Synopsis
Infrared spectroscopy as a vibrational spectroscopy.- Normal modes.- Light absorption by a molecule: 1. Understanding by quantum mechanical approach.- Selection rule of IR spectroscopy.- Light absorption by a molecule: 2. Understanding by electrodynamical approach.- Fundamentals of FT-IR.- Two representations of spectra: Time- and frequency-domain representations.- Fourier transform relationship.- Introduction of Michaelson interferometer.- Representative detectors.- Sampling techniques.- Surface analysis using FT-IR.- Boundary conditions in electrodynamics.- Thin-film approximation.- Surface selection rules for surface spectroscopies.- Chemometrics for FT-IR.- Limitation of Beer's law.- Expansion of Beer's law: CLS regression.- Inverse Beer's law: ILS regression.- Mathematical expansion of CLS: PCA.- Merge of ILS and PCA: PCR.- Independent residual terms: PLS.
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