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Research on High Ratio Zoom System with Global Optimization
Author(s): 
Pages: 1149-1151
Year: Issue:  12
Journal: LASER & INFRARED

Keyword:  多传感器集成全局优化顶层设计;
Abstract: 为了突破集成高比变焦传感器系统的设计瓶颈,达到视场连续变换、系统功效接近理论极限和构型灵巧等目的,采用了纯透射式结构型式,发展了集成高比变焦系统的顶层思想和主要策略,建立了相应的优化模型.应用全局优化算法解决了宽光谱、多视场、低畸变和MTF匹配等问题.研究和评估了一种工作光谱范围主要在3~5μm变焦比为20∶1以上的系统优化结果,它在系统调制传递函数、弥散、点扩散函数和其它像质判据等方面均达到应用要求;在体积、重量和系统效率方面具有显著优势.
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