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arXiv · 1309.7516

Quantitative phase imaging via Fourier ptychographic microscopy

Xiaoze Ou·Roarke Horstmeyer·Changhuei Yang·Guoan Zheng
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Abstract

Fourier ptychographic microscopy (FPM) is a recently developed imaging modality that uses angularly varying illumination to extend a system performance beyond the limit defined by its optical elements. The FPM technique applies a novel phase retrieval procedure to achieve both resolution enhancement and complex image recovery. In this letter, we compare FPM data to both theoretical prediction and phase-shifting digital holography measurement to show that its acquired phase maps are quantitative and artifact-free. We additionally explore the relationship between the achievable spatial and optical thickness resolution offered by a reconstructed FPM phase image. We conclude by demonstrating both enhanced visualization and the collection of otherwise unobservable sample information using FPM quantitative phase.

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Xiaoze Ou, Roarke Horstmeyer, Changhuei Yang, Guoan Zheng. 2013-09-29. Quantitative phase imaging via Fourier ptychographic microscopy. https://doi.org/10.1364/ol.38.004845

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