Abstract #0495

The Multi-Pole Antenna Array

Qi Duan¹, Natalia Gudino¹, and Hellmut Merkle¹

¹Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, United States

In this work, we propose concepts of transmit arrays based on combination of monopole and dipole antennas and their variations for high field imaging. Based on these concepts, transmit arrays for a variety of applications can be derived based on parameters such as desired and possible transmit field-of-view, number of available transmit ports, etc. For illustration purpose, a special case of the second order array, a.k.a. the Trident antenna, was built for spine or posterior cortex imaging and tested on phantom at a 7T scanner.

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