Microscopic magnetic-field imaging

Stephan Wildermuth, Sebastian Hofferberth, Igor Lesanovsky, Elmar Haller, L. Mauritz Andersson, Sönke Groth, Israel Bar-Joseph, Peter Krüger and Jörg Schmiedmayer ()
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Stephan Wildermuth: Physikalisches Institut, Universität Heidelberg
Sebastian Hofferberth: Physikalisches Institut, Universität Heidelberg
Igor Lesanovsky: Physikalisches Institut, Universität Heidelberg
Elmar Haller: Physikalisches Institut, Universität Heidelberg
L. Mauritz Andersson: Physikalisches Institut, Universität Heidelberg
Sönke Groth: Physikalisches Institut, Universität Heidelberg
Israel Bar-Joseph: The Weizmann Institute of Science
Peter Krüger: Physikalisches Institut, Universität Heidelberg
Jörg Schmiedmayer: Physikalisches Institut, Universität Heidelberg

Nature, 2005, vol. 435, issue 7041, 440-440

Abstract: Abstract Today's magnetic-field sensors1 are not capable of making measurements with both high spatial resolution and good field sensitivity. For example, magnetic force microscopy2 allows the investigation of magnetic structures with a spatial resolution in the nanometre range, but with low sensitivity, whereas SQUIDs3 and atomic magnetometers4 enable extremely sensitive magnetic-field measurements to be made, but at low resolution. Here we use one-dimensional Bose–Einstein condensates in a microscopic field-imaging technique that combines high spatial resolution (within 3 micrometres) with high field sensitivity (300 picotesla).

Date: 2005
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DOI: 10.1038/435440a

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