An inverse method for the design of TIR collimators to achieve a uniform color light beam

C.R. Prins, J.H.M. Thije Boonkkamp, ten, T.W. Tukker, W.L. IJzerman

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Abstract

Color over Angle (CoA) variation in the light output of white LEDs is a common and unsolved problem. In this article we introduce a new method to reduce CoA variation using a special collimator. The method is based on analytical inverse design methods. We present a numerical algorithm to solve the di¿erential equations arising from this method and verify the results using Monte-Carlo raytracing.
Original languageEnglish
Place of PublicationEindhoven
PublisherTechnische Universiteit Eindhoven
Number of pages20
Publication statusPublished - 2012

Publication series

NameCASA-report
Volume1209
ISSN (Print)0926-4507

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  • Cite this

    Prins, C. R., Thije Boonkkamp, ten, J. H. M., Tukker, T. W., & IJzerman, W. L. (2012). An inverse method for the design of TIR collimators to achieve a uniform color light beam. (CASA-report; Vol. 1209). Technische Universiteit Eindhoven.