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Blazed grating pupil remapping and rotational synthesis with computational phase correction for a two-aperture system
Journal of the Optical Society of America A ( IF 1.4 ) Pub Date : 2021-11-29 , DOI: 10.1364/josaa.431363
Sarah E. Krug 1 , David J. Rabb 1
Affiliation  

Multi-aperture imaging systems can be used to decrease the size, weight, and cost of an imaging system while retaining a resolution related to the diameter of the aperture gain. One solution for phasing apertures in an array uses anamorphic pupil remapping and a computational phase correction algorithm. It is shown that using blazed gratings to remap the aperture fields reduces field dependent contrast and leads to piston corrections for partially coherent illumination. Additionally, rotational aperture synthesis is used to combine two piston corrected images and create an image with resolution increases in more than just the axis of aperture gain.

中文翻译:

用于双孔径系统的带计算相位校正的闪耀光栅光瞳重映射和旋转合成

多孔径成像系统可用于减小成像系统的尺寸、重量和成本,同时保持与孔径增益直径相关的分辨率。对阵列中的孔径进行相位调整的一种解决方案使用变形瞳孔重新映射和计算相位校正算法。结果表明,使用闪耀光栅重新映射孔径场会降低场相关对比度,并导致对部分相干照明进行活塞校正。此外,旋转孔径合成用于组合两个活塞校正图像并创建分辨率增加的图像,而不仅仅是孔径增益轴。
更新日期:2021-12-02
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