The ultimate intrinsic SNR in a spherical phantom with regard to an open-pole 
surface current distribution at 9.4T

Pfrommer, A; Henning, A

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The ultimate intrinsic SNR in a spherical phantom with regard to an open-pole surface current distribution at 9.4T

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Pfrommer, A
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Henning, A
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Pfrommer, A., & Henning, A. (2017). The ultimate intrinsic SNR in a spherical phantom with regard to an open-pole surface current distribution at 9.4T. In 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017) (pp. 460-460).

Cite as: https://hdl.handle.net/21.11116/0000-0000-C5B4-6

Abstract

RF coils for human head imaging need to provide access for the human neck and cannot be entirely closed. In this work, we investigate the ultimate intrinsic signal-to-noise ratio (UISNR) in a spherical phantom due to an open-pole surface current distribution, where the generic surface current patterns run on a spherical cap. The influence of the cap’s opening angle ϑ0 on UISNR, parallel imaging performance and on the contribution of curl-free and divergence-free current patterns to UISNR is studied.