25 August 2015 Illumination system design with multi-step optimization
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Automatic optimization algorithms can be used when designing illumination systems. For systems with many design variables, optimization using an adjustable set of variables at different steps of the process can provide different local minima. We present a few examples of implementing a multi-step optimization method. We have found that this approach can sometimes lead to more efficient solutions. In this paper we illustrate the effectiveness of using a commercially available optimization algorithm with a slightly modified procedure.
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Simon Magarill, Simon Magarill, William J. Cassarly, William J. Cassarly, } "Illumination system design with multi-step optimization", Proc. SPIE 9572, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XII, 95720H (25 August 2015); doi: 10.1117/12.2187008; https://doi.org/10.1117/12.2187008

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