Real-time magneto-optical imaging of vortices in superconducting
NbSe2

doi:10.1088/0953-2048/14/9/320

Real-time magneto-optical imaging of vortices in superconducting NbSe₂

Pål Erik Goa et al 2001 Supercond. Sci. Technol. 14 729-731 doi: 10.1088/0953-2048/14/9/320

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Pål Erik Goa¹, Harald Hauglin¹, Michael Baziljevich¹, Eugene Il'yashenko¹, Peter L Gammel² and Tom H Johansen¹
¹ Department of Physics, University of Oslo, PO Box 1048 Blindern, 0316 Oslo, Norway
² Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07974, USA

Abstract. We present here a new experimental tool for the direct observation of magnetic vortices in type-II superconductors. The magneto-optical imaging technique has been improved to enable single vortex observation at low flux densities. The main advantage of the new method is its high temporal resolution combined with the applicability to any superconducting sample with a flat surface. We give a short description of the experimental set-up and show examples of results obtained for a NbSe₂ single crystal at 4.0 K.

Print publication: Issue 9 (September 2001)
Received 4 June 2001
Published 22 August 2001

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Real-time magneto-optical imaging of vortices in superconducting NbSe₂

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