Fourier transform Raman spectroscopy : Fourier transform infrared spectroscopy Fourier transform spectroscopy Fourier transform infrared spectroscopy. Fourier Transform Infrared spectroscopy Fourier transform infrared spectroscopy : Fourier transform spectroscopy. Fourier transform N.M.R. spectroscopy / Fourier Transform Infrared Spectroscopy Fourier transform mass spectrometry :