Dual-Band Circular Polarizers Based on a Planar Chiral Metamaterial Structure

Rike Jie; Handan Jing; Shiyong Li; Yu Xiao

doi:10.1109/LAWP.2019.2944251

Dual-Band Circular Polarizers Based on a Planar Chiral Metamaterial Structure

Rike Jie, Handan Jing, Shiyong Li^*, Yu Xiao

^*Corresponding author for this work

School of Integrated Circuits and Electronics

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

A novel dual-band chiral metamaterial (CMM) circular polarizer is proposed based on a dual-armed wheel-like structure. The proposed CMM can convert a linearly polarized electromagnetic wave into a circularly polarized (CP) mode. The simulation and measured results show, with good consistency, that the CMM exhibits good CP characteristics, such as a polarization isolation higher than 18 dB and an axial ratio lower than 1 dB. In addition, our studies show that all the resonance frequencies of this CMM structure are independent. Finally, a simple design method is presented and verified by a simulation to change the resonance frequencies of the proposed dual-band CMM circular polarizers.

Original language	English
Article number	8852824
Pages (from-to)	2587-2591
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	18
Issue number	12
DOIs	https://doi.org/10.1109/LAWP.2019.2944251
Publication status	Published - Dec 2019

Keywords

Chiral metamaterials (CMMs)
circular polarization
dual-band structure

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10.1109/LAWP.2019.2944251

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title = "Dual-Band Circular Polarizers Based on a Planar Chiral Metamaterial Structure",

abstract = "A novel dual-band chiral metamaterial (CMM) circular polarizer is proposed based on a dual-armed wheel-like structure. The proposed CMM can convert a linearly polarized electromagnetic wave into a circularly polarized (CP) mode. The simulation and measured results show, with good consistency, that the CMM exhibits good CP characteristics, such as a polarization isolation higher than 18 dB and an axial ratio lower than 1 dB. In addition, our studies show that all the resonance frequencies of this CMM structure are independent. Finally, a simple design method is presented and verified by a simulation to change the resonance frequencies of the proposed dual-band CMM circular polarizers.",

keywords = "Chiral metamaterials (CMMs), circular polarization, dual-band structure",

author = "Rike Jie and Handan Jing and Shiyong Li and Yu Xiao",

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T1 - Dual-Band Circular Polarizers Based on a Planar Chiral Metamaterial Structure

AU - Jie, Rike

AU - Jing, Handan

AU - Li, Shiyong

AU - Xiao, Yu

PY - 2019/12

Y1 - 2019/12

N2 - A novel dual-band chiral metamaterial (CMM) circular polarizer is proposed based on a dual-armed wheel-like structure. The proposed CMM can convert a linearly polarized electromagnetic wave into a circularly polarized (CP) mode. The simulation and measured results show, with good consistency, that the CMM exhibits good CP characteristics, such as a polarization isolation higher than 18 dB and an axial ratio lower than 1 dB. In addition, our studies show that all the resonance frequencies of this CMM structure are independent. Finally, a simple design method is presented and verified by a simulation to change the resonance frequencies of the proposed dual-band CMM circular polarizers.

AB - A novel dual-band chiral metamaterial (CMM) circular polarizer is proposed based on a dual-armed wheel-like structure. The proposed CMM can convert a linearly polarized electromagnetic wave into a circularly polarized (CP) mode. The simulation and measured results show, with good consistency, that the CMM exhibits good CP characteristics, such as a polarization isolation higher than 18 dB and an axial ratio lower than 1 dB. In addition, our studies show that all the resonance frequencies of this CMM structure are independent. Finally, a simple design method is presented and verified by a simulation to change the resonance frequencies of the proposed dual-band CMM circular polarizers.

KW - Chiral metamaterials (CMMs)

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KW - dual-band structure

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JF - IEEE Antennas and Wireless Propagation Letters

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Dual-Band Circular Polarizers Based on a Planar Chiral Metamaterial Structure

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Keywords

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