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Miniaturized superconducting metamaterials for radio frequencies
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) SEM image of a single Nb spiral with , , on a quartz substrate and (b) the SEM image of right part of the spiral marked by yellow in (a) showing the windings.

Image of FIG. 2.
FIG. 2.

Transmission vs frequency for a single Nb spiral with measured between two rf magnetic loops at temperatures below (the solid bright red curve) and well above (the featureless solid blue curve) the of Nb. The dashed dark red curve is a numerical calculation done by HFSS. The inset shows the sample-loop configuration during transmission measurements as well as the distribution of the magnetic flux lines simulated by HFSS.

Image of FIG. 3.
FIG. 3.

Calculation of mutual inductance between a single spiral with , , and a magnetic loop with diameter 6 mm as a function of standing wave mode number in the spiral. The planes of the loop and the spiral are parallel and 3.25 mm apart. The inset shows HFSS simulations of distributed in the spiral at the fundamental mode and second harmonic.

Image of FIG. 4.
FIG. 4.

Transmission vs frequency for a one dimensional array of seven spirals with measured via magnetic loops below and above . The inset is an optical image of the sample showing seven spirals on a quartz substrate.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Miniaturized superconducting metamaterials for radio frequencies