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physics.med-ph2026
Circularly polarized metamaterial cage for homogeneous signal-to-noise ratio enhancement in magnetic resonance imaging
Yuhan Liu, Xia Zhu, Ke Wu +2
The signal-to-noise ratio (SNR) in magnetic resonance imaging (MRI) governs the quality of signal detection and directly impacts the clarity and reliability of the acquired images.…
physics.med-ph2023
Computational-design Enabled Wearable and Tunable Metamaterials via Freeform Auxetics for Magnetic Resonance Imaging
Ke Wu, Xia Zhu, Thomas G. Bifano +2
Metamaterials hold significant promise for enhancing the imaging capabilities of MRI machines as an additive technology, due to their unique ability to enhance local magnetic field…
physics.med-ph2021
Auxetics-Inspired Tunable Metamaterials for Magnetic Resonance Imaging
Ke Wu, Xiaoguang Zhao, Stephan W. Anderson +1
Auxetics refers to structures or materials with a negative Poisson's ratio, thereby capable of exhibiting counter-intuitive behaviors. Herein, auxetic structures are exploited to d…