Abstract
An infrared (IR) optical scattering instrument for BRDF measurement has been developed at NIST with out-of-plane and retro-reflection capabilities. In this paper, a description of the BRDF instrument, its use of multi-wavelength sources (785 nm-10.6 µm) and a retro-reflection measurement capability, and alignment techniques using a quadrant detector are presented. The related alignment results for the in- and out-of-plane geometries and reflectance of a gold mirror versus incident angle are also reported. The results of BRDF measurements for a concentric groove graphite radiator in the retro-reflection configuration are demonstrated.
© 2005 Optical Society of America
PDF ArticleMore Like This
Joshua Gordon and Neil Beaudry
FTuZ4 Frontiers in Optics (FiO) 2005
W.S. Rabinovich, P.G. Goetz, R. Mahon, L Swingen, J. Murphy, G. C. Gilbreath, S. Binari, and E. Waluschka
PThD2 Photonic Applications Systems Technologies Conference (CLEO:A&T) 2005
Derrick R. Chou and Adam P. Wax
CThC4 Conference on Lasers and Electro-Optics (CLEO:S&I) 2005