Pacific Northwest National Laboratory (PNNL) is presently compiling a quantitative, high spectral resolution (0.10 cm/sup -1/) set of infrared reference data that are specifically designed for atmospheric monitoring, remote sensing, and hyperspectral imaging. The final list of target compounds will contain nearly 500 gas-phase species, whereby each species is reported as a composite reference spectrum at 25/spl deg/C, with most species also having reference data for 5/spl deg/C and 50/spl deg/C. Each composite spectrum is a quantitative Beer's law fit to typically 10 or more individual infrared measurements, whereby each individual spectrum corresponds to a different partial pressure of the sample that has been pressurized to 760 torr with N/sub 2/ so as to emulate atmospheric pressure broadening. Details of the data acquisition protocol and spectral analysis are discussed.


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    Title :

    The PNNL quantitative IR database for infrared remote sensing and hyperspectral imaging


    Contributors:
    Sharpe, S.W. (author) / Sams, R.L. (author) / Johnson, T.J. (author)


    Publication date :

    2002-01-01


    Size :

    265500 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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