title: Dual-Band Miniaturized Patch Antennas for Microwave Breast Imaging.
abstract: We present a miniaturized, dual-band patch antenna array element that is designed for use in a 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 non-radiating 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.
authors.affiliation: Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706 USA.
authors.forename: Mudar A
authors.initials: MA
authors.lastname: Al-Joumayly
authors.forename: Suzette M
authors.initials: SM
authors.lastname: Aguilar
authors.forename: Nader
authors.initials: N
authors.lastname: Behdad
authors.forename: Susan C
authors.initials: SC
authors.lastname: Hagness