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Optical analysis of miniature lenses with curved imaging surfaces

机译:具有弯曲成像表面的微型镜头的光学分析

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Miniature cameras for consumer electronics and mobile phones have been, and continue to be, in fast development. The system level requirements, such as manufacturing cost, packaging, and sensor characteristics, impose unique challenges for optical designers. In this paper, we discuss the potential optical benefits of having a curved image surface rather than a flat one. We show that curved sensor technology allows for optically faster lens solutions. We discuss trade-offs of several relevant characteristics, such as packaging, chief ray angle, image quality, and tolerance sensitivity. A comparison of a benchmark flat field lens, and an evaluation design imaging on a curved surface and working at f/1.6, provides useful specific insights. For a given image quality, departing from a flat imaging surface does not allow significantly reducing the total length of a lens. (C) 2015 Optical Society of America
机译:用于消费电子产品和移动电话的微型相机一直并且一直在快速发展中。系统级别的要求,例如制造成本,包装和传感器特性,对光学设计人员提出了独特的挑战。在本文中,我们讨论了具有弯曲的图像表面而不是平坦的图像表面的潜在光学优势。我们证明了弯曲传感器技术可提供光学上更快的镜头解决方案。我们讨论了几个相关特征的权衡,例如包装,主光线角度,图像质量和公差敏感性。比较基准平场透镜和在曲面上成像并在f / 1.6下工作的评估设计,可以提供有用的特定见解。对于给定的图像质量,偏离平坦的成像表面不会显着减小镜头的总长度。 (C)2015年美国眼镜学会

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