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Diffusers, properties and performance in BSDF

Author: Gür, B. · Brug, H. van · Xu, M. · Vela Esparza, E.
Type:article
Date:2014
Publisher: SPIE
Source:Hanssen, L.M., 9205
Identifier: 523231
ISBN: 9781628412321
Article number: 92050A
Keywords: BSDF · Radiometric calibration · Calibration · Diffraction · Diffusers (optical) · Radiometry · Surface properties · Bi-directional · Experimental activities · Scattering functions · Surface scattering · High Tech Systems & Materials · Industrial Innovation · Physics & Electronics · OPT - Optics · TS - Technical Sciences

Abstract

The "Bi-Directional Scattering Function" BSDF of a diffuser depends on several parameters, such as surface properties, observational conditions and further. This paper describes experimental activities to achieve a better understanding about the interaction between diffuser properties and performance with regards to its scattering behavior. For this purpose a set of 24 diffusers with defined surface properties have been manufactured and systematically been investigated in a dedicated radiometric calibration measurement facility. The experimental data are compared with existing theoretical models.