Enhancement of Penetration of Millimeter Waves by Field Focusing Applied to Breast Cancer Detection.

Iliopoulos, Ioannis; Meo, Simona Di; Pasian, Marco; Zhadobov, Maxim; Pouliguen, Philippe; Potier, Patrick; Perregrini, Luca; Sauleau, Ronan et al. · IEEE Trans Biomed Eng · 2021

basic_science · Level V

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Abstract

OBJECTIVE: The potentialities of improving the penetration of millimeter waves for breast cancer imaging are here explored. METHODS: A field focusing technique based on a convex optimization method is proposed, capable of increasing the field level inside a breast-emulating stratification. RESULTS: The theoretical results are numerically validated via the design and simulation of two circularly polarized antennas. The experimental validation of the designed antennas, using tissue-mimicking phantoms, is provided, being in good agreement with the theoretical predictions. CONCLUSION: The possibility of focusing, within a lossy medium, the electromagnetic power at millimeter-wave frequencies is demonstrated. SIGNIFICANCE: Field focusing can be a key for using millimeter waves for breast cancer detection.

Medical subject headings