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An adjustable RF coil loading device.

C E Hayes
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Abstract

This paper describes an adjustable loading device that can substitute for the tissue losses of various sized patients in a whole-body MR imager. It resembles a lowpass birdcage resonator but with resistors replacing the capacitors on the cylindrical surface. Power dissipated is a monotonic function of the total surface conductance of the loader. The loader can be used in conjunction with a low loss water filled phantom to measure signal-to-noise ratios (SNR). The impact on measured SNR due to screening by the loader and changing the phantom size or composition are also briefly discussed.

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BibTeXRIS

C E Hayes. 1993. An adjustable RF coil loading device.. https://doi.org/10.1016/0730-725x(93)90415-a

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PubMed1999

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