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Proceedings Paper

Instrumental Considerations In Infrared Biospectroscopy
Author(s): James O. Alben; Craig F. Heman; John J. Hill
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Paper Abstract

The 1959 cm-1 KBr impurity absorption in beamsplitters provides a convenient measurement of instability that may be used in conjunction with interferogram fluctuations to assess the total instrumental instability. Analysis of interferogram fluctuations led to environmental controls which reduced the KBr impurity band contribution in a ratioed spectrum to less than 0.9%, and facilitated measurement of sub-milliabsorbance infrared bands.

Paper Details

Date Published: 1 December 1989
PDF: 4 pages
Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); doi: 10.1117/12.969632
Show Author Affiliations
James O. Alben, Ohio State University (United States)
Craig F. Heman, Ohio State University (United States)
John J. Hill, University of Illinois (United States)


Published in SPIE Proceedings Vol. 1145:
7th Intl Conf on Fourier Transform Spectroscopy

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