不对称手性超表面的太赫兹对称极化转换

2017 Progress In Electromagnetics Research Symposium - Spring (PIERS) Pub Date : 2017-05-22 DOI:10.1109/PIERS.2017.8261713

F. Lan, P. Mazumder, Ziqiang Yang, L. Meng, Xiaofang Wu, Feng Luo

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引用次数: 0

摘要

从理论上论证了一种利用双层单向不对称电感容(UAELC)手性超材料(CMM)的线性和圆反射偏振变换器(RPC)。通过在三坐标测量机的正面或背面进行线偏振入射的正常照射，实现了90°后向偏振旋转，交叉偏振转换(CPC)率超过99%，同时保证了圆极化(CP)波的近纯交叉偏振转换。uaelc -二聚体具有良好的手性功能是由于其感应磁场和入射电场之间的交叉耦合。这种新型三坐标测量机在太赫兹至红外波段的扫描天线、调制器和探测器等方面具有潜在的应用前景。

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Terahertz symmetrical polarization conversion in asymmetrical chiral metasurface

A linearly and circularly reflective polarization converter (RPC) using bilayer unidirectional asymmetry electric inductive-capacitive (UAELC) chiral metamaterial (CMM) is theoretically demonstrated. By normally illuminated by a linear polarized (LP) incidence on front side or back side of the proposed CMM, backward 90° polarization rotation with cross polarization conversion (CPC) ratio of over 99% is achieved, meanwhile it ensures a nearly pure cross polarization conversion of circularly polarized (CP) wave. The excellent chiral functionality is due to the cross coupling between the induced magnetic field and incident electric field among the UAELC-dimer. The novel CMM may greatly benefit potential applications including scanning antenna, modulator, and detector inTHz to infrared regions.

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2017 Progress In Electromagnetics Research Symposium - Spring (PIERS)

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