Abstract

A simplified method is described for computation of Kubelka-Munk coefficients from internal transmittance measurements of two specimens of the same material where one specimen is twice as thick as the other. Equations are derived for determining the scattering coefficient <i>S</i>, the absorption coefficient <i>K</i>, the Kubelka parameters <i>a</i> and <i>b</i>, the internal transmittance τ<sub>i</sub>, the reflectance of an infinitely thick specimen ρ∞, and the reflectance of a specimen with an ideal black background ρ0. Graphs are given to estimate the range of error of ρ∞, <i>S</i>, and <i>K</i> as a function of estimated errors of measurement of transmittance.

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  1. P. Kubelka and F. Munk, Z. Tech. Physik 12, 593 (1931).
  2. F. A. Steele, Paper Trade J. 100, 37 (1935).
  3. P. Kubelka, J. Opt. Soc. Am. 38, 448 (1948).
  4. D. B. Judd, J. Res. Natl. Bur. Std. (U. S.) 19, 287 (1937).
  5. D. B. Judd, Paper Trade J. 106, 5 (1938).

Judd, D. B.

D. B. Judd, J. Res. Natl. Bur. Std. (U. S.) 19, 287 (1937).

D. B. Judd, Paper Trade J. 106, 5 (1938).

Kubelka, P.

P. Kubelka and F. Munk, Z. Tech. Physik 12, 593 (1931).

P. Kubelka, J. Opt. Soc. Am. 38, 448 (1948).

Munk, F.

P. Kubelka and F. Munk, Z. Tech. Physik 12, 593 (1931).

Steele, F. A.

F. A. Steele, Paper Trade J. 100, 37 (1935).

Other (5)

P. Kubelka and F. Munk, Z. Tech. Physik 12, 593 (1931).

F. A. Steele, Paper Trade J. 100, 37 (1935).

P. Kubelka, J. Opt. Soc. Am. 38, 448 (1948).

D. B. Judd, J. Res. Natl. Bur. Std. (U. S.) 19, 287 (1937).

D. B. Judd, Paper Trade J. 106, 5 (1938).

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