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  Double-Row 16-element Folded-End Dipole Transceiver Array for Human Whole Brain Imaging at 9.4 T

Avdievich, N., Nikulin, A., Bosch, D., Solomakha, G., & Scheffler, K. (2023). Double-Row 16-element Folded-End Dipole Transceiver Array for Human Whole Brain Imaging at 9.4 T. In 2023 ISMRM & ISMRT Annual Meeting & Exhibition (ISMRM 2023).

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 Creators:
Avdievich, NI1, Author                 
Nikulin, AV1, Author                 
Bosch, D1, Author                 
Solomakha, G1, Author                 
Scheffler, K1, Author                 
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: Homogeneity and coverage of transmit (Tx) RF coils at ultra-high field (UHF,>7 T) can be improved by 3D RF shimming. This, however, requires using multi-row Tx-arrays. Dipole antennas provide unique simplicity and robustness while offering comparable Tx-efficiency and SNR to conventional loop designs. Single-row UHF dipole Tx-arrays for human head imaging have been previously described. Recently, we developed a novel type of dipole elements, a folded-end dipole, which improved the longitudinal coverage and specific absorption rate (SAR) efficiency. In this work, we developed, constructed, and evaluated a 16-element double-row transceiver folded-end dipole array for human whole-brain imaging at 9.4 T.

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 Dates: 2023-05
 Publication Status: Published online
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Title: 2023 ISMRM & ISMRT Annual Meeting & Exhibition (ISMRM 2023)
Place of Event: Toronto, Canada
Start-/End Date: 2023-06-03 - 2023-06-08

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Title: 2023 ISMRM & ISMRT Annual Meeting & Exhibition (ISMRM 2023)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 1412 Start / End Page: - Identifier: -