Abstract
The advantages of using the microwave region of the electromagnetic spectrum as a means of analyzing biosystems depend on two contradictory requirements: adequate spatial resolution and manageable propagation loss. Shorter wavelengths improve spatial resolution, but at the cost of increased propagation loss. The use of a suitable coupling medium contracts the wavelength, thereby improving the spatial resolution and providing lesser attenuation. The use of corn syrup as a coupling medium in microwave breast imaging is discussed in this paper. The propagation loss of the medium and the radiation characteristics of the antenna in the medium are studied. Two-dimensional microwave tomographic imaging of a breast-tissue sample immersed in corn syrup is done and improved resolution of the reconstructed image is reported. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 443–446, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21195
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