Applications of dielectric pads, novel materials and resonators in 1.5T and 3T MRI

Alexey P. Slobozhanyuk, Irena Zivkovic, Alena V. Shchelokova, A. Mikhailovskaya, I. Sushkov, Elisaveta Nenasheva, Irina V. Melchakova, Pavel A. Belov, Andrew Webb

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Abstract

In order to boost the performance of magnetic resonance imaging without increasing the static magnetic field, it is necessary to increase its intrinsic sensitivity. This allows a reduction in the scanning time, increased spatial resolution, and can enable low-field strength systems (which are much cheaper and can be used to scan patients with metallic implants) to have a higher signal-to-noise ratio (SNR) so that they are comparable to more expensive higher field strength systems. In this contribution, we demonstrate radiofrequency field enhancing and shaping devices based on novel materials, such as high permittivity dielectric structures and metamaterials. These materials can substantially enhance SNR, thus potentially increasing image resolution or allowing faster examinations.

Original languageEnglish
Article number012166
Number of pages3
JournalJournal of Physics: Conference Series
Volume1461
Issue number1
DOIs
Publication statusPublished - 23 Apr 2020
Externally publishedYes
EventIV International Conference on Metamaterials and Nanophotonics, (Metanano2019) - St Petersburg, Russian Federation
Duration: 15 Jul 201919 Jul 2019
https://metanano.itmo.ru/

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    Slobozhanyuk, A. P., Zivkovic, I., Shchelokova, A. V., Mikhailovskaya, A., Sushkov, I., Nenasheva, E., Melchakova, I. V., Belov, P. A., & Webb, A. (2020). Applications of dielectric pads, novel materials and resonators in 1.5T and 3T MRI. Journal of Physics: Conference Series, 1461(1), [012166]. https://doi.org/10.1088/1742-6596/1461/1/012166