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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 23, Iss. 10 — Oct. 1, 1933
  • pp: 375–377

Optics InfoBase > JOSA > Volume 23 > Issue 10 > The Optical Properties of Metallic and Crystalline Powders

The Optical Properties of Metallic and Crystalline Powders

A. H. PFUND  »View Author Affiliations

JOSA, Vol. 23, Issue 10, pp. 375-377 (1933)

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The method of preparing finely divided metallic “blacks” is described and measurements on the transparency of these blacks in the infrared are presented. The use of sodium and thallium chlorides, distilled as finely divided powders on radiometer vanes, yields a selective receiver the far infrared. A new type of transmission band, shown by coarse powders of quartz and calcite is described.

A. H. PFUND, "The Optical Properties of Metallic and Crystalline Powders," J. Opt. Soc. Am. 23, 375-377 (1933)

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  1. A. H. Pfund, Rev. Sci. Inst. 1, 379 (1930).
  2. A. H. Pfund, J.O.S.A. 22, 281 (1932).
  3. A. H. Pfund, Phys. Rev. 36, 71 (1930).
  4. Rubens and Hagen, Ann. d. Physik 11, 873 (1903).
  5. Smithsonian Tables, p. 323 (1929).
  6. Pfund and Silverman, Phys. Rev. 39, 64 (1931).

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