Accuracy of an Atomic Microwave Power Standard

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Conference object 01 Jun 2004Embargo end date: 01 Mar 2005 Canada English Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Instrumentation and Measurement, volume 54, pages 692-695 (issn: 0018-9456,

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Authors: Paulusse, D. C.; Rowell, N. L.; Michaud, A.;

doi: 10.1109/tim.2005.843537 , 10.1109/cpem.2004.305282 , 10.48550/arxiv.physics/0503111

arXiv: physics/0503111

Accuracy of an Atomic Microwave Power Standard

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Abstract

We have built an atomic microwave power standard based on the electromagnetic interaction with laser-cooled atoms. The atoms traversed a waveguide transmission line, and under the effect of the radiation, the internal state populations underwent a Rabi flopping oscillation. Measurement of the oscillation frequency allowed the determination of the incident microwave power. As many of 60 oscillations were observed over a dynamic range of 20 dB and the standard deviation of the measurements was about 0.02%. The measured frequency was compared to a calculated one and an agreement of 1.3% with an uncertainty of 5% (rectangular) was found.

5 figures

Country

Canada

Related Organizations

National Academies of Sciences, Engineering, and Medicine
United States
National Research Council Canada
Canada

Keywords

Physics - Instrumentation and Detectors, Atomic Physics (physics.atom-ph), FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Physics - Atomic Physics

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