Double-Tuned Cable Traps For Multinuclear MRI And MRS.
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abstract
Using the method of pole-insertion, double-tuned cable traps were constructed and studied. The effectiveness of the method was examined for four different magnetic field strengths. The double-tuned cable trap design was able to effectively block shield currents at two frequencies simultaneously for all field strengths attempted. The effectiveness of the design seemed to increase at higher field strengths, eventually outperforming even the single-tuned cable traps at the highest frequencies examined. The double-tuning method demonstrated here could be a useful cable trap design for multinuclear studies and is considerably more spaceefficient than using two single-tuned cable traps mounted in series. This design should be particularly useful in cases where space is limited, such as when using high channel-count array coils.
