Magnetic field dependence of the coupling efficiency of a superconducting transmission line due to the proximity effect

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Zhu, S. and Zijlstra, T. and Golubov, A.A. and Bemt van den, M. and Baryshev, A.M. and Klapwijk, T.M. (2009) Magnetic field dependence of the coupling efficiency of a superconducting transmission line due to the proximity effect. Applied Physics Letters, 95 (25). p. 253502. ISSN 0003-6951

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Abstract:The coupling efficiency of a Nb superconducting transmission line has been measured using a Fourier transform spectrometer for different magnetic fields. It is found that the coupling decreases with increasing magnetic field when the frequency is close to the gap of the Nb superconductor. This is attributed to the changes of the surface impedance of the proximity-coupled superconductor/normal-metal bilayers in the transmission line.
Item Type:Article
Copyright:© 2009 American Institute of Physics
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/73198
Official URL:http://dx.doi.org/10.1063/1.3276076
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