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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 13 — Jun. 18, 2012
  • pp: 14477–14485

Algorithm for irradiance tailoring using multiple freeform optical surfaces

Axel Bäuerle, Adrien Bruneton, Rolf Wester, Jochen Stollenwerk, and Peter Loosen  »View Author Affiliations

Optics Express, Vol. 20, Issue 13, pp. 14477-14485 (2012)

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The design of freeform lenses and reflectors allows to achieve non-radially symmetric irradiance distributions whilst keeping the optical system compact. In the case of a point-like source, such as an LED, it is often desired to capture a wide angle of source light in order to increase optical efficiency. This generally results in strongly curved optics, requiring both lens surfaces to contribute to the total ray refraction, and thereby minimising Fresnel losses. In this article, we report on a new design algorithm for multiple freeform optical surfaces based on the theory of optimal mass transport that adresses these requirements and give an example of its application to a problem in general lighting.

© 2012 OSA

OCIS Codes
(080.1753) Geometric optics : Computation methods
(220.2945) Optical design and fabrication : Illumination design
(080.4225) Geometric optics : Nonspherical lens design
(080.4298) Geometric optics : Nonimaging optics

ToC Category:
Geometric Optics

Original Manuscript: March 29, 2012
Revised Manuscript: May 8, 2012
Manuscript Accepted: May 31, 2012
Published: June 13, 2012

Axel Bäuerle, Adrien Bruneton, Rolf Wester, Jochen Stollenwerk, and Peter Loosen, "Algorithm for irradiance tailoring using multiple freeform optical surfaces," Opt. Express 20, 14477-14485 (2012)

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