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. 2015 Mar 26;10(3):e0118892. doi: 10.1371/journal.pone.0118892

Fig 1. The experimental setup of the different coils and the details of the QD surface resonator.

Fig 1

(a) The 3T system setup of the phantom experiment, where the QD surface resonator was put inside the QD volume resonator. (b) The 3T system setup of the phantom experiment, where the matching and signal pick-up resonator with a tuning variable capacitance was put under the cryostat and the HTS surface resonator. (c) Top left: the QD surface resonator, Top right: the preamplifier, and the bottom: the QD volume resonator. (d) The top: The geometry of QD form circuit, the bottom: the circuit diagram of the matching and signal pick-up resonator with the variable tuning trimmer capacitor C1 and the Bi-2223 surface resonator.