论文标题

评估修饰的统一冗余阵列作为PtyChography的结构化照明

Evaluation of modified uniformly redundant arrays as structured illuminations for ptychography

论文作者

Ching, Daniel J., Aslan, Selin, Nikitin, Viktor, Wojcik, Michael J., Gursoy, Doga

论文摘要

先前的研究表明,照明的频率含量会影响ptychographic重建的收敛速率和重建质量。在这项数值研究中,我们证明,将大型照明构建为修改的均匀冗余阵列(MURA)可以通过提高远场衍射模式中高空间频率的信噪比来产生更高的分辨率和更快的收敛性。

Previous studies have shown that the frequency content of an illumination affects the convergence rate and reconstruction quality of ptychographic reconstructions. In this numerical study, we demonstrate that structuring a large illumination as a modified uniformly redundant array (MURA) can yield higher resolution and faster convergence for ptychography by improving the signal-to-noise ratio of high spatial frequencies in the far-field diffraction pattern.

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