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首页> 外文会议>Novel Optical Systems Design and Optimization X; Proceedings of SPIE-The International Society for Optical Engineering; vol.6668 >Structural design of a lens component with prespecified aberration targets by evolutionary algorithm
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Structural design of a lens component with prespecified aberration targets by evolutionary algorithm

机译：通过进化算法设计具有预定像差目标的镜片组件的结构设计

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摘要

In a recent paper we have reported on the feasibility of reducing the problem of structural design of a multicomponent lens system in accordance with a prespecified set of Gaussian characteristics and primary aberration targets to the relatively simpler problem of determining optimum structures for the component lenses with central aberration targets. The structural design of the individual components can be suitably tackled by evolutionary algorithm so that one can obtain globally or quasiglobally optimum solutions for the purpose. Details of the latter part of the approach are presented in this paper. Contrary to the usual practice of heuristic selection of glass types for the lens elements of the component, the glass types for individual lens elements are treated as discrete independent variables to be selected from a set of prespecified list of actual glasses. We have dealt with the global or quasiglobal synthesis of the individual lens components with the help of structures of increasing complexity, e.g. singlets, cemented doublets, broken contact doublets, cemented triplets, photovisual objectives etc. as necessary for the purpose. The total configuration space consists of continuous variables like shape variable and power distributions, and discrete variables like available glass types. This approach reduces significantly the chance of overlooking promising and better solutions by carrying out searches in the total configuration space simultaneously. Some illustrative examples will be presented.
机译：在最近的一篇论文中，我们报道了根据预先设定的一组高斯特性和主要像差目标来减少多组件镜片系统的结构设计问题的可行性，该问题相对较简单，即为具有中心位置的组件镜片确定最佳结构的问题像差目标。单个组件的结构设计可以通过进化算法来适当地解决，从而可以为此目的整体或半全局地获得最佳解决方案。本文介绍了该方法的后半部分。与试探性地选择用于部件的透镜元件的玻璃类型的常规做法相反，将单个透镜元件的玻璃类型视为离散的独立变量，以从一组预先指定的实际玻璃列表中进行选择。我们已经借助越来越复杂的结构，例如单个透镜组件的全局或准全局合成进行了处理。背胶，胶合双胶合胶，折断的胶合双胶合，胶合三胞胎，光学目镜等。整个配置空间由连续变量（如形状变量和功率分布）和离散变量（如可用玻璃类型）组成。通过同时在整个配置空间中进行搜索，该方法大大减少了忽略有前途和更好的解决方案的机会。将给出一些说明性示例。

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