Limitations of NMR Field Cameras for B0 Field Monitoring

Chang, P; Nassirpour, S; Henning, A

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Limitations of NMR Field Cameras for B0 Field Monitoring

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

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Nassirpour, S
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;

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Chang, P., Nassirpour, S., & Henning, A. (2017). Limitations of NMR Field Cameras for B0 Field Monitoring. Poster presented at 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017), Honolulu, HI, USA.

引用: https://hdl.handle.net/21.11116/0000-0000-C4C7-2

要旨

We compare the fields measured by a field camera to the fields obtained from B0 mapping at 9.4T. The B0 maps have higher spatial resolution and are therefore taken as a benchmark. We analyse the loss of spatial fidelity due to the lower spatial samples of the field camera and compare two different field probe position calibration and optimisation methods that would help alleviate the problem of discrepancies between field monitoring and field mapping.