Abstract

The scattering is inferred from transmission measurements carried out on transparent particles of zinc oxide and other finely divided crystals. Rayleigh’s law of scattering is obeyed for the smallest particles of 0.088μ diameter but not for larger particles. Conclusions as to particle size and size distribution are drawn from the transmission curves. The effect of varying the refractive index of the medium surrounding the particles on the transmission curves is found to be in accord, qualitatively, with Rayleigh’s formula.

© 1934 Optical Society of America

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References

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  1. Gehman and Morris, Ind. and Eng. Chem. Anal. Ed., p. 157, April, 1932.
    [Crossref]
  2. Gamble and Pfund, J.O.S.A. 23, 416 (1933).
    [Crossref]
  3. Prepared by Mr. Clyde Hall of the Research Laboratory of the New Jersey Zinc Company.
  4. I am indebted to Mr. C. Hall for these careful measurements.
  5. Wien-Harms Handbuch d. Exptl. Physik19, 368, (Gans).

1933 (1)

Gamble and Pfund, J.O.S.A. 23, 416 (1933).
[Crossref]

1932 (1)

Gehman and Morris, Ind. and Eng. Chem. Anal. Ed., p. 157, April, 1932.
[Crossref]

Gamble,

Gamble and Pfund, J.O.S.A. 23, 416 (1933).
[Crossref]

Gehman,

Gehman and Morris, Ind. and Eng. Chem. Anal. Ed., p. 157, April, 1932.
[Crossref]

Morris,

Gehman and Morris, Ind. and Eng. Chem. Anal. Ed., p. 157, April, 1932.
[Crossref]

Pfund,

Gamble and Pfund, J.O.S.A. 23, 416 (1933).
[Crossref]

Ind. and Eng. Chem. Anal. Ed. (1)

Gehman and Morris, Ind. and Eng. Chem. Anal. Ed., p. 157, April, 1932.
[Crossref]

J.O.S.A. (1)

Gamble and Pfund, J.O.S.A. 23, 416 (1933).
[Crossref]

Other (3)

Prepared by Mr. Clyde Hall of the Research Laboratory of the New Jersey Zinc Company.

I am indebted to Mr. C. Hall for these careful measurements.

Wien-Harms Handbuch d. Exptl. Physik19, 368, (Gans).

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Equations (2)

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I = I 0 exp [ 4 π 2 ( n 2 - n 0 2 ) 2 / ( n 2 + 2 n 0 2 ) 2 N V 2 / λ 4 ] ,
K d 3 / λ 4 .