Imaging of microwave fields using ultracold atoms

Böhi, Pascal and Riedel, Max F. and Hänsch, Theodor W. and Treutlein, Philipp. (2010) Imaging of microwave fields using ultracold atoms. Applied physics letters, 97 (5). 051101.

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Official URL: http://edoc.unibas.ch/dok/A5841510

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We report a technique that uses clouds of ultracold atoms as sensitive, tunable, and noninvasive probes for microwave field imaging with micrometer spatial resolution. The microwave magnetic field components drive Rabi oscillations on atomic hyperfine transitions whose frequency can be tuned with a static magnetic field. Readout is accomplished using state-selective absorption imaging. Quantitative data extraction is simple and it is possible to reconstruct the distribution of microwave magnetic field amplitudes and phases. While we demonstrate two-dimensional imaging, an extension to three-dimensional imaging is straightforward. We use the method to determine the microwave near-field distribution around a coplanar waveguide integrated on an atom chip.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimentelle Nanophysik (Treutlein)
UniBasel Contributors:Treutlein, Philipp and Böhi, Pascal and Riedel, Max
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:05 Apr 2018 15:03
Deposited On:14 Sep 2012 06:47

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