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Joseph Reader

Joe has done research on the spectra of rare earth atoms, spectra of highly ionized atoms, hyperfine structure, and design of optical spectrometers. Current interests include spectra of ionized atoms of importance for diagnostics of controlled fusion plasmas (Zr VI, Nb IV, Mo VI), radiometry of fluorescent-lamp-type discharges in the ultraviolet, and critical compilations of atomic spectra (Ga, W, Ni-like ions).

Publication List



Guest Researcher
Quantum Measurement Division
Atomic Spectroscopy Group

Employment History:

National Institute of Standards and Technology, Guest Researcher 2014-Present; NIST Fellow 2011

Director, Atomic Energy Levels Project, NIST Data Center on Atomic Spectroscopy

Group Leader, Atomic Spectroscopy Group, NIST, 1998-2008

National Institute of Standards and Technology, 1963-Present

Chairman, National Research Council Committee on Line Spectra of the Elements, 1976-1979


University of California, Berkley, Ph.D., 1962

Fellow, American Physical Society

Fellow, Optical Society of AmericaSigma Xi, Honorary Society

Editor, "Line Spectra of the Elements," in Handbook of Chemistry and Physics, CRC Press, Annual Publication


Phone: 301-975-3222
Email: joseph.reader@nist.gov