Absolute absorption intensities of liquids: the FFT-based Hilbert transform can be as good as the Kramers-Kronig transform, if it is done properly

John E. Bertie; Shuliang L. Zhang

doi:10.1117/12.56486

1 March 1992 Absolute absorption intensities of liquids: the FFT-based Hilbert transform can be as good as the Kramers-Kronig transform, if it is done properly

John E. Bertie, Shuliang L. Zhang

Author Affiliations +

Proceedings Volume 1575, 8th Intl Conf on Fourier Transform Spectroscopy; (1992) https://doi.org/10.1117/12.56486
Event: Eighth International Conference on Fourier Transform Spectroscopy, 1991, Lubeck-Travemunde, Germany

Abstract

A soundly based procedure is presented for the correction of the variations that occur in the baselines of spectra obtained by transmission through a thin cell containing liquid. The correction significantly improves the precision of optical constants obtained from such spectra. The method is applied to the 1036 cm-1 band of benzene.

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John E. Bertie and Shuliang L. Zhang "Absolute absorption intensities of liquids: the FFT-based Hilbert transform can be as good as the Kramers-Kronig transform, if it is done properly", Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); https://doi.org/10.1117/12.56486

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