Realization of a Laser Cooled Microwave Power Standard

Details Realization of a Laser Cooled Microwave Power Standard Realization of a Laser Cooled Microwave Power Standard

2005-03-15

arxiv.org/abs/physics/0503120v1

National Research Council, Canada, Report: 46685, 2005

Physics

Atomic Physics

Presented at the Conference on Precision Electromagnetic Measurements (CPEM 2002), Ottawa, ON. Canada, 16-21 June 2002

Scientific paper

We demonstrate the feasibility of a novel microwave power standard based on the electromagnetic interaction with laser-cooled atoms. Under the effect of the radiation, the internal state populations undergo a Rabi flopping oscillation. Measurement of the oscillation frequency allows the determination of the electromagnetic field strength. The measurements are made over a dynamic range of 18 dB and the standard deviation of the measurements is about 0.3%. The field strength was linear with the Rabi frequency within the accuracy of our measurements.

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