Calibration Schemes for Probes for Breast Tissues Dielectric Properties Characterization

Fernandez-Aranzamendi E.; Condori Huayna M.A.; Castillo-Araníbar P.; San Roman Castillo E.G.; González-Posadas V.; Segovia-Vargas D. · 17th European Conference on Antennas and Propagation, EuCAP 2023 (2023) · DOI: 10.23919/eucap57121.2023.10133073

Resumen

Currently, medical technology has great interest in the development of solutions based on using radiofrequency and electromagnetics techniques. This technology is non-invasive, low-cost and portable. How-ever, the main bottleneck is associated to the correct dielectric characterization of biological tissues. Their variability depending on either the applied pressure, temperature or position makes a difficult task to have a correct estimation of those electrical properties. A study of the effects of the pressure is presented in this paper. The method used was based on the open circuit coaxial probe under a pressure variation from 0 up to 69.71 kPa in a frequency range of 1-8 GHz is shown. The results showed a pressure range under which tissues do not suffer important alteration providing reliable results in the tissue electrical characterization.

Instituciones: Universidad Católica San Pablo