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Conference Paper

Effect of electrode geometry on the lead electromagnetic model and RF-induced heating

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Kozlov,  Mikhail
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Citation

Kozlov, M., & Kainz, W. (2019). Effect of electrode geometry on the lead electromagnetic model and RF-induced heating. In 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (pp. 899-900). doi:10.1109/APUSNCURSINRSM.2018.8609396.


Cite as: https://hdl.handle.net/21.11116/0000-0002-C9A9-D
Abstract
In this case study we investigate the dependence of the RF-induced power deposition (P) and the temperature rise (ΔT p ) in gel at lead electrode on the electrode geometry for helix and straight leads at 128 MHz. The results indicate that shortening the electrode length from 10 mm to 3 mm resulted in up to fourfold increase of Δ T p .