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- W4380994054 abstract "The purpose of this work is to investigate the performances of the twisted pair transmission line coil in terms of flexibility, non-sensitivity towards elongation and shape deformations and interelement decoupling when placed in an array configuration. The design of the proposed coil is very similar to the concept of a shielded-coaxial-cable (SCC) coil. A loop of a certain diameter was formed from a twisted pair transmission line. One wire at the top part was interrupted while the other was continuous. Opposite from the top interruption, the interrupted wire was continuous at the bottom, while the other wire (which was continuous at the top) was interrupted and connected to the tuning and matching network. Performances such as B1+ fields, maximum SAR10g, and stability of S11 when the coil was deformed from circular to medium and extremely elongated forms, were compared with equivalently sized conventional loop coils. Three arrays with different element configurations were formed from fabricated coils and interelement decoupling between the coils was examined. All simulated and fabricated coils were tuned and matched only once and did not de-tune while being elongated, deformed and placed in an array configuration. The coil showed extremely robust performances and stayed decoupled when placed in various array configurations. The proposed element is a truly self-decoupled element since it is decoupled per se without the need for any additional decoupling technique to be applied. Future work would include investigation of the optimum shape and arrangement of the coil elements which would allow high accelerations with the best performances." @default.
- W4380994054 created "2023-06-17" @default.
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- W4380994054 date "2023-06-15" @default.
- W4380994054 modified "2023-09-25" @default.
- W4380994054 title "Twisted Pair Transmission Line Coil -- A Flexible, Self-Decoupled and Extremely Robust Element for 7T MRI" @default.
- W4380994054 doi "https://doi.org/10.48550/arxiv.2306.08934" @default.
- W4380994054 hasPublicationYear "2023" @default.
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