A 16-modified antipodal Vivaldi antenna array for microwave-based breast tumor imaging applications

Md Samsuzzaman, Mohammad Tariqul Islam, Md T. Islam, Abdullah A.S. Shovon, Mohammad Rashed Iqbal Faruque, Norbahiah Misran

Research output: Contribution to journalArticle

Abstract

In this article, an improved method is introduced for enhancing the gain and directivity of a modified antipodal Vivaldi antenna, which is suitable for detecting malignant cells in the breast through microwave imaging. By slotting on the fins of the antenna with the addition of parasitic elliptical patch makes the antenna radiation more directive with more gain at the lower band range. The operating fractional bandwidth of this proposed Vivaldi antenna is 120% (2.50-11 GHz) with compact dimension and directive radiation pattern with 7.20 dBi highest gain. The antenna time-domain performance and the near-field directivity (NFD) are also observed. Effective microwave breast phantom imaging system with an array of 16 antipodal antennas is designed where one antenna works as a transmitter and rest of the antenna works as a receiver in turn. The imaging performance is investigated with tumor inside the breast phantom using the Microwave Radar-Based Imaging Toolbox open source software. Detection of tumor tissue inside breast phantom has been identified by analyzing the modified antipodal Vivaldi antennas' backscattered signal.

Original languageEnglish
JournalMicrowave and Optical Technology Letters
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

antenna arrays
Antenna arrays
breast
Tumors
tumors
antennas
Microwaves
Antennas
Imaging techniques
microwaves
directivity
Antenna radiation
Slotting
Directional patterns (antenna)
fins
Imaging systems
radiation
high gain
Transmitters
transmitters

Keywords

  • antipodal Vivaldi antenna
  • breast tumor
  • microwave imaging
  • parasitic elliptical patch

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this article, an improved method is introduced for enhancing the gain and directivity of a modified antipodal Vivaldi antenna, which is suitable for detecting malignant cells in the breast through microwave imaging. By slotting on the fins of the antenna with the addition of parasitic elliptical patch makes the antenna radiation more directive with more gain at the lower band range. The operating fractional bandwidth of this proposed Vivaldi antenna is 120{\%} (2.50-11 GHz) with compact dimension and directive radiation pattern with 7.20 dBi highest gain. The antenna time-domain performance and the near-field directivity (NFD) are also observed. Effective microwave breast phantom imaging system with an array of 16 antipodal antennas is designed where one antenna works as a transmitter and rest of the antenna works as a receiver in turn. The imaging performance is investigated with tumor inside the breast phantom using the Microwave Radar-Based Imaging Toolbox open source software. Detection of tumor tissue inside breast phantom has been identified by analyzing the modified antipodal Vivaldi antennas' backscattered signal.",
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AU - Islam, Mohammad Tariqul

AU - Islam, Md T.

AU - Shovon, Abdullah A.S.

AU - Faruque, Mohammad Rashed Iqbal

AU - Misran, Norbahiah

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N2 - In this article, an improved method is introduced for enhancing the gain and directivity of a modified antipodal Vivaldi antenna, which is suitable for detecting malignant cells in the breast through microwave imaging. By slotting on the fins of the antenna with the addition of parasitic elliptical patch makes the antenna radiation more directive with more gain at the lower band range. The operating fractional bandwidth of this proposed Vivaldi antenna is 120% (2.50-11 GHz) with compact dimension and directive radiation pattern with 7.20 dBi highest gain. The antenna time-domain performance and the near-field directivity (NFD) are also observed. Effective microwave breast phantom imaging system with an array of 16 antipodal antennas is designed where one antenna works as a transmitter and rest of the antenna works as a receiver in turn. The imaging performance is investigated with tumor inside the breast phantom using the Microwave Radar-Based Imaging Toolbox open source software. Detection of tumor tissue inside breast phantom has been identified by analyzing the modified antipodal Vivaldi antennas' backscattered signal.

AB - In this article, an improved method is introduced for enhancing the gain and directivity of a modified antipodal Vivaldi antenna, which is suitable for detecting malignant cells in the breast through microwave imaging. By slotting on the fins of the antenna with the addition of parasitic elliptical patch makes the antenna radiation more directive with more gain at the lower band range. The operating fractional bandwidth of this proposed Vivaldi antenna is 120% (2.50-11 GHz) with compact dimension and directive radiation pattern with 7.20 dBi highest gain. The antenna time-domain performance and the near-field directivity (NFD) are also observed. Effective microwave breast phantom imaging system with an array of 16 antipodal antennas is designed where one antenna works as a transmitter and rest of the antenna works as a receiver in turn. The imaging performance is investigated with tumor inside the breast phantom using the Microwave Radar-Based Imaging Toolbox open source software. Detection of tumor tissue inside breast phantom has been identified by analyzing the modified antipodal Vivaldi antennas' backscattered signal.

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