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Topologically optimized magnetic lens for magnetic resonance applications

Wadhwa, Sagar; Jouda, Mazin; Deng, Yongbo; Nassar, Omar; Mager, Dario ORCID iD icon; Korvink, Jan G.


Improvements to the signal-to-noise ratio of magnetic resonance detection lead to a strong reduction
in measurement time, yet as a sole optimization goal for resonator design, it would be an oversimplification of
the problem at hand. Multiple constraints, for example for field homogeneity and sample shape, suggest the use
of numerical optimization to obtain resonator designs that deliver the intended improvement. Here we consider
the 2D Lenz lens to be a sufficiently broadband flux transforming interposer between the sample and a radiofrequency
(RF) circuit and to be a flexible and easily manufacturable device family with which to mediate different
design requirements.We report on a method to apply topology optimization to determine the optimal layout of a
Lenz lens and demonstrate realizations for both low- (45 MHz) and high-frequency (500 MHz) nuclear magnetic

Zugehörige Institution(en) am KIT Institut für Mikrostrukturtechnik (IMT)
Publikationstyp Forschungsdaten
Publikationsdatum 06.10.2020
Erstellungsdatum 03.02.2020 - 06.10.2020
Identifikator DOI (KIT): 10.5445/IR/1000124281
KITopen-ID: 1000124281
HGF-Programm 43.70.01 (POF III, LK 01) VirtMat
Lizenz Creative Commons Namensnennung – Nicht kommerziell 4.0 International
Externe Relationen Abstract/Volltext

Data sets used for plotting graphs in the figures and AutoCAD files for the designs of "Topologically optimized magnetic lens for magnetic resonance applications"

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