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  About the Ultimate SNR for Cylindrical and Spherical RF Arrays in a Realistic Human Head Model

Pfrommer, A., Avdievich, N., & Henning, A. (2016). About the Ultimate SNR for Cylindrical and Spherical RF Arrays in a Realistic Human Head Model. In 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016).

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-7CDE-C Version Permalink: http://hdl.handle.net/21.11116/0000-0000-E97F-C
Genre: Meeting Abstract

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Pfrommer, A1, 2, Author              
Avdievich, NI1, 2, 3, Author              
Henning, A1, 2, 3, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528692              
3Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: In this work we investigated differences in the ultimate SNR in a realistic human head model for two configurations with the RF array elements distributed on either a cylindrical or a spherical holder. The basis set of solutions in our approach was created by vector cylindrical and spherical harmonics, which are known to form a complete set of eigenfunctions to Maxwell’s equations in free-space. Assuming both surfaces have the same radius, the spherical geometry yielded higher SNR in grey and white matter compared to the cylindrical one. Moreover it allowed higher acceleration factors with the same g-factors.

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 Dates: 2016-05-09
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: PfrommerAH2016
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Title: 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016)
Place of Event: Singapore
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Title: 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 0175 Start / End Page: - Identifier: -