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  A 16-Element Dual-row Transmit Coil Array for 3D RF Shimming at 9.4 T

Shajan, G., Hoffmann, J., Scheffler, K., & Pohmann, R. (2012). A 16-Element Dual-row Transmit Coil Array for 3D RF Shimming at 9.4 T. In 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012).

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-B78E-1 Version Permalink: https://hdl.handle.net/21.11116/0000-0001-A59E-3
Genre: Meeting Abstract

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http://www.ismrm.org/12/Session31.htm (Abstract)
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 Creators:
Shajan, G1, 2, Author           
Hoffmann, J1, 2, Author           
Scheffler, K1, 2, Author           
Pohmann, R1, 2, Author           
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: The well known transmit field inhomogeneity at ultra high field strengths, caused by the shorter RF wavelength in tissue, is most severe in the lower half of the brain. A dual-row 16 element transmit coil that gives the additional flexibility to shim for the lower brain was designed. Numerical investigation revealed excellent static B1 shimming performance. In vivo shimming on a coronal slice demonstrates the ability to improve the transmit field in brain regions that are challenging to image using single-row transmit arrays. The coil can be combined with receive-only arrays for highly sensitive parallel signal reception.

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 Dates: 2012-05
 Publication Status: Issued
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 Identifiers: BibTex Citekey: ShajanHSP2012_2
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Title: 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012)
Place of Event: Melbourne, Australia
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Title: 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 0308 Start / End Page: - Identifier: -