Journal
INTERNATIONAL JOURNAL OF HYPERTHERMIA
Volume 34, Issue 6, Pages 697-703Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02656736.2017.1369172
Keywords
Hyperthermia antenna; MR-compatibility; microwave applicator; small animal heating systems
Funding
- KWF Kankerbestrijding (Dutch Cancer Society) [EMCR-2012-5472]
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In 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 2.45GHz 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 fulfils the requirements for MR-guided hyperthermia investigation in small animals: it creates a small heating focus (<1cm(3)), has a stable and reliable performance (S-11<-15dB) for all working conditions and is MR-compatible.
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