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Proceedings Paper

Optical system design for a reflector-based LED food lighting module
Author(s): Axel Bäuerle; Claus Schnitzler; Rolf Wester; Martin Kirsten; Henning Schlüter; Michael Tewes; Hans Laschefski; Peter Loosen
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Paper Abstract

We report on the development and experimental analysis of an LED lighting module for use in a high-end food lighting environment which puts high demands on color homogeneity and color rendering. The system is built from highly reflecting and partly scattering PVD coated metal reflector sheet that has limited deformability and uses RGBW LEDs. We develop an optical design that is adapted to allow for color mixing and to take into account manufacturing constraints and include this into a prototypical module. Results of measurements and field tests are in good agreement with simulations.

Paper Details

Date Published: 23 September 2011
PDF: 7 pages
Proc. SPIE 8123, Eleventh International Conference on Solid State Lighting, 812306 (23 September 2011); doi: 10.1117/12.893688
Show Author Affiliations
Axel Bäuerle, RWTH Aachen (Germany)
Fraunhofer Institute for Laser Technology (Germany)
Claus Schnitzler, RWTH Aachen (Germany)
Rolf Wester, Fraunhofer Institute for Laser Technology (Germany)
Martin Kirsten, Bäro GmbH & Co. KG (Germany)
Henning Schlüter, Alux-Luxar GmbH & Co. KG (Germany)
Michael Tewes, Alux-Luxar GmbH & Co. KG (Germany)
Hans Laschefski, Alanod Aluminium-Veredlung GmbH & Co. KG (Germany)
Peter Loosen, RWTH Aachen (Germany)
Fraunhofer Institute for Laser Technology (Germany)


Published in SPIE Proceedings Vol. 8123:
Eleventh International Conference on Solid State Lighting
Matthew H. Kane; Christian Wetzel; Jian-Jang Huang, Editor(s)

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