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http://dx.doi.org/10.3807/KJOP.2010.21.2.046

Measurement System of Bidirectional Reflectance-distribution Function  

Hwang, Ji-Soo (Center for Temperature & Light, Division of Physical Metrology, Korea Research Institute of Standards and Science)
Publication Information
Korean Journal of Optics and Photonics / v.21, no.2, 2010 , pp. 46-52 More about this Journal
Abstract
A theory of bidirectional reflectance-distribution function (BRDF), a newly developed BRDF measurement system, and a method for evaluating the uncertainty of BRDF measurements are presented. The BRDF measurement system which measures BRDF in a wavelength range of (380~1500) nm with an angle range of $(-75{\sim}75)^{\circ}$ was installed. The measurement uncertainties, consisting of correlated terms and uncorrelated terms, were evaluated for the BRDF measurement system, resulting in the relative expanded uncertainty less than 3% (k=2).
Keywords
Bidirectional reflectance-distribution function; Bidirectional reflectance factor;
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