RF Arrays and Applications
Digital Poster
Physics & Engineering
Tuesday, 12 May 2026
This session highlights recent advances in RF arrays and their applications.
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467-06-001.
Simulation of an Improved Microstrip Element Using Meanders at 7 Tesla MRI
Impact: The proposed antenna design
enhances safety and imaging quality in 7T MRI by reducing E-field exposure and
improving B1+ efficiency. This proposed concept supports
more effective RF coil antenna designs for ultra-high-field applications.
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467-06-002.
An Improved 7T Neurovascular Head and Neck Coil: Enhanced Transmit Efficiency and Ergonomic Design for wider patient access
Impact: Initial evaluations suggest that the redesigned NVHN
coil improves patient comfort, positioning adaptability, and transmit
efficiency, potentially enhancing the clinical and research application of 7T
MRI for high-resolution combined brain and spine imaging across a wider patient
population.
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467-06-003.
In pursuit of a 64-Channel Flexible, Mechanically Conformal RF Receive Array for Brain MRI at 10.5T
Impact: High channel count
receive arrays are key to realizing the neuroimaging potential of beyond 10T
MRI scanners. High-impedance flexible loops enable tight, conformal,
high channel configurations with robust SNR while eliminating the need for
fixed loop overlap and preamplifier decoupling.
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467-06-004.
Enhancing Upper Brain B1+ and SAR Efficiency in a 7T Head/Neck RF Coil Using Grounded Copper Rods Terminated by End-Cap
Impact: The proposed passive design reduces the peak SAR by 20% and improves SAR efficiency by 37% in the overall volume of the brain
and C-spine.
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467-06-005.
Chain-shaped Dipole Antenna for Enhanced Decoupling and Arrangement Flexibility at 11.74T MRI
Impact: Supports center‑to‑center spacing of 0.59× element width,
increasing element density along the xy‑axis. Permits non‑overlapping placement
along the z‑axis. Compatible with loop coils with or without overlapping.
Overall, it enables denser and more versatile array configurations.
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467-06-006.
Novel Transmit/Receive 7T Array Coil for an Ultra-High Performance Gradient Coil
Impact: Alternative RF coil designs providing good performance facilitate the optimization of acquisition protocols and broaden the impact of ultra-high performance MR imaging systems. Reducing eddy current induced heating while preserving anatomical coverage and sensitivity, this design meets the goal.
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467-06-007.
Mask-like Near-Field Coupling Array for Dental MRI
Impact: A mask-like near-field coupling array for 5 T dental MRI is comfortable and safe, significantly improving near-tooth SNR and soft-tissue delineation; it demonstrates feasibility for periodontal assessment and will drive broader clinical validation.
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467-06-008.
Angular-tuned Decoupling of Butterfly Coils for Hybrid Array Integration
Impact: This angular-tuned method increases geometric
tolerance and facilitates butterfly–loop coil integration for compact,
high-field MRI arrays.
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467-06-009.
A Scalable Copper-Enhanced Dipole Array Design for 7T Head and Body Imaging
Impact: Field inhomogeneity at 7T is a
major barrier for clinical head and body MRI. We propose a scalable passive
hardware concept that boosts B1+ efficiency in dipole arrays, offering a
practical path toward improved body and neuro imaging.
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467-06-010.
Preliminary validation of a dipole array and 48-channel B₀ shim for NHP brain imaging at 11.7T
Impact: This system architecture demonstrates feasibility for ultra-high filed non-human primate studies at 11.7T, with full integration (including 24-loop receive array) underway.
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467-06-011.
Parallel transmission pulse-informed optimization of a shielded 16-channel RF transmit array for human brain MRI at 10.5 T
Impact: This
work demonstrates an efficient workflow integrating EM co-simulation and pTx
pulse design for optimizing shielded RF arrays at 10.5T, enabling fast and
robust evaluation of array–shield configurations with broad applicability to RF
engineering in ultrahigh-field MRI.
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467-06-012.
Performance of Multichannel Wireless versus Wired Coil Array for Prostate MRI
Impact: Phantom and in vivo measurements show a practically identical sensitivity profile and SNR for 4-channel wired coil array and 4-channel wireless coil array. These results highlight the potential for wireless reception with inductively coupled receiver coil arrays.
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467-06-013.
A Conformal Birdcage ¹H/²³Na Coil with Enhanced B₁ Field for 7T Sodium Brain Imaging
Impact: This study presents an conformal
birdcage ¹H/²³Na coil that enables high-SNR and uniform ²³Na brain
imaging at 7 T. The proposed design provides a robust hardware foundation for
advancing quantitative sodium MRI and promoting its clinical translation.
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467-06-014.
Practical Guidance for Optimizing MRI Loop Receive Coils: Experimental Insights into Q-Ratio Optimization
Impact: This
work provides practical guidance for optimizing high-performance receive array
coils, through a comprehensive Q-ratio characterization at different field
strengths. These insights enable improved SNR by identifying strategies for
targeted coil loss reduction.
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467-06-015.
Impact of Coil Overlap on Parallel Imaging Performance of Flexible Printed Arrays at 0.55 T
Impact: Flexible coils exhibit lower SNR due to higher resistance, further reduced at lower field such as 0.55 T. Minimizing coil overlap lowers g-factors and the associated SNR loss, offering a simple geometric approach to enhance performance of low-cost flexible arrays.
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