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Thad Walker

Thad Walker

Expert on the manipulation of atoms using light; associated laser and optical technologies

Professor, physics College of Letters and Science Work: 608-695-3922 — Home and cell phones available upon request Home page


  • Frequency narrowing and stabilization of diode lasers
  • Atom-based sensors, such as clocks, gyroscopes and magnetometers
  • Production of hyperpolarized noble gases using lasers
  • Laser cooling of atoms


  • Invention of frequency narrowed external cavity diode laser bars
  • Pioneer of laser-cooling technology
  • Record hyperpolarization of He-3 nuclei
  • Fellow, David and Lucille Packard Foundation, American Physical Society, Alfred P. Sloan Foundation