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Proceedings Paper

Errors of spectral correction caused by the diffusing element of the photometric meter head during illuminence measurement
Author(s): Irena Fryc
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Paper Abstract

This paper considers the spectral characteristics of photometric illuminance meter, consisting of a diffusing scren, spectral correction filters, and Si photodetector. Measured spectral characteristics of the diffuser are used. It is shown that a selective characteristic of the transmittance of the diffusing element affects the quality of the spectral correction. Calculated results for spectral correction errors are presented for a range of light sources and varying angles of incidence.

Paper Details

Date Published: 10 August 2001
PDF: 5 pages
Proc. SPIE 4517, Lightmetry: Metrology, Spectroscopy, and Testing Techniques Using Light, (10 August 2001); doi: 10.1117/12.435990
Show Author Affiliations
Irena Fryc, Bialystok Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 4517:
Lightmetry: Metrology, Spectroscopy, and Testing Techniques Using Light

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