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Abstract #1582

Dynamic Dual Frequency Transmit and Receive Coil Pair for Development of a New Open MRI System

Charles Rogers III1, Gigi Galiana1, and Todd Constable1

1Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT, United States

We present progress on development and testing of a two-coil array with each coil separately and dynamically tunable between dual frequencies. This test setup works toward the goal of developing a larger nine-element coil array for a new style of open MRI system utilizing the Bloch-Siegert shift at low Bo field. The array design is such that pairs of coils are selected for transmission at ~850kHz while allowing simultaneous receive at ~1MHz on the non transmitting coils. We discuss the construction and present measurements of RF scattering parameters of a two-coil test setup.

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