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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 12, Iss. 2 — Feb. 1, 1926
  • pp: 75–77

The Luminous Properties Of The Black Body


JOSA, Vol. 12, Issue 2, pp. 75-77 (1926)

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The latest values for the constants of the black body are used, in conjunction with the Gibson-Tyndall luminous efficiency curve of the spectrum, to compute the luminous efficiency and brightness of the black body over a large range of temperatures. The value .00161 watts per lumen is used for the least mechanical equivalent of light. The computed values agree everywhere to within one per cent with the most recent experimental values.

HERBERT E. IVES, "The Luminous Properties Of The Black Body," J. Opt. Soc. Am. 12, 75-77 (1926)

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  1. For references covering this whole subject, see Ives, The Photometric Scale, Jour. Franklin Institute, 188, p. 217; 1919.
  2. Gibson and Tyndall, B. S. Sci. Paper, 475; 1923.
  3. Tyndall and Gibson, J. O. S. A. & R. S. I. 9, p. 403; 1924.
  4. Ives, Coblentz, and Kingsbury, Phys. Rev. 5, p. 269; 1915 and 6, p. 319; 1915.
  5. Holst and Visser, Proc. Kon. Akad. Amsterdam 20, p. 1036; 1918
  6. Hyde, Forsythe, and Cady, Phys. Rev. 13, p. 45; 1919.
  7. Ives, J. O. S. A. & R. S. I. 9, p. 635; 1924.

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