Accuracy of an Atomic Microwave Power Standard
Atomic Physics
2007-05-23 v3 Instrumentation and Detectors
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.
Cite
@article{arxiv.physics/0503111,
title = {Accuracy of an Atomic Microwave Power Standard},
author = {David C. Paulusse and Nelson L. Rowell and Alain Michaud},
journal= {arXiv preprint arXiv:physics/0503111},
year = {2007}
}
Comments
5 figures