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Applied Optics

Applied Optics


  • Vol. 6, Iss. 9 — Sep. 1, 1967
  • pp: 1473–1477

Degree of Applicability and Consequences of Inappropriate Use of Units of Light

JoAnn S. Kinney  »View Author Affiliations

Applied Optics, Vol. 6, Issue 9, pp. 1473-1477 (1967)

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Since light is defined quantitatively as radiant energy evaluated according to the CIE photopic luminosity curve, ordinary light units are inappropriate whenever the organism’s spectral sensitivity differs markedly from the CIE curve. Examples of differing spectral sensitivities include those of animals, of color defective individuals, and curves for all individuals under low light levels or with large fields. Calculations are presented of the amount of error involved when units of light are used for these inappropriate conditions; alternative solutions to the problem are discussed.

© 1967 Optical Society of America

Original Manuscript: June 14, 1967
Published: September 1, 1967

JoAnn S. Kinney, "Degree of Applicability and Consequences of Inappropriate Use of Units of Light," Appl. Opt. 6, 1473-1477 (1967)

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