White Paper: Imaging

The Importance of Accurately Modeling Light Scattering Luminaire Design


The reflected and transmitted scattering of light in a luminaire can play a major role in the performance of the luminaire. Many times, this is the reason the actual luminaire performance does not match the results predicted in optical modeling, design, and analysis software. This paper, looks at some of the causes of light scattering in a luminaire, particularly scattering due to the surface roughness of reflectors. Modeling this scattered light is a key factor in obtaining accurate computer models and performance predictions during the design and development process. We will also look at how scatter is measured and how these measurements can be used to make accurate properties for use in the computer modeling phase of the design process.

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