Asymmetric Electromagnetic Wave Polarization Conversion through Double Spiral Chiral Metamaterial Structure

摘要：

　　This paper presents the design, simulation and measurement of a chiral metamaterial with double spiral unit cell structure that can be used to convert the polarization states of linearly polarized electromagnetic (EM) wave.The metamaterial is composed of a dielectric slab sandwiched by a double spiral metallic structure.By full-wave EM simulations and free space measurements, a strong polarization conversion of linearly polarized EM wave has been demonstrated in the microwave band.Moreover, the polarization conversion is asymmetric due to the chirality of the structure, therefore the structure could allow propagation of linearly polarized EM wave along one direction, while almost no propagation along the opposite direction.The proposed chiral metamaterial structure could find applications in designing polarization control devices.

作者: Linxiao Wu Bo Zhu Junming Zhao YijunFeng

作者单位: Department of Electronic Engineering, School of Electronic Science and Engineering, Nanjing University, 210093

会议类型: 国际会议

会议名称: 2013 International Symposium on Antennas and Propagation(2013天线与传播国际会议)

会议地点: 南京

会议语种:英文

页码: 1215-1218

在线出版日期: 2013-10-23（万方平台首次上网日期，不代表论文的发表时间）