Multi-resonant T/R antenna for MR image generation
Abstract:
A dual- or multi-resonant RF/MR transmit and/or receive antenna (1, 2) especially in the form of a planar antenna or a volume array antenna (also called antenna array) is used for MR image generation of at least two different nuclei like e.g. 1H, 19F, 3He, 13C, 23Na or other nuclei having different Larmor frequencies. The antenna is coupled by an inductive coupling device (LI) with related transmit/receive channels (T/R). By such an inductive coupling, the tuning and matching of the antenna at the different resonant frequencies is easier than in case of a galvanic connection. The dual- or multi-resonant RF/MR transmit and/or receive antenna is used in an MR imaging apparatus.
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