Surface transmitters are often B1+ limited for X-nuclear applications due to hardware limitations of broadband power amplifiers. For both X-nuclear MRI and proton MRI, improved signal detection is always desired. Commonly, signal is measured using surface radiofrequency loop coils or coil arrays. We propose a novel surface coil design using stacked copper layers from one continuous track for increased magnetic flux and sensitivity over a central region of the coil. ‘Multilayer’ designs promise increased B1+ efficiency and Signal-to-Noise, seen using electromagnetic simulations and verified experimentally when compared to conventional loop coils over a range of diameters.
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