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Boosting Precision and Stability of Optical Lattice Clocks

Patricia Daukantas

A Japanese team has learned how to improve the stability of an optical lattice clock by defeating one of the last remaining noise sources in the system.

 

Scatterings image(Left to right) Masao Takamoto, Hidetoshi Katori and Tetsushi Takano with the clock chamber (far left) and associated equipment.

Optical lattice clocks use a large number of atoms trapped in a laser interference pattern to provide a high level of timekeeping accuracy. A Japanese team has learned how to improve the stability of this type of clock by defeating one of the last remaining noise sources in the system.

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Publish Date: 01 July 2011


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