Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
506-01-004 ISMRM Abstract

Improved B-Field Homogeneity in Finite-Length Sparse Halbach Arrays for Low Field MRI

Primary: Physics & Engineering - Low-Field MRI
Secondary: Physics & Engineering - Magnets (B0)
506-01-004 · Low Field MRI Hardware · Wednesday, 13 May, 8:20 AM–10:10 AM · Auditorium 2
Keywords: Low-Field MRI Homogeneity Halbach Permanent Magnets Array
Accepted
David R Roth 1,2, Tom Leadbeater1,2, Stephen Jermy3,4,5, Ernesta Meintjes3,4,5
1Department of Physics, University of Cape Town, Cape Town, South Africa
2MeASURe, University of Cape Town, Cape Town, South Africa
3Human Biology, University of Cape Town, Cape Town, South Africa
4Neuroscience Institute, University of Cape Town, Cape Town, South Africa
5CUBIC, University of Cape Town, Cape Town, South Africa
Presenting Author: David R Roth

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References

1. E. Anoardo and G. G. Rodriguez, 'New Challenges and opportunities for low-field MRI', Journal of Magnetic Resonance Open 14-15, 100086 (2023) doi:10.1016/j.jmro.2022.100086 [doi]
2. K. Turek and P. Liszkowski, 'Magnetic field homogeneity perturbations in Finite Halbach Magnets', Journal of Magnetic Resonance 238, 52-62 (2014), doi:10.1016/j.jmr.2013.10.026 [doi]
3. T. O'Reilly, W. Teeuwisse and A. Webb, 'Three-dimensional MRI in a homogeneous 27 cm diameter bore Halbach array magnet', Journal of Magnetic Resonance 307, 106578 (2019), doi:10.1016/j.jmr.2019.106578 [doi]
4. C.Z. Cooley et al., 'Design of Sparse Halbach arrays for portable MRI using a genetic algorithm', IEEE Transactions on Magnetics 54, 1-12 (2018), doi:10.1109/TMAG.2017.2751001 [doi]
5. S. Tewari, T. O'Reilly and A. Webb, 'Improving the Field homogeneity of fixed- and variable-diameter discrete Halbach magnet arrays for MRI via optimization of the angular magnetization distribution', Journal of Magnetic Resonance 324, 106923 (2021), doi:10.1016/j.jmr.2021.106923 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/506-01-004