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Abstract #1397

Introducing the Double-Folded Dipole to enhance the Excitation Efficiency at 7T Ultra-High Field MRI 

Sam-Luca J.D. Hansen1, Markus W. May1, Mirsad Mahmutovic1, Manisha Shrestha1, Anpreet Ghotra1, Matthäus Poniatowski1, and Boris Keil1
1Institute of Medical Physics and Radiation Protection, TH Mittelhessen University of Applied Sciences, Gießen, Germany

We demonstrated a highly efficient B1+to-SAR dipole antenna for ultrahigh-field MRI which consists of a double-folded ladder structure. The antenna was simulated and bench tested. The antenna has a high impedance which provides low mutual coupling between other antenna elements. Ultimately, this characteristic possibly allows to construct antenna array for pTx.

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