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Poster

Reconfigurable Coaxial Receive Dipoles for Dynamic Parallel Imaging of Human Brain at 9.4T

MPS-Authors
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Solomakha,  GA       
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons230667

Glang,  F       
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Steffen,  T
Electronical Workshop, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Scheffler,  K       
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Avdievich,  NI       
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

External Resource

https://submissions.mirasmart.com/ISMRM2023/Itinerary/ConferenceMatrixEventDetail.aspx?ses=D-167
(Abstract)

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Citation

Solomakha, G., Glang, F., Steffen, T., Scheffler, K., & Avdievich, N. (2023). Reconfigurable Coaxial Receive Dipoles for Dynamic Parallel Imaging of Human Brain at 9.4T. Poster presented at 2023 ISMRM & ISMRT Annual Meeting & Exhibition (ISMRM 2023), Toronto, Canada.


Cite as: https://hdl.handle.net/21.11116/0000-000D-3582-4
Abstract
Recently developed dynamic parallel imaging, i.e. rapid modulation of element's sensitivities during acquisition, greatly improved the performance of the method. In this work, sensitivity profiles of dipole elements were electronically reconfigured by varying impedances of lumped element circuits connected in series with the dipoles . This required a large number of DC wires directly connected to the dipoles. In the present work, we developed, constructed, and evaluated a dynamically reconfigurable 8-element coaxial dipole array for brain imaging at 9.4T. Our design eliminates the DC wires directly connected to the dipoles and, hence, substantially simplifies further increasing the number of receive channels.