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  32-Channel Combined Surface Loop / “Vertical” Loop Tight-Fit Array Provides for Full-Brain Coverage, High Transmit Performance, and SNR Improvement at 9.4T: an Alternative to Surface Loop / Dipole Antenna Combination

Avdievich, N., Giapitzakis, I., & Henning, A. (2018). 32-Channel Combined Surface Loop / “Vertical” Loop Tight-Fit Array Provides for Full-Brain Coverage, High Transmit Performance, and SNR Improvement at 9.4T: an Alternative to Surface Loop / Dipole Antenna Combination. In Joint Annual Meeting ISMRM-ESMRMB 2018.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-7E27-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0001-9378-2
Genre: Meeting Abstract

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 Creators:
Avdievich, N1, 2, Author           
Giapitzakis, IA1, 2, Author           
Henning, A1, 2, Author           
Affiliations:
1Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528692              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: Tight-fit human head ultra-high field (UHF,>7T) transceiver (TxRx) surface loop phased arrays improve transmit (Tx)-efficiency in comparison to Tx-only arrays, which are larger to fit receive (Rx)-only arrays inside. A drawback of the TxRx-design is that the number of array elements is restricted by the number of available RF Tx-channels (commonly <16), which limits the Rx-performance. A new 32-element tight-fit human head array, which consists of 18 TxRx-loops and 14 Rx-only vertical loops, was constructed. The array provides for full-brain coverage, ~50 greater B , and ~30 greater SNR near the brain center as compared to common Tx-only/ Rx-only (ToRo) array.

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 Dates: 2018-06
 Publication Status: Issued
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 Identifiers: BibTex Citekey: AvdievichGH2018
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Place of Event: Paris, France
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 0140 Start / End Page: - Identifier: -