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Research Article |

An Investigation on the Effectiveness of a Novel Bowtie Antenna for Biomedical Applications

Author(s): Tushar1*, Nandita Pradhan2, Sweta Singh3

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 14, Issue 1

Publisher : FOREX Publication

Published : 15 June 2026

e-ISSN : 2347-470X

Page(s) : 254-262

DOI: https://doi.org/10.37391/IJEER.140201

Abstract

Microwave breast imaging uses longer-wavelength, low-power waves to deliver comprehensive breast tissue information for safer and more accurate breast cancer diagnosis. This is an alternative to other more traditional approaches such as ultrasound, Positron Emission Tomography (PET) and X-ray mammography. This paper aims at discussing performance summary of bowtie antenna with slits loaded to detect breast cancer. The antenna that can be found in the present paper has a frequency band of operation of 4 GHz to 6 GHz and consists of a triangular patch fed by a rectangular feed line. The FR4 substrate with dielectric constant is 4.3 is exploited to make phantom models with and without a tumor and antenna models with or without slits. These designs are simulated and their effectiveness evaluated using CST software. According to the simulation results, the suggested bowtie antenna design is suitable for fabrication because it produces SAR values of 0.826 and 0.792 for phantoms with and without tumors, respectively, along with directivity values of 7.18 and 7.24. Slits in the antenna structure have been shown to be useful in modifying the resonant frequency, allowing the antenna to satisfy the specifications needed for medical imaging applications.

Keywords: Breast Cancer Detection, Microwave Breast Imaging, Phantom, Electric Field Distribution, Magnetic Field Distribution, Specific absorption rate (SAR), Non-invasive.




Tushar, Department of Electronics and Communication, United University, Prayagraj, India; Email: tushardkd@gmail.com

Nandita Pradhan, Department of Electronics and Communication, United College of Engineering and Research, Prayagraj, India; Email: nanditapradhan@united.ac.in

Sweta Singh, Department of Electronics and Communication, United University, Prayagraj, India; Email: sweta@uniteduniversity.edu.in

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Tushar, Nandita Pradhan and Sweta Singh (2026), An Investigation on the Effectiveness of a Novel Bowtie Antenna for Biomedical Applications. IJEER 14(1), 254-262. DOI: 10.37391/IJEER.140201.