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Type: Journal article
Title: Circular polarization converters based on bi-layered asymmetrical split ring metamaterials
Author: Wu, L.
Yang, Z.
Cheng, Y.
Gong, R.
Zhao, M.
Zheng, Y.
Duan, J.
Yuan, X.
Citation: Applied Physics A: materials science and processing, 2014; 116(2):643-648
Publisher: Springer
Issue Date: 2014
ISSN: 0947-8396
Statement of
Lin Wu, Zhenyu Yang, Yongzhi Cheng, Rongzhou Gong, Ming Zhao, Yu Zheng, Ji'an Duan, Xiuhua Yuan
Abstract: In this paper, a kind of bi-layered asymmetrical split ring metamaterial was proposed as a circular polarization converter. Simulations and experiments at the microwave regime showed that the proposed structures can achieve the conversions from right-handed circularly polarized electromagnetic waves to left-handed ones and the reversed conversions in the opposite propagating direction. The linear to circular polarization transmission coefficients and the surface currents were investigated to understand the mechanism of the circular polarization conversions. Moreover, we optimized the proposed metamaterials by increasing the distance between the two metal layers. The proposed circular polarization converters have applications in microwave wave plates and metamaterial antennas.
Rights: © Springer-Verlag Berlin Heidelberg 2014
DOI: 10.1007/s00339-014-8252-3
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Appears in Collections:Aurora harvest 8
Electrical and Electronic Engineering publications

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