Optical EngineeringInfluence of aberrations of a Fourier transform infrared spectrometer optical system on measurement errors
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The monochromatic response as a Fourier transform infrared (FTIR) spectrometer apparatus functions is determined to estimate the influence of optical system aberrations on the measurement precision. Exemplary results for the third-order spherical aberration are presented. General conclusions concerning the influence of wave aberrations in the spectrometer channel with moving mirror are formulated.