1. Primary Atomic Frequency Standards at NIST
- Author
-
James C. Bergquist, Fred L. Walls, David J. Wineland, Thomas E. Parker, John J. Bollinger, Wayne M. Itano, D. M. Meekhof, Robert E. Drullinger, Jefferts, W D. Lee, and D. B. Sullivan
- Subjects
atomic clock ,Computer science ,fountain frequency standard ,Nuclear engineering ,Atomic frequency standard ,General Engineering ,stored-ion frequency standard ,Nanotechnology ,Frequency standard ,Atomic clock ,Article ,clock ,frequency ,cesium-beam frequency standard ,frequency standard ,cesium-fountain frequency standard ,NIST ,laser-cooling of atoms ,Standard uncertainty ,atomic frequency standard ,ion frequency standard ,time - Abstract
The development of atomic frequency standards at NIST is discussed and three of the key frequency-standard technologies of the current era are described. For each of these technologies, the most recent NIST implementation of the particular type of standard is described in greater detail. The best relative standard uncertainty achieved to date for a NIST frequency standard is 1.5×10(-15). The uncertainties of the most recent NIST standards are displayed relative to the uncertainties of atomic frequency standards of several other countries.
- Published
- 2016