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Conferences

A Careful Consideration of the Calibration Concept

Author(s)
Steven D. Phillips, William T. Estler, Theodore D. Doiron, K Eberhardt, M. Levenson
This paper is a detailed discussion of the technical aspects of the calibration process with emphasis on the definition of the measurand, the conditions under

Effects of Cleaning on the US Prototype Kilograms

Author(s)
Zeina J. Kubarych, R S. Davis
This paper dicusses the stability of national prototype kilograms No. 4 and No. 20, belonging to the United States. Calibration history, changes in mass with

A Single 199Hg+ Ion Optical Clock

Author(s)
James C. Bergquist, Christopher W. Oates, E A. Curtis, Leo W. Hollberg, Robert E. Drullinger, Wayne M. Itano, David J. Wineland, T Udem

Molecular Measuring Machine Design and Performance

Author(s)
John A. Kramar, Jay S. Jun, William B. Penzes, Vincent P. Scheuerman, Fredric Scire, E C. Teague
We have developed a metrology instrument called the Molecular Measuring Machine (M3) with the goal of performing two-dimensional point-to-point measurements

A U.S. Laser-Cooled Atomic-Clock System for Space

Author(s)
Donald Sullivan, Thomas P. Heavner, Leo W. Hollberg, D Meekhof, Thomas E. Parker, William D. Phillips, S L. Rolston, Hugh Robinson, Jon H. Shirley, F L. Walls, Neil Ashby, W Kepstein, L Maleki, D Seidel, R Q. Thompson, S Wu, L Young, R Vessot, E Mattison, A Demarchi
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