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28 July 1981 Accurate Frequency And Intensity Measurements Of The Infrared Spectra Of Atmospheric Molecules
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Proceedings Volume 0277, Atmospheric Transmission; (1981)
Event: 1981 Technical Symposium East, 1981, Washington, D.C., United States
To realize the full potential of spectroscopic measurement techniques for atmospheric measurements, accurate frequency calibration is vital to obtaining species specificity, and good intensity data are necessary to quantify the number of molecules being observed. This paper will discuss the various problems and solutions found in infrared laboratory measure-ments on atmospheric molecules. The advantages and limitations of different measurement techniques and equipment will be discussed. Calibration techniques and measurement accuracy and precision will be emphasized. Frequency calibration aids will be presented including current and planned tables of absorption frequency standards being developed by the Bureau of Standards for the calibration of high resolution devices with an accuracy of ± 3 MHz. Intensity measurements are very susceptible to systematic errors and great care most be exercised in order to obtain accuracies better than ±;10%. It is even more difficult to know what is the accuracy of a given measurement. Recent efforts at providing accurate intensity data will be described.
© (1981) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Arthur G. Maki "Accurate Frequency And Intensity Measurements Of The Infrared Spectra Of Atmospheric Molecules", Proc. SPIE 0277, Atmospheric Transmission, (28 July 1981);


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