7 September 2016 Freeform multifocal lenses designed with the SQM: geometry and diffraction
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Design of freeform refractive lenses is known to be a difficult inverse problem. But solutions, if available, can be very useful, especially in devices required to redirect and reshape the radiance of the source into an output irradiance redistributed over a given target according to a prescribed pattern. In this report we present results of theoretical and numerical analysis of refractive lenses designed with the Supporting Quadric Method. It is shown that such freeform lenses have a particular simple geometry and qualitatively their diffractive properties are comparable with rotationally symmetric lenses designed with classical methods.
Conference Presentation
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Vladimir Oliker, Vladimir Oliker, } "Freeform multifocal lenses designed with the SQM: geometry and diffraction", Proc. SPIE 9955, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XIII—Commemorating the 50th Anniversary of Nonimaging Optics, 99550B (7 September 2016); doi: 10.1117/12.2238025; https://doi.org/10.1117/12.2238025

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