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An innovative fiber optic setup for the scattering-free absorption spectroscopy of liquids is presented. It makes use of an integrating sphere that contains the sample under test, coupled to a fiber optic supercontinuum source and to a fiber optic spectrometer. The highly-bright broadband light shining on the sphere's surface is diffusely reflected and collected by the fiber-coupled spectrometric...
Absorption spectroscopy in the wide 200-1700 nm spectral range is carried out by means of optical fiber instrumentation to achieve an optical signature for a digital mapping of liquids according to their differences or similarities. Extra virgin olive oils from different Italian regions and lubricant oils from turbines with different degrees of degradation were considered as dasiacase studiespsila...
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