Volume 31, Issue 7 e22671
RESEARCH ARTICLE

Metamaterial slabs enhanced modified antipodal Vivaldi antenna

Ziye Wang

Ziye Wang

School of Geophysics and Information Technology, China University of Geosciences, Beijing, China

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Minjie Guo

Minjie Guo

School of Geophysics and Information Technology, China University of Geosciences, Beijing, China

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Xiao Zhao

Xiao Zhao

School of Geophysics and Information Technology, China University of Geosciences, Beijing, China

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Linyan Guo

Corresponding Author

Linyan Guo

School of Geophysics and Information Technology, China University of Geosciences, Beijing, China

Correspondence

Linyan Guo, School of Geophysics and Information Technology, China University of Geosciences, Beijing, China.

Email: [email protected]

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Zhengwei Yang

Zhengwei Yang

School of Geophysics and Information Technology, China University of Geosciences, Beijing, China

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Lianfeng Chen

Lianfeng Chen

School of Geophysics and Information Technology, China University of Geosciences, Beijing, China

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First published: 03 April 2021
Citations: 10

Funding information: National Natural Science Foundation of China, Grant/Award Numbers: 41974092, 41704176; Fundamental Research Funds for the Central Universities from China, Grant/Award Number: 2652019036; National Key Research and Development Program of China, Grant/Award Numbers: 2018YFC0604104, 2016YFC0600201

Abstract

A metamaterials slabs covered antipodal Vivaldi antenna (MSCAVA) is proposed herein to improve directivity and gain. The proposed metamaterials slabs have a higher effective permittivity than the substrate. The design process of proposed MSCAVA is presented, along with the comparison with other existing works. The simulated and measured results show that the −10 dB bandwidth of the proposed antenna is 1.5 to 8 GHz while the E-planes' and H-planes' half-power beamwidth have been effectively reduced. The maximum gain is 16.4 dBi at 8 GHz. Owing to those good properties, the proposed MSCAVA could be used in short-pulse ground penetrating radar and other situations where need high gain and directivity.

DATA AVAILABILITY STATEMENT

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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