Dual-Band Miniaturized Patch Antennas for Microwave Breast Imaging

Author

Al-Joumayly, Mudar A. ; Aguilar, Suzette M. ; Behdad, Nader ; Hagness, Susan C.

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of Wisconsin-Madison, Madison, WI, USA

Volume

9

fYear

2010

fDate

7/2/1905 12:00:00 AM

Firstpage

268

Lastpage

271

Abstract

We present a miniaturized, dual-band patch antenna array element that is designed for use in a three-dimensional (3-D) microwave tomography system for breast imaging. Dual-band operation is achieved by manipulating the fundamental resonant mode of the patch antenna and one of its higher order modes. Miniaturization and tuning of the resonant frequencies are achieved by loading the antenna with nonradiating slots at strategic locations along the patch. This results in a compact, dual-band antenna with symmetric radiation patterns and similar radiation characteristics at both bands of operation. The performance of the antenna in a biocompatible immersion medium is verified experimentally.

Keywords

antenna radiation patterns; biomedical imaging; computerised tomography; microstrip antenna arrays; microwave imaging; multifrequency antennas; 3D microwave tomography system; biocompatible immersion medium; dual-band antenna; dual-band miniaturized patch antennas; dual-band patch antenna array element; fundamental resonant mode; microwave breast imaging; nonradiating slots; radiation characteristics; resonant frequency; symmetric radiation patterns; Breast cancer detection; microstrip antennas; microwave imaging; multifrequency antennas;

fLanguage

English

Journal_Title

Antennas and Wireless Propagation Letters, IEEE

Publisher

ieee

ISSN

1536-1225

Type

jour

DOI

10.1109/LAWP.2010.2045871

Filename

5433057