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Conference Paper

Optimal Arrangement of Finite Element Loop Arrays for Parallel Magnetic Resonance Imaging in the Human Head at 400 MHz

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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;

/persons/resource/persons84402

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;

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http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=arnumber=7166753
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Citation

Pfrommer, A., & Henning, A. (2015). Optimal Arrangement of Finite Element Loop Arrays for Parallel Magnetic Resonance Imaging in the Human Head at 400 MHz. In IEEE MTT-S International Microwave Symposium (IMS 2015) (pp. 1-4). Piscataway, NJ, USA: IEEE.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-4678-E
Abstract
Parallel magnetic resonance imaging is limited by the SNR of the MR-signal detected by an antenna array. To fully exploit the SNR of circular surface loops surrounding a spherical head phantom, we developed an optimization routine to minimize the array's noise enhancement. We optimized the positioning of each array element and investigated the optimal loop radius. As a result we show optimal setups for 8, 16 and 32 array elements at 400 MHz with different rates of k-space undersampling.