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  • Title: SMS-based optimization strategy for ultra-compact SWIR telephoto lens design.
    Author: Lin W, Benítez P, Miñano JC, Infante JM, Biot G, de la Fuente M, Santamaría A.
    Journal: Opt Express; 2012 Apr 23; 20(9):9726-35. PubMed ID: 22535064.
    Abstract:
    A new optical design strategy for rotational aspheres using very few parameters is presented. It consists of using the SMS method to design the aspheres embedded in a system with additional simpler surfaces (such as spheres, parabolas or other conics) and optimizing the free-parameters. Although the SMS surfaces are designed using only meridian rays, skew rays have proven to be well controlled within the optimization. In the end, the SMS surfaces are expanded using Forbes series and then a second optimization process is carried out with these SMS surfaces as a starting point. The method has been applied to a telephoto lens design in the SWIR band, achieving ultra-compact designs with an excellent performance.
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