填充左右手材料的矩形屏蔽微带线主模截止波长的比较研究  

Comparative Study of the Cutoff Wavelength of the Dominant Mode in Rectangle-shaped Microshield Lines Loaded with Right-handed Materials and Left-handed Materials

作　　者：孙海[1,2] 

机构地区：[1]乐山师范学院数学与信息科学学院,四川乐山614000 [2]东华理工大学理学院,江西南昌344000

出　　处：《山西大学学报（自然科学版）》2014年第1期70-76,共7页Journal of Shanxi University(Natural Science Edition)

基　　金：江西省自然科学青年基金(20122BAB211008);乐山师范学院博士启动项目(Z1326)

摘　　要：运用矢量有限元方法对填充左右手材料的多种矩形屏蔽微带线的主模截止波长进行了比较研究,其中包括矩形单金属对称和不对称屏蔽微带线,两金属对称、两金属位置不对称、两金属宽度不对称及两金属高度不对称屏蔽微带线等情况。讨论了这些屏蔽微带线的主模截止波长随填充材料以及模型尺寸的变化而引起的改变,其数值计算结果将有助于矩形屏蔽微带线和左手材料在新型微波器件中的设计。The edge-based finite element method is introduced to comparatively study the cutoff wavelength of the dominant mode in many types of rectangle-shaped microshield lines loaded with right-handed materi- als and left-handed materials, including rectangle-shaped microshield lines with symmetrical single metal, rectangle-shaped microshield lines with asymmetrical single metal, rectangle-shaped microshield lines with symmetrical dual metals,rectangle-shaped microshield lines with asymmetrical dual metals of position, rec- tangle-shaped microshield lines with asymmetrical dual metals of width and rectangle-shaped microshield lines with asymmetrical dual metals of height. The changes of the cutoff wavelength of dominant mode were studied by changed the dielectric constant of dielectric substrate and the dimensions of the models. The numerical results are considered to be helpful in the design of novel microwave components which use rectangle-shaped microshield lines and left-handed materials.

关 键 词：矩形屏蔽微带线 左手材料 主模截止波长 矢量有限元法 

分 类 号：O441[理学—电磁学]