Super surperficial circular polarization ware of ultra wide band electromagnetism

一种超宽带电磁超表面圆极化器

Abstract

The utility model discloses a super surperficial circular polarization ware of ultra wide band electromagnetism comprises at medium back of the substrate's metal grounding plate in medium top surface of the substrate's metal resonance array and printing medium base plate, printing. Metal resonance array comprises a plurality of slit jerusalem cross units that are periodic matrix arrangement, the structural parameters of every slit jerusalem cross unit is the same to I shape metal arm by 2 quadratures constitutes, and the dielectric surface horizontal direction is the horizontal I shape metal arm of X axle extension and the perpendicular I shape metal arm that the dielectric surface vertical direction is the extension of Y axle promptly, the center of the horizontal metal wire in middle part of horizontal I shape metal arm is crossing with the center of the perpendicular metal wire in middle part of perpendicular flat I shape metal arm, the sculpture has 2 miniature gaps of running through this horizontal metal wire in middle part on the horizontal metal wire in middle part of horizontal I shape metal arm, these 2 miniature gap symmetric positions are in the left and right sides of the perpendicular metal wire in middle part of perpendicular I shape metal arm. The utility model has the characteristics of frequency of operation is wide.
本实用新型公开一种超宽带电磁超表面圆极化器,由介质基板、印制在介质基板顶面的金属谐振阵列和印制在介质基板背面的金属接地板组成。金属谐振阵列由多个呈周期性矩阵排列的微缝耶路撒冷十字单元组成;每个微缝耶路撒冷十字单元的结构参数相同,并由2个正交的I形金属臂构成,即介质表面水平方向即X轴延伸的水平I形金属臂和介质表面垂直方向即Y轴延伸的垂直I形金属臂;水平I形金属臂的中部水平金属线的中心和垂直平I形金属臂的中部垂直金属线的中心相交;水平I形金属臂的中部水平金属线上刻蚀有2条贯穿该中部水平金属线的微型缝隙;这2条微型缝隙对称位于垂直I形金属臂的中部垂直金属线的左右两侧。本实用新型具有工作频率宽的特点。

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    CN-105390819-AMarch 09, 2016桂林电子科技大学Ultra-wideband electromagnetic super-surface circular polarizer