8 papers
A Wireless Volumetric Metamaterial Resonator for Breast MRI
Yuhan Liu, Xia Zhu, Christina A. LeBedis +2
High-performance breast magnetic resonance imaging (MRI) remains limited by the availability, geometry, and cost of dedicated receive coils. In contrast, spine coils are widely ins…
A Wireless Reconfigurable Metasurface for Enhanced Parallel Magnetic Resonance Imaging
Yuhan Liu, Xia Zhu, Ke Wu +4
Modern magnetic resonance imaging (MRI) relies on application-specific multi-channel receive coils to achieve high performance, but these coils are typically costly, rigid, and dif…
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.…
A robust near-field body area network based on coaxially-shielded textile metamaterial
Xia Zhu, Ke Wu, Xiaohang Xie +2
A body area network (BAN) involving wearable sensors populated around the human body can continuously monitor physiological signals, finding applications in personal healthcare and…
Phased Gradient Ultra Open Metamaterials for Broadband Acoustic Silencing
Zhiwei Yang, Ao Chen, Xiaohang Xie +2
Noise pollution is a persistent environmental concern with severe implications for human health and resources. Acoustic metamaterials offer the potential for ultrathin silencing de…
Wireless, Customizable Coaxially-shielded Coils for Magnetic Resonance Imaging
Ke Wu, Xia Zhu, Stephan W. Anderson +1
Anatomy-specific RF receive coil arrays routinely adopted in magnetic resonance imaging (MRI) for signal acquisition, are commonly burdened by their bulky, fixed, and rigid configu…
Wearable Coaxially-shielded Metamaterial for Magnetic Resonance Imaging
Xia Zhu, Ke Wu, Stephan W. Anderson +1
Recent advancements in metamaterials have yielded the possibility of a wireless solution to improve signal-to-noise ratio (SNR) in magnetic resonance imaging (MRI). Unlike traditio…
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…