Cross polarization converter formed by rotated-arm-square chiral metamaterial

Optical activity and cross polarization conversion (CPC) of a rotated-arm-square chiral metamaterial (CMM) is reported in this work. Proposed CMM shows strong chirality owing to the cross coupling between the induced magnetic field and incident electric field of the applied electromagnetic wave. Mec...

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Bibliographic Details
Published in:Journal of applied physics 2013-12, Vol.114 (22)
Main Authors: Rajkumar, R, Yogesh, N, Subramanian, V
Format: Article
Language:English
Subjects:
Applied physics
Chirality
Conversion
Converters
Coordinate measuring machines
Cross coupling
Cross polarization
Current distribution
Electromagnetic radiation
Magnetic fields
Metamaterials
Microwaves
Optical activity
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Summary:Optical activity and cross polarization conversion (CPC) of a rotated-arm-square chiral metamaterial (CMM) is reported in this work. Proposed CMM shows strong chirality owing to the cross coupling between the induced magnetic field and incident electric field of the applied electromagnetic wave. Mechanism of CPC functionality is explained based on the surface current distribution of CMM structure. Microwave experiment is performed to reveal the CPC utility of the proposed CMM. Among various designs on the CPC converters, possibility of near 99% efficiency is revealed in the proposed CMM.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4846096