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  Slice-Selective B1 Phase Shimming at 9.4 Tesla

Hoffmann, J., Budde, J., Shajan, G., & Pohmann, R. (2010). Slice-Selective B1 Phase Shimming at 9.4 Tesla. Poster presented at ISMRM-ESMRMB Joint Annual Meeting 2010, Stockholm, Sweden.

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ISMRM Abstract Jens B1 shimming_[0].pdf (Any fulltext), 510KB
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ISMRM Abstract Jens B1 shimming_[0].pdf
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Hoffmann, J1, 2, Author              
Budde, J1, 2, Author              
Shajan, G1, 2, Author              
Pohmann, R1, 2, Author              
Affiliations:
1Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528700              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: In this work, we demonstrate B1 phase shimming in situ at 9.4 Tesla: A rapid calibration pre-scan provides B1+ magnitude and phase maps that are used to predict the total field across the subject dependent on a phase configuration of choice. In addition, a GUI provides the option to select a region within a slice where the field is quickly and reliably optimized by a simulated annealing algorithm based on a suitable optimization criterion. The accuracy of this method is demonstrated in a saline phantom and used for B1 shimming in the human brain.

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 Dates: 2010-05
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 6271
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Title: ISMRM-ESMRMB Joint Annual Meeting 2010
Place of Event: Stockholm, Sweden
Start-/End Date: 2010-05-01 - 2010-05-07

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Title: ISMRM-ESMRMB Joint Annual Meeting 2010
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 1470 Start / End Page: - Identifier: -