High-gain UWB double slot vivaldi antenna loaded with metasurface and semi-elliptical slots

Qian Zou; Zhen Gu; Rensheng Xie; Zhongxiang Zhang; Hualiang Zhang; Jun Ding

doi:10.1002/mop.33713

High-gain UWB double slot vivaldi antenna loaded with metasurface and semi-elliptical slots

Qian Zou
, Zhen Gu
, Rensheng Xie
, Zhongxiang Zhang
, Hualiang Zhang
, Jun Ding^*

^*Corresponding author for this work

School of Communication and Electronic Engineering

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

1 Scopus citations

Abstract

In this work, an ultra-wideband double slot Vivaldi antenna (DSVA) loaded with a novel wideband nonresonant metasurface is proposed to enhance the gain. The semi-elliptical slots are etched on both sides of the ground plane of the DSVA to improve the current distribution. In addition, the nonresonant metasurface composed of WiFi-shaped unit cells could maintain a stable high refractive index in the operating bandwidth of 1−18 GHz, which could bend the outgoing wave to the end-fire direction. Both the original antenna and the proposed antenna are simulated, fabricated, and characterized. The measured results are in good accordance with the simulated ones. The return losses of both antennas are less than −10 dB in the frequency range of 2−13.4 GHz, while the gain of the proposed antenna is improved from 13.6 to 16.3 dBi with a maximum gain enhancement of 3.1 dB.

Original language	English
Pages (from-to)	2412-2417
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	65
Issue number	8
DOIs	https://doi.org/10.1002/mop.33713
State	Published - Aug 2023

Keywords

double slot Vivaldi antenna (DSVA)
high directivity
metasurface
ultra-wideband operation

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10.1002/mop.33713

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@article{979729a2457d4c108a63fa1c79e0b481,

title = "High-gain UWB double slot vivaldi antenna loaded with metasurface and semi-elliptical slots",

abstract = "In this work, an ultra-wideband double slot Vivaldi antenna (DSVA) loaded with a novel wideband nonresonant metasurface is proposed to enhance the gain. The semi-elliptical slots are etched on both sides of the ground plane of the DSVA to improve the current distribution. In addition, the nonresonant metasurface composed of WiFi-shaped unit cells could maintain a stable high refractive index in the operating bandwidth of 1−18 GHz, which could bend the outgoing wave to the end-fire direction. Both the original antenna and the proposed antenna are simulated, fabricated, and characterized. The measured results are in good accordance with the simulated ones. The return losses of both antennas are less than −10 dB in the frequency range of 2−13.4 GHz, while the gain of the proposed antenna is improved from 13.6 to 16.3 dBi with a maximum gain enhancement of 3.1 dB.",

keywords = "double slot Vivaldi antenna (DSVA), high directivity, metasurface, ultra-wideband operation",

author = "Qian Zou and Zhen Gu and Rensheng Xie and Zhongxiang Zhang and Hualiang Zhang and Jun Ding",

note = "Publisher Copyright: {\textcopyright} 2023 Wiley Periodicals LLC.",

year = "2023",

month = aug,

doi = "10.1002/mop.33713",

language = "英语",

volume = "65",

pages = "2412--2417",

journal = "Microwave and Optical Technology Letters",

issn = "0895-2477",

publisher = "John Wiley \& Sons Inc.",

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}

TY - JOUR

T1 - High-gain UWB double slot vivaldi antenna loaded with metasurface and semi-elliptical slots

AU - Zou, Qian

AU - Gu, Zhen

AU - Xie, Rensheng

AU - Zhang, Zhongxiang

AU - Zhang, Hualiang

AU - Ding, Jun

PY - 2023/8

Y1 - 2023/8

N2 - In this work, an ultra-wideband double slot Vivaldi antenna (DSVA) loaded with a novel wideband nonresonant metasurface is proposed to enhance the gain. The semi-elliptical slots are etched on both sides of the ground plane of the DSVA to improve the current distribution. In addition, the nonresonant metasurface composed of WiFi-shaped unit cells could maintain a stable high refractive index in the operating bandwidth of 1−18 GHz, which could bend the outgoing wave to the end-fire direction. Both the original antenna and the proposed antenna are simulated, fabricated, and characterized. The measured results are in good accordance with the simulated ones. The return losses of both antennas are less than −10 dB in the frequency range of 2−13.4 GHz, while the gain of the proposed antenna is improved from 13.6 to 16.3 dBi with a maximum gain enhancement of 3.1 dB.

AB - In this work, an ultra-wideband double slot Vivaldi antenna (DSVA) loaded with a novel wideband nonresonant metasurface is proposed to enhance the gain. The semi-elliptical slots are etched on both sides of the ground plane of the DSVA to improve the current distribution. In addition, the nonresonant metasurface composed of WiFi-shaped unit cells could maintain a stable high refractive index in the operating bandwidth of 1−18 GHz, which could bend the outgoing wave to the end-fire direction. Both the original antenna and the proposed antenna are simulated, fabricated, and characterized. The measured results are in good accordance with the simulated ones. The return losses of both antennas are less than −10 dB in the frequency range of 2−13.4 GHz, while the gain of the proposed antenna is improved from 13.6 to 16.3 dBi with a maximum gain enhancement of 3.1 dB.

KW - double slot Vivaldi antenna (DSVA)

KW - high directivity

KW - metasurface

KW - ultra-wideband operation

UR - https://www.scopus.com/pages/publications/85152262952

U2 - 10.1002/mop.33713

DO - 10.1002/mop.33713

M3 - 文章

AN - SCOPUS:85152262952

SN - 0895-2477

VL - 65

SP - 2412

EP - 2417

JO - Microwave and Optical Technology Letters

JF - Microwave and Optical Technology Letters

IS - 8

ER -

High-gain UWB double slot vivaldi antenna loaded with metasurface and semi-elliptical slots

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Keywords

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