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  Application of an RF current mirror for MRI transmit coils

Müller, R., Lenich, T., Kirilina, E., & Möller, H. E. (2019). Application of an RF current mirror for MRI transmit coils. Poster presented at ISMRM 27th Annual Meeting & Exhibition, Montreal, QC, Canada.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0004-C3AE-C Version Permalink: https://hdl.handle.net/21.11116/0000-0004-C3AF-B
Genre: Poster

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 Creators:
Müller, Roland1, Author           
Lenich, Tobias1, Author           
Kirilina, Evgeniya2, Author           
Möller, Harald E.1, Author           
Affiliations:
1Methods and Development Unit Nuclear Magnetic Resonance, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634558              
2Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2205649              

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 Abstract: Some types of MRI transmit coils (e.g. Helmholtz coils) require equal currents in different coil elements. We present a novel feeding concept based on a passive RF current mirror, which ensures equal currents even if the loading and tuning of individual elements differ. Analytical equations are given for the dimensioning. It is demonstrated by simulations and experiments that the concept is viable, especially for ultra-high field imaging.

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 Dates: 2019-05-13
 Publication Status: Not specified
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Title: ISMRM 27th Annual Meeting & Exhibition
Place of Event: Montreal, QC, Canada
Start-/End Date: 2019-05-11 - 2019-05-16

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Title: Proceedings of the International Society for Magnetic Resonance in Medicine (2019)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 1502 Start / End Page: - Identifier: -