Tailored freeform optical surfaces

Freeform optical surfaces embedded in three-dimensional space, without any symmetry, are tailored so as to solve the archetypal problem of illumination design: redistribute the radiation of a given small light source onto a given reference surface, thus achieving a desired irradiance distribution on...

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Veröffentlicht in:Journal of the Optical Society of America. A, Optics, image science, and vision Optics, image science, and vision, 2002-03, Vol.19 (3), p.590-595
Hauptverfasser: Ries, Harald, Muschaweck, Julius
Format: Artikel
Sprache:eng
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Beschreibung
Zusammenfassung:Freeform optical surfaces embedded in three-dimensional space, without any symmetry, are tailored so as to solve the archetypal problem of illumination design: redistribute the radiation of a given small light source onto a given reference surface, thus achieving a desired irradiance distribution on that surface. The shape of the optical surface is found by solving a set of partial nonlinear differential equations. For most cases, a few topologically distinct solutions exist, given suitable boundary conditions.
ISSN:1084-7529
1520-8532
DOI:10.1364/JOSAA.19.000590