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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