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Abstract #0839

MAGNUS: An ultra-high efficiency head-only gradient coil for imaging the brain microstructure

Thomas Foo1, Dominic Graziani1, Yihe Hua1, Ye Bai1, Justin Ricci1, Christina Vasil1, Naveenan Thiagarajan1, Eric Fiveland1, Alex Kagan1, Joseph Piel1, Ek Tsoon Tan1, Mark Vermilyea1, Charles Helms2, Franklyn Snell2, Derek Seeber2, William Einziger2, David Lee2, Peter Roemer2, Jean-Baptiste Mathieu2, Maureen N Hood3, Heechin Chae4, and Vincent B Ho3

1GE Global Research, Niskayuna, NY, United States, 2GE Healthcare, Florence, SC, United States, 3Uniformed Services University of the Health Sciences, Bethesda, MD, United States, 4Ft. Belvoir Community Hospital, Ft. Belvoir, VA, United States

An ultra-high gain asymmetric gradient coil design for imaging the brain microstructure is described. This design has greater than 4 times the gain of existing whole-body gradient coils and 3x that of the Compact 3T gradient coil with similar inner diameter. With a 1 MVA driver, this gradient coil is designed to deliver 200 mT/m at a maximum slew rate of 500 T/m/s.

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