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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