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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Fourier plane imaging and illumination-direction-multiplexing using a rotating diffracting element for fourier ptychographic microscopy
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Fourier plane imaging and illumination-direction-multiplexing using a rotating diffracting element for fourier ptychographic microscopy

机译：使用旋转衍射元件进行傅里叶衍生元件的傅里叶平面成像和照明方向复用

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摘要

We demonstrate a practical method for imaging periodic structures with periods beyond the Rayleigh resolution limit of the imaging system employed. The sample was simultaneously illuminated from several directions using a combination of a source of collimated white-light, a diffracting element, and a microscope objective lens. By rotating the diffracting element, several pairs of real plane and Fourier plane images were obtained. A high-resolution image of the periodic structure was numerically reconstructed by processing the experimental images using the Fourier ptychographic algorithm. We used the Fourier plane imaging microscopy technique to approximate the initial optical disturbance in the phase-recovery algorithm.
机译：我们展示了一种具有超出所采用的成像系统的瑞利分辨率的周期性结构的定期结构的实用方法。 使用准直的白光源，衍射元件和显微镜物镜的组合从若干方向上同时照射样品。 通过旋转衍射元件，获得几对真实平面和傅里叶平面图像。 通过使用傅立叶PTYCHOGURACH算法处理实验图像来用周期性结构的高分辨率图像进行数值重建。 我们利用傅里叶平面成像显微镜技术近似相位恢复算法中的初始光学干扰。

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