5 December 2001 Enhancements to the optimization process in lens design (II)
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The full optimization process includes definition and maintenance of the merit function, selection of optimization strategy, the actual automatic improvement of the system, designer intervention and review of the final results. Well optimized systems are almost always achieved, not by a single run, but by repeated backtracking and re-optimization. A number of improvements to the whole process are presented, both to the damped lest squares algorithm itself and to the 'handling.' The enhancements include extensions to the classical damped least squares. These enhancements have been implemented in the widely used WinLens software package.
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Geoff Adams, Geoff Adams, Rainer G. Schuhmann, Rainer G. Schuhmann, } "Enhancements to the optimization process in lens design (II)", Proc. SPIE 4441, Current Developments in Lens Design and Optical Engineering II, (5 December 2001); doi: 10.1117/12.449565; https://doi.org/10.1117/12.449565

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