18 September 2013 Multiple intensity distributions from a single optical element
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Abstract
We report on an extension of the previously published two-step freeform optics tailoring algorithm using a Monge-Kantorovich mass transportation framework. The algorithm's ability to design multiple freeform surfaces allows for the inclusion of multiple distinct light paths and hence the implementation of multiple lighting functions in a single optical element. We demonstrate the procedure in the context of automotive lighting, in which a fog lamp and a daytime running lamp are integrated in a single optical element illuminated by two distinct groups of LEDs.
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Michael Berens, Michael Berens, Adrien Bruneton, Adrien Bruneton, Axel Bäuerle, Axel Bäuerle, Martin Traub, Martin Traub, Rolf Wester, Rolf Wester, Jochen Stollenwerk, Jochen Stollenwerk, Peter Loosen, Peter Loosen, } "Multiple intensity distributions from a single optical element", Proc. SPIE 8834, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X, 88340M (18 September 2013); doi: 10.1117/12.2026516; https://doi.org/10.1117/12.2026516
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