Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
568-02-004 ISMRM Abstract

Evaluation of gradient amplitude-response linearity up to 200 mT/m

Primary: Physics & Engineering - Gradients
Secondary: Physics & Engineering - RF Pulse Design & Fields
568-02-004 · System Imperfections and Field Monitoring · Wednesday, 13 May, 9:15 AM–10:10 AM · Digital Posters Row I
Keywords: Gradient non-linearity Gradient impulse response function Gradient response linarity
Accepted
Simon Thalén 1,2,3, Michael Loecher1, Daniel B Ennis1,2,4,5
1Department of Radiology, Stanford University, Stanford, United States of America
2Cardiovascular Institute, Stanford University, Stanford, United States of America
3Department of Clinical Physiology, Karolinska Institutet and University Hospital, Stockholm, Sweden
4Stanford University, Stanford, United States of America
5Division of Radiology, Veterans Administration Health Care System, Palo Alto, United States of America
Presenting Author: Simon Thalén

Synopsis

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References

1. Vannesjo SJ, Graedel NN, Kasper L, et al. Image reconstruction using a gradient impulse response model for trajectory prediction. Magn Reson Med. 2016;76(1):45-58. doi:10.1002/mrm.25841 [doi]
2. Scholten H, Lohr D, Wech T, Köstler H. Fast measurement of the gradient system transfer function at 7 T. Magn Reson Med. 2023;89(4):1644-1659. doi:10.1002/mrm.29523 [doi]
3. Loecher M, Ennis DB. Phase contrast MRI with minimized background phase errors. Magn Reson Med. 2025;93(3):1104-1116. doi:10.1002/mrm.30336 [doi]
4. Vannesjo SJ, Haeberlin M, Kasper L, et al. Gradient system characterization by impulse response measurements with a dynamic field camera. Magn Reson Med. 2013;69(2):583-593. doi:10.1002/mrm.24263 [doi]
5. Layton KJ, Kroboth S, Jia F, et al. Pulseq: A rapid and hardware-independent pulse sequence prototyping framework. Magn Reson Med. 2017;77(4):1544-1552. doi:10.1002/mrm.26235 [doi]
6. Nussbaum J, Dietrich BE, Wilm BJ, Pruessmann KP. Thermal variation in gradient response: measurement and modeling. Magn Reson Med. 2022;87(5):2224-2238. doi:10.1002/mrm.29123 [doi]
7. van Gorkum RJH, Guenthner C, Koethe A, Stoeck CT, Kozerke S. Characterization and correction of diffusion gradient‐induced eddy currents in second‐order motion‐compensated echo‐planar and spiral cardiac DTI. Magn Reson Med. 2022;88(6):2378-2394. doi:10.1002/mrm.29378 [doi]
8. Jolicoeur B, Alexander A, Kecskemeti S, Johnson K. Evaluating and Predicting Non-linear Acoustics Using Multi-Axis Gradient Variations and Convolutional Neural Networks. In: 3803. doi:10.58530/2025/3803 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/568-02-004