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Applied Physics Letters / Volume 97 / Issue 5 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 97, 051101 (2010); http://dx.doi.org/10.1063/1.3470591 (3 pages)

Imaging of microwave fields using ultracold atoms

Pascal Böhi1, Max F. Riedel1, Theodor W. Hänsch1, and Philipp Treutlein1,2

1Max-Planck-Institut für Quantenoptik and Fakultät für Physik, Ludwig-Maximilians-Universität, 80799 München, Germany
2Departement Physik, Universität Basel, CH-4056 Basel, Switzerland

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(Received 9 April 2010; accepted 27 April 2010; published online 2 August 2010)

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.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

coplanar waveguides, hyperfine structure, microwave imaging, MMIC, radiation pressure

PACS

  • 37.10.De

    Atom cooling methods

  • 84.40.Lj

    Microwave integrated electronics

  • 32.10.Fn

    Fine and hyperfine structure

  • 84.40.Az

    Waveguides, transmission lines, striplines

  • 07.57.-c

    Infrared, submillimeter wave, microwave and radiowave instruments and equipment

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3470591

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    T. R. Gentile, B. J. Hughey, D. Kleppner, and T. W. Ducas, Phys. Rev. A 40, 5103 (1989).

    M. R. Matthews, D. S. Hall, D. S. Jin, J. R. Ensher, C. E. Wieman, E. A. Cornell, F. Dalfovo, C. Minniti, and S. Stringari, Phys. Rev. Lett. 81, 243 (1998).

    D. M. Farkas, K. M. Hudek, E. A. Salim, S. R. Segal, M. B. Squires, and D. Z. Anderson, Appl. Phys. Lett. 96, 093102 (2010)APPLAB000096000009093102000001.


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