Key Points You Should Know About Fourier Transform Infrared Spectroscopy (FTIR) Fourier Transform Infrared Spectroscopy (FTIR), also known as FTIR Spectroscopy or Fourier Infrared Spectroscopy, is a type of infrared spectrometer that operates on the principle of Fourier transform of infrared light after interference.
The FTIR spectrometer functions by splitting light from a light source into two beams using a beam splitter, similar to a half mirror. One beam is directed...