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  Reverse engineering of a 7T 16-channel dual-row transmit array coil

Kozlov, M., Weiskopf, N., Möller, H. E., & Shajan, G. (2018). Reverse engineering of a 7T 16-channel dual-row transmit array coil. Poster presented at Joint Annual Meeting ISMRM-ESMRMB 2018, Paris, France.

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 Creators:
Kozlov, Mikhail1, Author              
Weiskopf, Nikolaus1, Author              
Möller, Harald E.2, Author              
Shajan, Gunamony 3, Author
Affiliations:
1Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2205649              
2Methods and Development Unit Nuclear Magnetic Resonance, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634558              
3External Organizations, ou_persistent22              

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 Abstract: We developed a reverse engineering numerical workflow that yielded a good match between measured and simulated scattering parameters of an inductively decoupled non-overlapped dual-row transmit array for MRI at 7T. We evaluated and compared the performance of different tuning conditions resulted in similar scattering parameters. For the circular polarization mode under-coupled, over-coupled, or mixed tuning conditions resulted in up to 65% variation of different coil losses but small variation of transmit efficiency. For comparisons of array transmit performance, consideration of array-internal losses as well as reflected and radiated power is very important, because their sum can be as high as 71% of the total transmit power.

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 Dates: 2018-06-19
 Publication Status: Not specified
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Place of Event: Paris, France
Start-/End Date: 2018-06-16 - 2018-06-21

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Title: Proceedings of the International Society for Magnetic Resonance in Medicine (2018)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 4412 Start / End Page: - Identifier: -