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  Investigation of decoupling between MRI array elements

Kozlov, M., Turner, R., & Avdievich, N. (2013). Investigation of decoupling between MRI array elements. In 43rd European Microwave Conference (EuMC 2013) (pp. 1223-1226). Piscataway, NJ, USA: IEEE.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-001A-14B6-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-4A54-E
Genre: Conference Paper

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Kozlov, M, Author
Turner, R, Author
Avdievich, N1, 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: We evaluated properties of a resonant inductive decoupling (RID) network used for decoupling of a two-channel loop array. We show that three previously published designs for an RID network can each be represented by an equivalent circuits providing similar behavior. An array with an RID can be optimized by an RF circuit optimizer without requiring analytical solutions for optimal RID component values. An RID can compensate both resistive and reactive components of the S-parameter matrix, but cannot eliminate power deposition by overlapped electrical fields in conductive tissues. The RID with the largest relative frequency shift gives the greatest reduction of the influence of the RID leakage field on the array near-field profile.

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 Dates: 2013-10
 Publication Status: Published in print
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 Identifiers: DOI: 10.23919/EuMC.2013.6686884
BibTex Citekey: KozlovTA2013
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Title: 43rd European Microwave Conference (EuMC 2013)
Place of Event: Nürnberg, Germany
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Title: 43rd European Microwave Conference (EuMC 2013)
Source Genre: Proceedings
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Publ. Info: Piscataway, NJ, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1223 - 1226 Identifier: ISBN: 978-2-87487-031-6