Performance analysis of a 3D unidirectional antenna opted for biomedical microwave imaging

Md Amanath Ullah, Touhidul Alam, Mohammad Tariqul Islam

Research output: Contribution to journalArticle

Abstract

In this paper, a reflector type unidirectional 3D antenna for biomedical microwave imaging has been presented. A reflector wall perpendicular to the ground plane has been introduced to achieve higher gain and directive radiation pattern. Bending technique is utilized to reduce the overall antenna size and to get resonance at a lower frequency. The proposed antenna obtained measured operating band at 2.37 GHz to 3.70 GHz. The dimension of the 3D radiating structure is 30 × 10 × 17 mm3. The antenna has a peak realized gain of 4.52 dB. Unidirectional radiation pattern and gain within lower microwave frequency, make the proposed antenna a potential candidate to be used in microwave imaging for biomedical diagnosis. The design and simulation process are performed in the CST Microwave Studio software. The antenna is fabricated from 0.2 mm thick copper sheets. PNA Network Analyzer (N5227A) and Satimo Nearfield Measurement system has been used to measure the performance of the fabricated prototype.

Original languageEnglish
Pages (from-to)2849-2853
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume60
Issue number11
DOIs
Publication statusPublished - 1 Nov 2018

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antennas
Microwaves
Antennas
Imaging techniques
microwaves
reflectors
low frequencies
Electric network analyzers
Microwave frequencies
Studios
radiation
microwave frequencies
high gain
Copper
analyzers
prototypes
computer programs
copper
simulation

Keywords

  • 3D antenna
  • antenna
  • microwave imaging
  • reflector

ASJC Scopus subject areas

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

Cite this

Performance analysis of a 3D unidirectional antenna opted for biomedical microwave imaging. / Ullah, Md Amanath; Alam, Touhidul; Islam, Mohammad Tariqul.

In: Microwave and Optical Technology Letters, Vol. 60, No. 11, 01.11.2018, p. 2849-2853.

Research output: Contribution to journalArticle

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