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  Variable Geometry Elliptical Transceiver Phased Array for Imaging of the Human Brain at 7 T

Avdievich, N., Pan, J., Kuznetsov, A., & Hetherington, H. (2009). Variable Geometry Elliptical Transceiver Phased Array for Imaging of the Human Brain at 7 T. Poster presented at 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009), Honolulu, HI, USA.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-15CA-2 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-15CB-1
Genre: Poster

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https://cds.ismrm.org/protected/09MProceedings/files/1_program.htm (Abstract)
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Avdievich, NI1, Author           
Pan, JW, Author
Kuznetsov, AM, Author
Hetherington, HP, Author
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1External Organizations, ou_persistent22              

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 Abstract: Despite the availability of 7T systems dating from late 1990s, their widespread use in clinical applications has been slowed by technical hurdles associated with detector design. Transceiver phased arrays in combination with multi-channel transmit systems provide a platform for RF shimming. Array performance can be further improved by adjusting array’s geometry to accommodate various head sizes. In this work we describe an 8-element split elliptical 7T transceiver phased array with adjustable geometry and a method for individualized optimization of the RF phases and amplitudes. This combination provides for the efficient generation of a sufficiently homogenous B1 at 7T.

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 Dates: 2009-04
 Publication Status: Published online
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Title: 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009)
Place of Event: Honolulu, HI, USA
Start-/End Date: 2009-04-18 - 2009-04-24

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Title: 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 3002 Start / End Page: - Identifier: -