25 August 2015 Diffraction effects in freeform optics
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Abstract
Freeform optics is a relatively new field; it uses the methods necessary to describe surfaces lacking symmetry, and/or surfaces that create non-symmetrical irradiance distributions. The Supporting Quadrics Method (SQM) developed by Oliker is a superb for generating any desired irradiance distribution. The SQM uses an envelope of quadrics to create prescribed irradiance distributions. These optical systems are tested in ray trace software, where diffraction effects are not taken into account. It is important to understand the diffraction effects present in an optic, when moving from the ray trace stage to the prototype stage. Here we study the diffraction effects of Supporting Quadrics Method.
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Melissa N. Ricketts, Melissa N. Ricketts, Roland Winston, Roland Winston, Vladimir Oliker, Vladimir Oliker, } "Diffraction effects in freeform optics", Proc. SPIE 9572, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XII, 95720O (25 August 2015); doi: 10.1117/12.2191895; https://doi.org/10.1117/12.2191895
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