USNO Clock Development

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Cesium Atomic Fountain Clock The original Clock Development R&D; project. This page contains some background on laser cooling and trapping, and general fountain geometry. Rubidium Atomic Fountain Clock The next iteration of the fountain project. This page contains current status of assembly and testing of the Rubidium Fountain. Linear Ion Trap Clock (LITE) The Mercury Linear Ion Trap, from JPL. Recent papers Papers and posters from recent conferences such as IEEE Frequency Control Symposium (FCS), the European Frequency and Time Forum (EFTF), Precise Time and Time Interval (PTTI) and the Symposium on Frequency Standards and Metrology (FSM)

What We Do The Clock Development Division is tasked with researching and developing emerging clock technologies for incorporation into the USNO clock ensemble.

Questions and comments may be directed to theanswerguy at atom.usno.navy.mil

You can go to the Time Service main page.

These pages last updated 8/13/04

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