Optical Design and Engineering

Aspheric/freeform optical surface description for controlling illumination from point-like light sources

[+] Author Affiliations
José Sasián, Dmitry Reshidko, Chia-Ling Li

University of Arizona, College of Optical Sciences, 1630 East University Boulevard, Tucson, Arizona 85721, United States

Opt. Eng. 55(11), 115104 (Nov 25, 2016). doi:10.1117/1.OE.55.11.115104
History: Received September 13, 2016; Accepted November 4, 2016
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Abstract.  We present an optical surface in closed form that can be used to design lenses for controlling relative illumination on a target surface. The optical surface is constructed by rotation of the pedal curve to the ellipse about its minor axis. Three renditions of the surface are provided, namely as an expansion of a base surface, and as combinations of several base surfaces. Examples of the performance of the surfaces are presented for the case of a point light source.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

José Sasián ; Dmitry Reshidko and Chia-Ling Li
"Aspheric/freeform optical surface description for controlling illumination from point-like light sources", Opt. Eng. 55(11), 115104 (Nov 25, 2016). ; http://dx.doi.org/10.1117/1.OE.55.11.115104


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