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Very low field magnetic resonance imaging with spintronic sensors

Quentin Herreros 1 Hadrien Dyvorne 2, 1 Paolo Campiglio 1 Amala Demonti 1 Guenaelle Jasmin-Lebras 1 Myriam Pannetier-Lecoeur 1 Claude Fermon 1 
1 LNO - Laboratoire Nano-Magnétisme et Oxydes
SPEC - UMR3680 - Service de physique de l'état condensé, IRAMIS - Institut Rayonnement Matière de Saclay
Abstract : A very low field magnetic resonance imaging (MRI) setup based on magnetoresistive-superconducting mixed sensors is presented. A flux transformer is used to achieve coupling between the sample to image and the mixed sensor. The novel detector was implemented in a spin echo MRI experiment, exposing the mixed sensor to RF pulses without use of any RF switch. The performance of the novel detector is given in terms of signal-to-noise ratio and is compared with classical tuned coils.
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Submitted on : Friday, November 20, 2015 - 3:17:17 PM
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Quentin Herreros, Hadrien Dyvorne, Paolo Campiglio, Amala Demonti, Guenaelle Jasmin-Lebras, et al.. Very low field magnetic resonance imaging with spintronic sensors. Review of Scientific Instruments, American Institute of Physics, 2013, ⟨10.1063/1.4821657⟩. ⟨cea-01231696⟩



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