Designing illumination lenses and mirrors by the numerical solution of Monge–Ampère equations: publisher’s note

In many illumination problems, the beam pattern needed and/or some geometrical constraints lead to very asymmetric design conditions. These asymmetries have been solved in the past by means of arrangements of rotationally symmetric or linear lamps aimed in different directions whose patterns overlap to provide the asymmetric prescriptions or by splitting one single lamp into several sections, each one providing a part of the pattern. The development of new design methods yielding smooth continuous free-form optical surfaces to solve these challenging design problems, combined with the proper CAD modeling tools plus the development of multiple axes diamond turn machines, give birth to a new generation of optics. These are able to offer the performance and other advanced features, such as efficiency, compactness, or aesthetical advantages, and can be manufactured at low cost by injection molding. This paper presents two examples of devices with free-form optical surfaces, a camera flash, and a car headlamp.

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Free-form illumination optics

Mohedano

Chaves

Hernández

2016

Advanced Optical Technologies

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Designing illumination lenses and mirrors by the numerical solution of Monge–Ampère equations: publisher’s note

Abstract: Production errors in the published version of J. Opt. Soc. Am. A32, 2227 (2015)JOAOD60740-323210.1364/JOSAA.32.002227 are reported in this note. The errors involve the rendering and content of the mathematics and some of the references and their citations.

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Free-form illumination optics

Free-form illumination optics

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