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Joseph N. Tan

Research Interests

  • trapping, cooling, and spectroscopy of exotic ions
  • order in plasmas cooled to low temperature (& driven far from equilibrium)
  • precision measurements and tests of QED or the standard model
Joseph N. Tan


Quantum Measurement Division
Atomic Spectroscopy Group

Employment History:

2003-Present Staff Physicist, NIST, Gaithersburg, MD
1998-2002 Harvard Research Associate, ATRAP Collaboration, Center for European Nuclear Research (CERN)
Highlight: Background-free observation of cold antihydrogen production and the first glimpse of its internal states
1996-1997 Scientist, Frequency and Time Systems, Datum Corp.,
1994-1995 Colorado State University Fellow, NIST, Boulder
Highlight: Bragg diffraction from crystallized ion plasmas, Science 279, p.686-689 (1998).
1992-1994 JILA Fellow, National Institute of Standards and Technology, Boulder


1992 Ph.D. Physics, Harvard University
Thesis Title: "Cooperative Behavior in Cavity-cooled, Parametrically-pumped Electron Oscillators" (a finalist of the first DAMOP Thesis award)
1986 M.S. Physics, University of Washington, Seattle
1985-1986 University of Washington Arts and Sciences Fellow
1984-1985 Instructor I, University of the Philippines, Diliman
1983 B.S. Physics, University of the Philippines, Diliman

Phone: 301-975-8985
Email: joseph.tan@nist.gov