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Multi-aperture Fourier ptychographic microscopy, theory and validation

机译:多孔傅里叶傅里叶PTYCHOGUCT,理论和验证

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摘要

We present a novel microscopy concept, termed Multi-Aperture Fourier ptychographic microscopy (MA-FPM), to enable implementation of parallel detectors in microscopy to increase the space-bandwidth-time product. MA-FPM is a synthetic aperture technique: an array of objectives together with tilt-shift illumination are used to synthesize high-resolution, wide field-of-view images. Here, the phase is recovered using Fourier ptychography (FP) algorithms unlike conventional optical synthetic aperture techniques where holographic measurements are used. In this article we report a proof-of-concept experiment by translating a lens and a detector to positions according to the proposed design and demonstrate high-quality imaging performance despite using nine-fold fewer illumination angles compared to an equivalent FP setup. Calibration procedures and a reconstruction algorithm were developed to address the challenges of multiple imaging systems.
机译:我们介绍了一种新的显微镜概念,称为多孔傅立叶PTYChapure显微镜(MA-FPM),以实现显微镜中的并联检测器以增加空间带宽时间产品。 MA-FPM是一种合成孔径技术:用于倾斜移位照明的一个目标阵列用于综合高分辨率宽视野图像。这里,使用傅立叶PTYChoge(FP)算法来恢复相位,与使用全息测量的传统光学合成孔技术不同。在本文中,我们通过将镜头和检测器转换为根据所提出的设计将镜头和检测器转换为位置来报告概念验证实验,并且尽管使用九倍较少的照明角度与等效的FP设置相比,尽管使用九倍较少的照明角度,请展示高质量的成像性能。开发了校准程序和重建算法来解决多种成像系统的挑战。

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