Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
451-01-011 / 451-01-011 ISMRM Abstract

A Novel Flexible Leaky-Wave Antenna Design for Uniform and Efficient RF Transmission in Ultra-High-Field MRI

Primary: Physics & Engineering - Non-Array RF Coils, Antennas & Waveguides
Secondary: Physics & Engineering - High-Field MRI
451-01-011 · Parallel Transmission at High Fields · Tuesday, 12 May, 8:20 AM–9:56 AM · Power Pitch Theatre 1
451-01-011 · Parallel Transmission at High Fields · Tuesday, 12 May, 8:20 AM–9:56 AM · Power Pitch Theatre 1
Keywords: SAR Ultra-high field Radiofrequency Coils Leaky-Wave Antenna High-Permittivity Pad
Accepted
Haiwei Chen 1, Jia Liu2, Shufeng Zhou2, Yi Wang2, Keyi Tang2, Yang Gao1,3, Richard Bowtell1, Chunyi Liu2
1Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, Nottingham, United Kingdom
2Medical School, Nanjing University, Najing, China
3Hangzhou Institute of Technology, Xidian University, Guangzhou, China
Presenting Author: Haiwei Chen

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References

1. Raaijmakers, A. J. E., Italiaander, M., Voogt, I. J., Luijten, P. R., Hoogduin, J. M., Klomp, D. W. J., & van den Berg, C. A. T. (2016). The fractionated dipole antenna: A new antenna for body imaging at 7 Tesla. Magnetic Resonance in Medicine, 75(3), 1366–1374. https://doi.org/10.1002/mrm.25596 [doi]
2. Solomakha, G., Svejda, J. T., van Leeuwen, C., Rennings, A., Raaijmakers, A. J., Glybovski, S., & Erni, D. (2021). A self-matched leaky-wave antenna for ultrahigh-field magnetic resonance imaging with low specific absorption rate. Nature Communications, 12(1), 1–11. https://doi.org/10.1038/s41467-020-20708-w [doi]
3. Nguyen, H. v., Parsa, A., & Caloz, C. (2010). Power-recycling feedback system for maximization of leaky-wave antennas’ radiation efficiency. IEEE Transactions on Microwave Theory and Techniques, 58(7 PART 1), 1641–1650. https://doi.org/10.1109/TMTT.2010.2049690 [doi]
4. Li, M., Tang, K., Zhou, S., Zuo, Z., Zhu, H., Shan, S., & Liu, C. (2024). A high permittivity and conformable gel pad fabricated by the PVA freeze-thaw method for dielectric shimming in ultra-high-field MRI. 2024 ISMRM & ISMRT Annual Meeting. https://doi.org/10.58530/2024/0472 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/451-01-011