针对目前由金属开口谐振环与金属杆构成的左手材料结构存在构造比较复杂、工艺实现较难的缺点,设计实现了一种基于金属条的改进结构一”王”字型结构.通过理论分析和电磁仿真软件Ansoft HFSS 10模拟仿真,利用散射参量法提取参数结果表明该结构可以在X波段实现介电常数和磁导率同时为负.讨论研究了该左手结构的金属条宽度、中间缺口宽度、中间条宽度三个结构尺寸参数变化对谐振频率和透射峰幅值的影响,结果表明三个参数的变化都会对二者产生影响,其中金属条宽度改变对透射峰值影响幅度相对较大,缺口宽度改变对谐振频率影响幅度相对较大.
参考文献
| [1] | Veselago V G .[J].Soviet Physics Uspekhi,1968,4:509-514. |
| [2] | Wang Jia-Fu,屈绍波,Xu Zhuo,张介秋,Yang Yi-Ying,马华.磁谐振和电谐振结构构成的左手材料设计[J].物理学报,2008(08):5015-5019. |
| [3] | Dongxing Wang;Lixin Ran;Hongsheng Chen;Mingkai Mu;Jin Au Kong;Bae-Ian Wu .Experimental validation of negative refraction of metamaterial composed of single side paired S-ring resonators[J].Applied physics letters,2007(25):254103-1-254103-3-0. |
| [4] | Jiaming Hao;Yu Yuan;Lixin Ran;Tao Jiang;Jin Au Kong;C.T. Chan;Lei Zhou .Manipulating Electromagnetic Wave Polarizations by Anisotropic Metamaterials[J].Physical review letters,2007(6):063908.1-063908.4. |
| [5] | 刘亚红,罗春荣,赵晓鹏.同时实现介电常数和磁导率为负的H型结构单元左手材料[J].物理学报,2007(10):5883-5889. |
| [6] | 杨一鸣,屈绍波,王甲富,徐卓.由同时具有磁谐振和电谐振结构组成的左手材料[J].物理学报,2009(02):1031-1035. |
| [7] | D. Schurig;J. J. Mock;D. R. Smith .Electric-field-coupled resonators for negative permittivity metamaterials[J].Applied physics letters,2006(4):041109-1-041109-3-0. |
| [8] | Ruopeng Liu;Aloyse Degiron;Jack J. Mock;David R. Smith .Negative index material composed of electric and magnetic resonators[J].Applied physics letters,2007(26):263504-1-263504-3-0. |
| [9] | Pendry J B;Holden A J;Stewart W J;Youngs I .[J].Physical Review Letters,1996,76(11):4773-4776. |
| [10] | Jiangfeng Zhou;Eleftherios N. Economon;Thomas Koschny;Costas M. Soukoulis .Unifying approach to left-handed material design[J].Optics Letters,2006(24):3620-3622. |
| [11] | D R Smith;S Schultz .Determination of effective permittivity and permeability of metamaterials from reflection and transmission coefficients[J].Physical Review B:Condensed Matter,2002,65:195104. |
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