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Phase function design of a diffraction grating lens for an optical imaging system from a Fraunhofer diffraction perspective

机译:从弗劳恩霍夫衍射角度看用于光学成像系统的衍射光栅透镜的相位函数设计

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摘要

The potential exists to apply diffraction gratings to optical imaging systems to improve camera resolution and shorten optical length. However, we have noted the generation of striped flare lights, which differ from unnecessary-order diffraction lights, under intense lighting. We have elucidated the generation principle of these new striped lights and have discovered that they are caused by narrow diffraction grating rings. In this paper, using an analysis based on Fraunhofer diffraction, we suggest a way of minimizing them by designing an appropriate phase function structure, and test the efficacy of this design using our own manufactured prototype.
机译:存在将衍射光栅应用于光学成像系统以提高相机分辨率并缩短光学长度的潜力。但是,我们注意到在强光下会产生条纹状耀斑光,这与不必要的衍射光不同。我们已经阐明了这些新条纹光的产生原理,并发现它们是由窄衍射光栅环引起的。在本文中,我们使用基于Fraunhofer衍射的分析方法,提出了一种通过设计适当的相函数结构将其最小化的方法,并使用我们自己制造的原型来测试这种设计的有效性。

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