M.A.C. Moussu et al, Imaging of Two Samples with A Single Transmit/Receive Channel using Coupled Ceramic Resonators for MR Microscopy at 17.2T in NMR in Biomedicine.
In this paper we address the possibility to perform imaging of two samples within the same acquisition time using coupled ceramic resonators and one transmit/receive channel. We theoretically and experimentally compare the operation of our ceramic dual-resonator probe with a wire-wound solenoid probe which is the standard probe used in ultra high-field Magnetic Resonance Microscopy (MRM). We show that due to the low-loss ceramics used to fabricate the resonators, and a favourable distribution of the electric field within the conducting sample, a dual probe, which contains two samples, achieves an SNR enhancement by a factor close to the square root of two
compared to a solenoid optimized for one sample.
Keywords : Magnetic Resonance Microscopy, Dielectric Resonators, Electromagnetic Coupling, Solenoid, Signal-to-Noise Ratio
Partners : ITMO, AMU (Institut Fresnel & CRMBM), CEA Neurospin, UCL, Leiden University