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Proceedings Paper

Re-evaluation of spectrophotometric standard reference materials for additional geometries and wavelengths
Author(s): Patricia Yvonne Barnes; Edward A. Early
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Paper Abstract

Two types of mirrors and a glass are used as Standard Reference Materials to calibrate the specular reflectance scales of optical systems. While calibrations of these materials are routinely performed using the 6 degree/6 degree geometry, there has been an increased interest in the optical radiation measurement community for additional bidirectional geometries such as 30 degree/30 degree and 45 degree/45 degree. This paper reports the results of specular reflectance measurements of first surface aluminum and gold mirrors and polished black glass at wavelengths from 250 nm to 2250 nm. Supplemental measurements of wavelength standards are included to provide a comprehensive overview of the standards available for calibrating spectrophotometers.

Paper Details

Date Published: 8 October 1998
PDF: 8 pages
Proc. SPIE 3425, Optical Diagnostic Methods for Inorganic Transmissive Materials, (8 October 1998); doi: 10.1117/12.326656
Show Author Affiliations
Patricia Yvonne Barnes, National Institute of Standards and Technology (United States)
Edward A. Early, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 3425:
Optical Diagnostic Methods for Inorganic Transmissive Materials
Raju V. Datla; Leonard M. Hanssen, Editor(s)

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