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Accueil › Scientific publications › Imaging of Two Samples with A Single Transmit/Receive Channel using Coupled Ceramic Resonators for MR Microscopy at 17.2 T

Imaging of Two Samples with A Single Transmit/Receive Channel using Coupled Ceramic Resonators for MR Microscopy at 17.2 T

septembre 8, 2020

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.

DOI: 10.1002/nbm.4397

Abstract
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

septembre 8, 2020

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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 736937