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左手材料填充亚波长谐振腔的传输线实现.pdf

发布:2015-10-05约2.24万字共6页下载文档
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Transmission Line Realization of Subwavelength Resonator Formed by a Pair of Conventional and LHM Slabs 1 Tian Jiang* Yijun Feng Department of Electronic Department of Electronic Science and Technology Science and Technology Nanjing University Nanjing University Nanjing, P. R. China 210093 Nanjing, P. R. China 210093 jiangtian@ yjfeng@ Abstract In this paper, the authors present the transmission line (TL) realization of one-dimensional subwavelength resonator formed by a pair of conventional right-handed material (RHM) and left-handed material (LHM). In such a resonator, a novel resonant mode with the resonant frequency depending on the length ratio of the RH/LH TL sections occurs as a consequence of the full phase compensation due to the backward wave in the LH TL section. The theoretical circuit-model analyses are supported by simulation and experimental evidence on resonators with different RH/LH length ratios. Keywords: Transmission line (TL), Subwavelength resonator, Left-handed material (LHM), Phase compensation. 1 Introduction Left-handed materials (LHMs), first investigated theoretically by Veselago [1], have received substantial attention in the scientific and engineering communities. The unique properties of these metamaterials are
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