Journal
OPTICS EXPRESS
Volume 22, Issue 5, Pages 4960-4972Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.004960
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Funding
- National Institutes of Health [1DP2OD007307-01]
- Clearbridge Biophotonics (Singapore)
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We develop and test a pupil function determination algorithm, termed embedded pupil function recovery (EPRY), which can be incorporated into the Fourier ptychographic microscopy (FPM) algorithm and recover both the Fourier spectrum of sample and the pupil function of imaging system simultaneously. This EPRY-FPM algorithm eliminates the requirement of the previous FPM algorithm for a priori knowledge of the aberration in the imaging system to reconstruct a high quality image. We experimentally demonstrate the effectiveness of this algorithm by reconstructing high resolution, large field-of-view images of biological samples. We also illustrate that the pupil function we retrieve can be used to study the spatially varying aberration of a large field-of-view imaging system. We believe that this algorithm adds more flexibility to FPM and can be a powerful tool for the characterization of an imaging system's aberration. (C) 2014 Optical Society of America
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