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  Retrospective 3D Modeling of RF Coils Using a 3D Tracker for EM Simulation

Kim, D., Park, Y., Pérez Rodas, M. A., Hernandez, D., Lee, J., & Lee, S. (2013). Retrospective 3D Modeling of RF Coils Using a 3D Tracker for EM Simulation. Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering, 43(4), 126-132. doi:10.1002/cmr.b.21245.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-3DC2-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-3DC3-F
Genre: Journal Article

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 Creators:
Kim, DE, Author
Park, YM, Author
Pérez Rodas, Marlon Arturo1, Author              
Hernandez, D, Author
Lee, J, Author
Lee, SY, Author
Affiliations:
1Department of Biomedical Engineering, Kyung Hee University, Korea, ou_persistent22              

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 Abstract: The 3D geometry of the RF coil in use is often unavailable when the RF coil is a commercial one or the RF coil has been developed through ad hoc modification of the coil shape at the laboratory. Without the coil geometry information, making a 3D model of the RF coil may be necessary to simulate the RF coil performance using a finite difference time domain (FDTD) solver. We used a stylus‐type 3D tracker to measure the 3D positions of the landmarks on the coil wires. From the measured landmark positions, we built 3D models of the coil wires using a 3D design tool. We also carried out FDTD simulation of the RF coil performances after transferring the 3D model data to the FDTD solver. For demonstration, we built 3D models of a shoulder coil and a 36‐channel helmet‐style array coil, and we computed B1 field maps of the coils using the FDTD solver. We think the proposed method can be greatly used for FDTD simulation of the RF coils in use whose geometries are unknown.

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 Dates: 2013-10
 Publication Status: Published in print
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 Identifiers: DOI: 10.1002/cmr.b.21245
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Title: Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering
Source Genre: Journal
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Pages: - Volume / Issue: 43 (4) Sequence Number: - Start / End Page: 126 - 132 Identifier: -