Influence of optical aberrations on the accuracy of Fourier transform infrared spectrometer

Romulad Jozwicki; Marek Kosycarz

doi:10.1117/12.301338

1 January 1998 Influence of optical aberrations on the accuracy of Fourier transform infrared spectrometer

Romulad Jozwicki, Marek Kosycarz

Proceedings Volume 3320, Tenth Polish-Czech-Slovak Optical Conference: Wave and Quantum Aspects of Contemporary Optics; (1998) https://doi.org/10.1117/12.301338
Event: Tenth Polish-Czech-Slovak Optical Conference: Wave and Quantum Aspects of Contemporary Optics, 1996, Karpacz, Poland

Abstract

The influence of aberrations (spherical aberration and wavefront tilt) of the optical system of a Fourier transform infrared spectrometer (FTIR) spectrometer on the measurement precision is presented. The computer simulation of the Michelson interferometer operation has been performed. Two cases are considered. In the first case an aberrated wave was introduced in the movable arm only, while in the second one the aberrated waves were present in both arms. Successively the Fourier interferogram at the detector plane was obtained vs. displacement of the interferometer mirror, and the fast Fourier transform was applied to recover the original spectrum. The spectrum distorted by aberrations was compared with the results of the ideal spectrometer to determine errors introduced by imperfections of the optical system.

Citation Download Citation

Romulad Jozwicki and Marek Kosycarz "Influence of optical aberrations on the accuracy of Fourier transform infrared spectrometer", Proc. SPIE 3320, Tenth Polish-Czech-Slovak Optical Conference: Wave and Quantum Aspects of Contemporary Optics, (1 January 1998); https://doi.org/10.1117/12.301338

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