Spectral library searching and FT-IR/FT-Raman spectroscopies: effects of resolution and search algorithms

Michael P. Fuller; Robert J. Rosenthal

doi:10.1117/12.166655

31 January 1994 Spectral library searching and FTIR/FT-Raman spectroscopies: effects of resolution and search algorithms

Michael P. Fuller, Robert J. Rosenthal

Author Affiliations +

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166655
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

Abstract

Commercial infrared and Raman spectral libraries are generally only available at 16 cm^-1 resolution by 8-bit ordinate precision. This is relatively low resolution compared to the typical spectrum acquired at 4 cm^-1 by 16-bit precision. The low resolution format for libraries was selected to optimize library search speeds and reduce computer hardware requirements. Full 4 cm^-1 spectral libraries offer a number of advantages including the positive identification of closely related compounds and greatly improved results when using spectral subtractions.

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Michael P. Fuller and Robert J. Rosenthal "Spectral library searching and FTIR/FT-Raman spectroscopies: effects of resolution and search algorithms", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166655

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