Spectral ray data for optical simulations

Author:

Rotscholl Ingo1,Trampert Klaus2,Schmidt Franz1

Affiliation:

1. TechnoTeam Bildverarbeitung GmbH , Werner-von-Siemens-Strasse 5 , 98693 Ilmenau , Germany

2. Light Technology Institute, Karlsruhe Institute of Technology , Engesserstr. 13 , 76131 Karlsruhe , Germany

Abstract

Abstract This paper summarizes selected approaches, to generate spectral ray data for different types of spectrally varying light sources including only angular variable as well as spatial and angular variable sources. This includes a description of their general ideas and applications, the required measurements, and their mathematical concepts. Finally, achieved results for an Red/Green/Blue/White-light emitting diode (RGBW-LED) system are shown. Ray tracing simulations of a spatially and angularly spectral varying LED system combined with a spectrally sensitive optical system are qualitatively and quantitatively compared to a colorimetric far-field measurement of the same system. The results demonstrate the potential and benefits of spectral ray files in general.

Publisher

Walter de Gruyter GmbH

Subject

Instrumentation,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

Reference19 articles.

1. H.-J. J. Frasch and G. Steinmetz, Proc. SPIE 4769, 54–66 (2002).

2. E. H. Adelson and J. R. Bergen, in ‘Computational Models of Visual Processing’, (Vision and Modeling Group, Cambridge, MA, USA, 1991).

3. R. Dürr and U. Streppel, in ‘Proceedings of the International Light Simulation Symposium’, Nuremberg, 2012.

4. I. Rotscholl, ‘Spectral Near Field Data of LED Systems for Optical Simulation’, (KIT Scientific Publishing, Karlsruhe, 2018), http://dx.doi.org/10.5445/KSP/1000078518.

5. I. Ashdown, J. Illum. Eng. Soc. 22, 163–180 (1993).

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