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| MOPMB003 |
Flux Expulsion Lens: Concept and Measurements |
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- D.A. Turner
European Organization for Nuclear Research (CERN), Geneva, Switzerland
- A. Gallifa Terricabras, T. Koettig, A. Macpherson, G.J. Rosaz, N. Stapley
CERN, Meyrin, Switzerland
- I. González Díaz-Palacio
University of Hamburg, Hamburg, Germany
- W. Hillert
University of Hamburg, Institut für Experimentalphysik, Hamburg, Germany
- M. Wenskat
DESY, Hamburg, Germany
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A magnetic flux expulsion lens (MFEL) has been designed and built at CERN. This device uses closed topology conduction cooling of samples to quantify magnetic flux expulsion of superconductors, and allows for systematic measurements of the cooling dynamics and the magnetic response during the superconducting transition. Measurements for bulk Nb, cold worked Nb, sputtered Nb on Cu, and SIS multilayer structures are given. Preliminary results for both sample characterization of expulsion dynamics, and observation of an enhanced flux expulsion in SIS samples are also reported.
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Poster MOPMB003 [2.459 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-SRF2023-MOPMB003
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| About • |
Received ※ 27 June 2023 — Revised ※ 28 June 2023 — Accepted ※ 30 June 2023 — Issue date ※ 14 July 2023 |
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