Finite resolution and apodization in FT-Raman spectra

Philip B. Tooke; V. Patel; K. P.J. Williams; Stewart F. Parker

doi:10.1117/12.56364

1 March 1992 Finite resolution and apodization in FT-Raman spectra

Philip B. Tooke, V. Patel, K. P.J. Williams, Stewart F. Parker

Proceedings Volume 1575, 8th Intl Conf on Fourier Transform Spectroscopy; (1992) https://doi.org/10.1117/12.56364
Event: Eighth International Conference on Fourier Transform Spectroscopy, 1991, Lubeck-Travemunde, Germany

Abstract

The effects that finite resolution and choice of apodisation function have on Fourier transform (FT) Raman spectra are illustrated by the 839 cm-1 ((nu) 1) and 914 cm-1 ((nu) 3) bands of KMnO4. FT-Raman spectra were recorded at 0.5, 2, 4, 8, and 16 cm-1 resolution using boxcar, Norton-Beer (medium) and triangular apodisation functions at each resolution. The results show that the dramatic changes in bandshape that occur as the ratio (resolution/true full width at half height of band) increases is strongly dependent on the choice of the apodisation function.

Citation Download Citation

Philip B. Tooke, V. Patel, K. P.J. Williams, and Stewart F. Parker "Finite resolution and apodization in FT-Raman spectra", Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); https://doi.org/10.1117/12.56364

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