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April 1, 2026Investigative Magnetic Resonance ImagingOpen Access

Comparative Analysis of Multiple Combined Structure Transmit Arrays for 10.5 Tesla Human Brain Imaging

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Authors

YPYoung D. ParkJKJun Moo KwakMWMyung Kyun Woo

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Overview

Evaluates multiple combined antenna configurations to enhance magnetic field efficiency and coverage in human brain imaging, suggesting design improvements.

Key Points

  • To enhance B1 + efficiency and spatial coverage for 10.5 Tesla human brain imaging using various antenna configurations.
  • Conducted finite-difference time-domain simulations using a detailed human head model.
  • Assessed circularly polarized B1 + fields from multiple antenna arrays including 8-channel loop and hybrid designs.
  • Extended designs to 16-channel arrays and interleaved configurations for improved coverage.
  • The 8-channel MDH array had the highest central B1 + efficiency, improving by 38.5% over loop arrays and 33.3% over dipole arrays.
  • 16-channel loop + dipole and loop + MDH arrays improved efficiency by up to 28.9% compared to 8-channel models.
  • Interleaved arrays provided better peripheral excitation and coverage, with the T-shaped monopole + MDH configuration achieving high central efficiency.

Cite This Study

Park et al. (2026) studied this question.

synapsesocial.com/papers/69cd7a095652765b073a6de5https://doi.org/10.13104/imri.2025.0060
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