Title :
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
fDate :
7/2/1905 12:00:00 AM
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;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2010.2045871
