doi: 10.1109/10.972841.
A time-harmonic inverse methodology for the design of RF coils in MRI
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- PMID: 11794773
- DOI: 10.1109/10.972841
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A time-harmonic inverse methodology for the design of RF coils in MRI
IEEE Trans Biomed Eng.
2002 Jan.
Abstract
An inverse methodology is described to assist in the design of radio-frequency (RF) coils for magnetic resonance imaging (MRI) applications. The time-harmonic electromagnetic Green's functions are used to calculate current on the coil and shield cylinders that will generate a specified internal magnetic field. Stream function techniques and the method of moments are then used to implement this theoretical current density into an RF coil. A novel asymmetric coil operating for a 4.5 T MRI machine was designed and constructed using this methodology and the results are presented.
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