Assessment of Lubricant Quality by Fiber-Coupled Fluorescence Spectroscopy
H. Omrani, D. Munzke, O. Reich, A. Dudelzak, H.-P. Loock
Fluorescence excitation-emission matrix spectroscopy is used to characterize lubricant quality. We use parallel factor (PARAFAC) analysis to correlate spectral features to antioxidant concentration and lubricant age.
Applied Industrial Optics: Spectroscopy, Imaging and Metrology 2013