Cascade and Stepwise Laser Spectroscopy of Alkali Atoms

  • W. Happer


A little more than one hundred years ago atomic spectroscopy began at Heidelberg with the work of Bunsen and Kirchnoff on the beautiful colors of flames seeded with salts of sodium and potassium. Intrigued by certain peculiar lines in the spectra of Durkheim mineral water, Bunsen evaporated forty tons of water to isolate the first small samples of rubidium and cesium salts. Remarkably, the properties of those same alkali atoms continue to fascinate us today, and I am going to talk about the surprising results of some recent experimental investigations of the fine structure and hyperfine structure of alkali atoms. Most of this work has been done by two talented young men, Rajendra Gupta of Columbia University and Sune Svanberg of Göteborg University. They have been assisted by a number of able students whom I will mention later.


Hyperfine Structure Alkali Atom Magnetic Resonance Signal Level Crossing Cascade Experiment 
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Copyright information

© Plenum Press, New York 1975

Authors and Affiliations

  • W. Happer
    • 1
  1. 1.Columbia UniversityNew YorkUSA

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