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Proceedings Paper

Principles of bispectral fluorescence colorimetry
Author(s): James E. Leland; Norbert L. Johnson; Angelo V. Arecchi
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Paper Abstract

The complete and accurate colorimetric characterization of fluorescent materials requires the use of a 'bispectrometer;' a two-monochromator instrument designed to provide a two- dimensional matrix of bispectral radiance factor values for any given sample. This paper presents the general principles of operation, and a definition of the properties measured by such an instrument; expressing the actual physical quantities measured as an approximation to corresponding theoretical quantities. Approaches to calibration are outlined, with particular attention to the need for separation of reflected and luminescent components. Finally, this paper describes the calculations required to reduce the bispectral data produced by the instrument to more familiar colorimetric terms.

Paper Details

Date Published: 26 September 1997
PDF: 12 pages
Proc. SPIE 3140, Photometric Engineering of Sources and Systems, (26 September 1997); doi: 10.1117/12.284094
Show Author Affiliations
James E. Leland, Labsphere, Inc. (United States)
Norbert L. Johnson, 3M Co. (United States)
Angelo V. Arecchi, Labsphere, Inc. (United States)


Published in SPIE Proceedings Vol. 3140:
Photometric Engineering of Sources and Systems
Angelo V. Arecchi, Editor(s)

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