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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 40, Iss. 12 — Dec. 1, 1950
  • pp: 817–818

An Illuminant-Converting Filter for Use with the Automatic Tristimulus Integrator

H. R. DAVIDSON, I. H. GODLOVE, J. M. LAMBERT, and G. J. WRIGHT  »View Author Affiliations


JOSA, Vol. 40, Issue 12, pp. 817-818 (1950)
http://dx.doi.org/10.1364/JOSA.40.000817


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Abstract

If a suitable filter is placed in the sample beam of the recording spectrophotometer, the automatic tristimulus integrator may be used for calculations based on illuminants other than Illuminant C without a change in the cams. Instructions for making a filter for use in calculating tristimulus values based on an illuminant approximating Illuminant A are given.

Citation
H. R. DAVIDSON, I. H. GODLOVE, J. M. LAMBERT, and G. J. WRIGHT, "An Illuminant-Converting Filter for Use with the Automatic Tristimulus Integrator," J. Opt. Soc. Am. 40, 817-818 (1950)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-40-12-817


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References

  1. H. R. Davidson and L. W. Imm, J. Opt. Soc. Am. 39, 942 (1949).
  2. A. C. Hardy, Handbook of Colorimetry (Technology Press, Cambridge, Massachusetts, 1936).
  3. See reference 2, Table V.
  4. Polarization caused by the Cellophane is corrected on our spectrophotometer by means of a retardation plate. See G. L. Buc and E. I. Sterns; J. Opt. Soc. Am. 35, 458 (1945).

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