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Updated: May 29, 2026
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Clinical Imaging of Microwave Mammography
Published on: November 14, 2025
Dual-Band Miniaturized Patch Antennas for Microwave Breast Imaging
Mudar A Al-Joumayly1, Suzette M Aguilar, Nader Behdad
1Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706 USA.
IEEE Antennas and Wireless Propagation Letters
|August 26, 2011
Summary
Researchers developed a compact, dual-band antenna for 3-D microwave breast imaging. This miniaturized patch antenna utilizes slot loading for dual-band operation, enhancing diagnostic capabilities.
Area of Science:
- Biomedical Engineering
- Electromagnetics and Microwave Engineering
Background:
- 3-D microwave tomography offers a promising non-ionizing imaging modality for breast cancer detection.
- Existing antenna designs often face challenges with miniaturization, dual-band operation, and consistent performance in biological tissues.
Purpose of the Study:
- To design and validate a miniaturized, dual-band patch antenna array element for enhanced 3-D microwave tomography breast imaging.
Main Methods:
- The antenna design manipulates fundamental and higher-order resonant modes for dual-band functionality.
- Non-radiating slots were strategically loaded onto the patch antenna for miniaturization and frequency tuning.
- Experimental verification was conducted using a biocompatible immersion medium to assess performance.
Main Results:
- A compact, dual-band patch antenna element was successfully developed.
- The antenna exhibits symmetric radiation patterns and consistent characteristics across both operating bands.
- The antenna's performance was validated in a simulated biological environment.
Conclusions:
- The developed miniaturized, dual-band antenna is suitable for 3-D microwave tomography breast imaging systems.
- The slot-loading technique effectively achieves miniaturization and dual-band operation.
- The antenna's performance characteristics are promising for clinical translation.
