Characterization of instrumental line shape distortions due to path difference dependent phase errors in a Fourier transform spectrometer

Year: 2000

Authors: Bianchini G., Raspollini P.

Autors Affiliation: Ist. Ric. sulle Onde E., Gruppo Stratosfera, Via P., Florence, Italy; Department of Physics, Univ. Studi Firenze, Largo E. F., Florence, Italy

Abstract: In Fourier transform spectroscopy, path difference dependent misalignments, such as those due to imperfect mechanical/movement of the scanning mirror, can be modelled as path difference dependent apodization and phase errors. The theoretical model that relates the mirror drive characteristics to the path difference dependent error is used to verify the consistency of the optical instrument line shape with the measurements of the mechanical drive quality. This procedure can be used as a diagnostic and qualification tool.

Journal/Review: INFRARED PHYSICS & TECHNOLOGY

Volume: 41 (5)      Pages from: 287  to: 292

KeyWords: Error analysis; Fourier transform infrared spectroscopy; Mathematical models, Instrumental line shape (ILS); Phase errors, Infrared spectrometers
DOI: 10.1016/S1350-4495(00)00048-7

ImpactFactor: 0.701
Citations: 10
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