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How to Deal with Some Spurious Fringes in Fourier Transform Infrared Spectrometers

Volume 62, Number 10 (Oct. 2008) Page 1167-1171

Max, Jean-Joseph; Chapados, Camille


Faulty fringes coming from an infrared spectrometer may creep into a spectrum. Because these come from one faulty interferogram out of many used to obtain the spectrum, these may pass unnoticed. However, they cause some problems in the data treatment of factor analysis and other spectral analysis. We present a method for detecting the faulty fringes and give a simple method to eliminate them at the interferogram accumulation level.