Flexible and compact hybrid metasurfaces for enhanced ultra high field in vivo magnetic resonance imaging

Rita Schmidt, Alexey Slobozhanyuk, Pavel Belov, Andrew Webb

Research output: Contribution to journalArticlepeer-review

Abstract

Developments in metamaterials and related structures such as metasurfaces have opened up new possibilities in designing materials and devices with unique properties. Here we report a new hybrid metasurface structure, comprising a two-dimensional metamaterial surface and a very high permittivity dielectric substrate, that has been designed to enhance the local performance of an ultra-high field MRI scanner. This new flexible and compact resonant structure is the first metasurface which can be integrated with multi-element close-fitting receive coil arrays that are used for all clinical MRI scans. We demonstrate the utility of the metasurface acquiring in-vivo human brain images and proton MR spectra with enhanced local sensitivity on a commercial 7 Tesla system.

Original languageEnglish
Article number1678
Number of pages7
JournalScientific Reports
Volume7
DOIs
StatePublished - 10 May 2017

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