Focusing/collimating-and-scanning apparatus adapts spectro-photometer to spectral transmittance of optical filter as function of position on filter. Mounted in sample chamber of spectrophotometer. All-reflective microscope objectives focus quasi-collimated light onto desired spot and recollimate diverging light emerging from filter. Measurements made in infrared, visible, or ultraviolet.


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    Title :

    Measuring Spatially Varying Transmittance Of A Filter


    Contributors:

    Published in:

    Publication date :

    1992-09-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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