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.
Measuring Spatially Varying Transmittance Of A Filter
NASA Tech Briefs ; 16 , 9
01.09.1992
Sonstige
Keine Angabe
Englisch
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