手材料结构.该结构能产生两个磁谐振,实现两个双负频段.研究表明,调节单元尺寸可使两个双负频段移动重合形成一个宽频带.理论分析、仿真和测试结果均表明,本文提出的新形结构在9.3—13.2 GHz频段同时具有负的磁导率和负的介电常数,相对带宽34.7%,损耗性能系数347.9,实现了宽带低耗左手材料.其研究结果对多频段、宽带低耗左手材料的设计具有重要的指导意义.
In this paper, we combine the magnetic resonance ring-metal line coplanar structure with the magnetic resonance ring, and propose a new wideband low-loss left-handed material structure based on the oblique triangular opening ring structure. This structure can produce two magnetic resonances, The results show that adjusting the cell size can make the two double negative frequency bands overlap to form a wide band.Theoretical analysis, simulation and test results show that the new structure proposed in this paper has both negative Permeability and negative dielectric constant, the relative bandwidth of 34.7%, the loss coefficient of 347.9, to achieve a broadband low-energy left-handed material.The results of the study on the multi-band, broadband low-energy left-handed material design is of great guiding significance.