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19 July 2006 Optimization of parameterized lightpipes
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Proceedings Volume 6342, International Optical Design Conference 2006; 63420P (2006)
Event: International Optical Design Conference 2006, 2006, Vancouver, BC, Canada
Parameterization via the bend locus curve allows optimization of single-spherical-bend lightpipes. It takes into account the bend radii, the bend ratio, allowable volume, thickness, and other terms. Parameterization of the lightpipe allows the inclusion of a constrained optimizer to maximize performance of the lightpipe. The simplex method is used for optimization. The standard and optimal simplex methods are used to maximize the standard Lambertian transmission of the lightpipe. A second case presents analogous results when the ray-sample weighted, peak-to-average irradiance uniformity is included with the static Lambertian transmission. These results are compared to a study of the constrained merit space. Results show that both optimizers can locate the optimal solution, but the optimal simplex method accomplishes such with a reduced number of ray-trace evaluations.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. John Koshel "Optimization of parameterized lightpipes", Proc. SPIE 6342, International Optical Design Conference 2006, 63420P (19 July 2006);


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