矩形波导加载左手介质的场特性  

Propagation in Metamaterial Slab Loaded Rectangular Waveguide

作　　者：李瑞莲[1] 

机构地区：[1]太原理工大学信息工程学院,山西太原030024

出　　处：《太原理工大学学报》2008年第S1期94-96,共3页Journal of Taiyuan University of Technology

摘　　要：简要介绍了介电常数ε和磁导率μ同时为负的左手介质的奇异特性。利用场分量匹配法给出了矩形波导对称加载单片左手介质时的场特性,并求出了色散方程。在此基础上分析了单片左手介质对称加载矩形波导时不同介电常数和不同加载厚度下截止波长的变化趋势,同时绘出了不同介电常数时的β—ω曲线,在传输常数为实数时,群速度很低甚至趋近于零。The strange properties of left-handed materials(LHM),whose permittivity and permeability are both negative,is briefly introduced.The electric and magnetic field components are given in rectangular waveguide loaded with LHM by use of field component matched method.According to the obtained dispersion equation,the tendency of cutoff wavelength is analyzed where the dielectric constant and the slab thickness are different.And the β-ω diagrams have been obtained for various permittivities constant.When propaga...

关 键 词：左手介质 矩形波导 色散方程 截止波长 群速度 

分 类 号：O441.4[理学—电磁学]