Measurement of Optical Frequency

  • F. G. Major


The early development of lasers was marked not only by the explosive proliferation of laser oscillation on different atomic and molecular transitions, but also by efforts to stabilize them and narrow their spectral line width. This was driven by the realization that the very attribute that makes the laser so remarkable is the one that still left room for spectacular improvement: spectral purity. The fundamental quantum limit on spectral purity far exceeds that of any common laser, subject to fluctuations in its optical cavity. Early success in stabilizing gaseous lasers made possible a number of important applications: from high-resolution interferometry to detect continental drift and seismic waves, to high-resolution spectroscopy.


Optical Frequency Phase Match Condition Spectral Purity Microwave Region Hyperfine Component 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • F. G. Major
    • 1
  1. 1.Severna ParkUSA

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