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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1945–1947

Limitations of the ray mapping approach in freeform optics design

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

Optics Letters, Vol. 38, Issue 11, pp. 1945-1947 (2013)

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It was previously demonstrated by Bäuerle et al. [Opt. Express 20, 14477 (2012)] that the computation of ray paths through the optical system (ray mapping) can be used to design multisurface freeform optical elements creating a prescribed irradiance pattern for a zero-étendue source. The procedure outlined there uses the heuristic step of reducing the ray mapping’s curl to improve adherence to surface integrability criteria. This Letter formally derives a quantitative estimate for the limitations of this approach in the collimated case and shows the key factors influencing the quality of the final optics.

© 2013 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(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 19, 2013
Revised Manuscript: April 24, 2013
Manuscript Accepted: May 5, 2013
Published: May 28, 2013

Adrien Bruneton, Axel Bäuerle, Rolf Wester, Jochen Stollenwerk, and Peter Loosen, "Limitations of the ray mapping approach in freeform optics design," Opt. Lett. 38, 1945-1947 (2013)

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  1. A. Bäuerle, A. Bruneton, R. Wester, J. Stollenwerk, and P. Loosen, Opt. Express 20, 14477 (2012). [CrossRef]
  2. W. A. Parkyn, Proc. SPIE 3482, 389 (1998). [CrossRef]
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  8. J.-C. Miñano and P. Benítez, Proc. SPIE 5529, 87 (2004).

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Fig. 1. Fig. 2.

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