大口径子孔径拼接菲涅耳衍射元件的误差分析

Error analysis of large-diameter subaperture stitching Fresnel diffractive elements.

作者信息

Zhang Haolin, Liu Hua, Xu Wenbin, Lizana Angel, Wang Xiaoduo, Lu Zhenwu

出版信息

Appl Opt. 2017 Sep 20;56(27):7672-7678. doi: 10.1364/AO.56.007672.

DOI:10.1364/AO.56.007672

Abstract

Image quality is dramatically influenced by the stitching errors in a large-diameter stitching Fresnel lens. In this paper, we studied three kinds of errors that can cover all stitching errors in a Cornwell deployed Fresnel lens. In particular, a 300-mm-diameter, three-belt deployed Fresnel diffractive lens was simulated to investigate the stitching error. The star test and the resolution board test experiments were conducted, and the experimental results fit the simulation results. This means that our error analysis theory and simulation method are efficient and accurate and could be used to guide future super-large aperture stitching.

摘要

大口径拼接菲涅尔透镜中的拼接误差会极大地影响图像质量。在本文中，我们研究了三种能够涵盖康韦尔部署菲涅尔透镜中所有拼接误差的误差类型。具体而言，我们对一个直径300毫米、三条带部署的菲涅尔衍射透镜进行了模拟，以研究拼接误差。开展了星点测试和分辨率板测试实验，实验结果与模拟结果相符。这意味着我们的误差分析理论和模拟方法高效且准确，可用于指导未来的超大口径拼接。