We discuss unique features of lens-free computational imaging tools and report some of their emerging results for wide-field on-chip microscopy, such as the achievement of a numerical aperture (NA) of ~0.8–0.9 across a field of view (FOV) of more than 20 mm2 or an NA of ~0.1 across a FOV of ~18 cm2, which corresponds to an image with more than 1.5 gigapixels. We also discuss the current challenges that these computational on-chip microscopes face, shedding light on their future directions and applications.
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机译：我们讨论了无透镜计算成像工具的独特功能，并报告了它们在宽视野片上显微镜检测方面的一些新兴成果，例如在整个视场（FOV）中实现了约0.8-0.9的数值孔径（NA） ）大于20 mm 2 或在〜18 cm 2 的FOV上具有约0.1的NA，这对应于具有1.5吉像素以上的图像。我们还将讨论这些计算芯片显微镜当前面临的挑战，阐明它们的未来方向和应用。
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