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Frequency optimization of focused microwave hyperthermia applicators

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3 Author(s)
Hao Ling ; University of Illinois, Urbana, IL, USA ; Shung-Wu Lee ; Gee, Walter

We study the design optimization of focused microwave hyperthermia applicators. For a fixed aperture size and a given penetration depth, an optimal frequency is determined by considering the tradeoff between heat localization and medium loss. At this optimal frequency, the deficiencies of conventional applicators; namely, large spillover, shallow penetration, and excessive surface heating, can be significantly compensated by focused applicators.

Published in:

Proceedings of the IEEE  (Volume:72 ,  Issue: 2 )