Infrared Interferometry—Emission Spectra in the Middle-Infrared Region

  • Kee H. Rhee
  • Lauren R. Cousins


The advantages of interference spectroscopy have now been well established, following initial work by Fellgett,(1) Strong,(2) and others. Among the principal advantages of interferometers for spectroscopic work is the remarkable gain in sensitivity due to a simultaneous measurement of all spectral frequencies, independent of spectral slit width, and also due to a high throughput. However, the method requires a posteriori computation of the spectrum by a Fourier transformation from the measured interferogram. This transformation(3) can be a tremendous mathematical task, one that is feasible only with the aid of modern high-speed computers.


Wave Analyzer Optical Transformation Thermoplastic Resin Audio Frequency Spectral Slit Width 
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Copyright information

© Plenum Press, New York 1970

Authors and Affiliations

  • Kee H. Rhee
    • 1
  • Lauren R. Cousins
    • 1
  1. 1.Gulf Research & Development CompanyPittsburghUSA

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