JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341
Evaluation of the Influence of the Monochromator on the Colorimetry of Light Sources
Tsutomu OkuraHaruo SugiyamaHiroshi IchikawaYasuo NakagawaKazuaki Ohkubo
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1997 Volume 81 Issue 5 Pages 399-405

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Abstract

We calculate and evaluate the influence of the monochromator on the colorimetry of light sources.
A spectroradiometric measurement is recommended to get accurate chromaticity coordinates of light sources in JIS Z 8724. In order to get x and y within 0.001 accuracy, we clarify that wavelength error must be within 0.5nm and intrinsic wavelength resolution must be within 5nm. In addition, we clarify that even when intrinsic wavelength resolution is not negligible, the relation between slit width and sampling interval derived by Watarai4) and Nakagawa5) , is valid.

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