An MR-compatible antenna and application in a murine superficial hyperthermia applicator
2018
AbstractIn this work, a novel magnetic resonance (MR)-compatible microwave antenna was designed and validated in a small animal superficial hyperthermia applicator. The antenna operates at 2.45 GHz and matching is made robust against production and setup inaccuracies. To validate our theoretical concept, a prototype of the applicator was manufactured and tested for its properties concerning input reflection, sensitivity for setup inaccuracies, environment temperature stability and MR-compatibility. The experiments show that the applicator indeed fulfills the requirements for MR-guided hyperthermia investigation in small animals: it creates a small heating focus (< 1 cm3), has a stable and reliable performance (S11 < -15 dB) for all working conditions and is MR-compatible.
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