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Applied Optics

Applied Optics


  • Vol. 24, Iss. 14 — Jul. 15, 1985
  • pp: 2225–2230

Laboratory intercomparison study of pressed polytetrafluoroethylene powder reflectance standards

V. R. Weidner, J. J. Hsia, and B. Adams  »View Author Affiliations

Applied Optics, Vol. 24, Issue 14, pp. 2225-2230 (1985)

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The object of this paper is to present results of several experiments relating to the preparation and use of pressed polytetrafluoroethylene (PTFE) powder as a diffuse reflectance standard for the 200–2500-nm spectral range. These experiments include two round-robin intercomparisons involving nine laboratories. These round-robin experiments provided data on the variability of the reflectance of pressed PTFE reflectance standards prepared in different laboratories. Results of these measurements provided insight into the problems associated with the PTFE standards and helped to establish what practices needed to be standardized to improve interlaboratory agreement for diffuse reflectance measurements.

© 1985 Optical Society of America

Original Manuscript: January 18, 1985
Published: July 15, 1985

V. R. Weidner, J. J. Hsia, and B. Adams, "Laboratory intercomparison study of pressed polytetrafluoroethylene powder reflectance standards," Appl. Opt. 24, 2225-2230 (1985)

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  1. F. Grum, M. Saltzman, P-75-77 New White Standard of Reflectance, CIE Publication 36, (Paris, 1976), p. 91.
  2. V. R. Weidner, J. J. Hsia, “Reflection Properties of Pressed Polytetrafluoroethylene Powder,” J. Opt. Soc. Am. 71, 856 (1981). [CrossRef]
  3. E. Schatz, “Effects of Pressure on the Reflectance of Compacted Powders,” J. Opt. Soc. Am. 56, 389 (1966). [CrossRef]
  4. W. H. Venable, J. J. Hsia, V. R. Weidner, “Establishing a Scale of Directional-Hemispherical Reflectance Factor I: The Van den Akker Method,” J. Res. Natl. Bur. Stand. 82, 29 (1977). [CrossRef]
  5. D. G. Goebel, B. P. Caldwell, H. K. Hammond, “Use of an Auxiliary Sphere with a Spectroreflectometer to Obtain Absolute Reflectance,” J. Opt. Soc. Am. 56, 783 (1966). [CrossRef]

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