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A comparison of Lenz lenses and LC resonators for NMR signal enhancement

Jouda, Mazin; Kamberger, Robert; Leupold, Jochen; Spengler, Nils; Hennig, Jürgen; Gruschke, Oliver; Korvink, Jan G.

High signal-to-noise ratio (SNR) of the NMR signal has always been a key target that drives massive research effort in many fields. Among several parameters, a high filling factor of the MR coil has proven to boost the SNR. In case of small-volume samples, a high filling factor and thus a high SNR can be achieved through miniaturizing the MR coil. However, under certain circumstances, this can be impractical. In this paper, we present an extensive theoretical and experimental investigation of the inductively coupled LC resonator and the magnetic Lenz lens as two candidate approaches that can enhance the SNR in such circumstances. The results demonstrate that the narrow-band LC resonator is superior in terms of SNR, while the non-tuned nature of the Lenz lens makes it preferable in broadband applications.

Zugehörige Institution(en) am KIT Institut für Mikrostrukturtechnik (IMT)
Publikationstyp Zeitschriftenaufsatz
Jahr 2017
Sprache Englisch
Identifikator ISSN: 1099-0534, 1552-5031, 1552-504X
KITopen ID: 1000077345
HGF-Programm 43.22.01; LK 01
Erschienen in Concepts in magnetic resonance / B
Band 47B
Heft 3
Seiten Art.Nr. e21357
Vorab online veröffentlicht am 21.11.2017
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