Electron fourier ptychography for phase reconstruction
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-21638-7
Abstract: Exit wavefunction reconstruction is important in transmission electron microscopy for structural studies. We describe electron Fourier ptychography and its application to phase reconstruction of both radiation-resistant and beam-sensitive materials. We demonstrate that the phase of… read more here.
Keywords: electron fourier; reconstruction; fourier ptychography; phase ... See more keywords
Miscalibration-Tolerant Fourier Ptychography
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2020.3025717
Abstract: Fourier Ptychography probes the sample from different directions to achieve label-free quantitative phase imaging with a large space-bandwidth product. However, special attention has to be paid in the calibration of the optical setup to assure… read more here.
Keywords: fourier ptychography; miscalibration tolerant; ptychography miscalibration; ptychography ... See more keywords
Learnable reconstruction-based synthetic aperture imaging via Fourier ptychography.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.559770
Abstract: Fourier ptychography (FP), a synthetic aperture imaging technique, has made significant progress in recent years. This technique effectively overcomes the aperture limitations of imaging systems, enabling imaging at a resolution beyond the original system's capabilities.… read more here.
Keywords: fourier ptychography; synthetic aperture; aperture imaging; reconstruction ... See more keywords
Integration of Fourier ptychography with machine learning: an alternative scheme.
Sign Up to like & getrecommendations! Published in 2022 at "Biomedical optics express"
DOI: 10.1364/boe.464001
Abstract: As the core task of the reconstruction in conventional ptychography (CP) and Fourier ptychographic microscopy (FPM), the meticulous design of ptychographical iterative engine (PIE) largely affects the performance of reconstruction algorithms. Compared to traditional PIE… read more here.
Keywords: machine; ptychography machine; machine learning; fourier ptychography ... See more keywords
Super-condenser enables labelfree nanoscopy
Sign Up to like & getrecommendations! Published in 2019 at "Optics Express"
DOI: 10.1364/oe.27.025280
Abstract: Labelfree nanoscopy encompasses optical imaging with a resolution in the 100-nm range using visible wavelengths. Here, we present a labelfree nanoscopy method that combines coherent imaging techniques with waveguide microscopy to realize a super-condenser featuring… read more here.
Keywords: microscopy; fourier ptychography; super condenser; labelfree nanoscopy ... See more keywords
Batch-based alternating direction methods of multipliers for Fourier ptychography.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.467665
Abstract: Fourier ptychography (FP) has been developed as a general imaging tool for various applications. However, the redundancy data has to be enforced to get a stable recovery, leading to a large dataset and a high… read more here.
Keywords: based alternating; methods multipliers; fourier ptychography; batch based ... See more keywords
High-resolution polarization-sensitive Fourier ptychography microscopy using a high numerical aperture dome illuminator.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469115
Abstract: Polarization-sensitive Fourier-ptychography microscopy (pFPM) allows for high resolution imaging while maintaining a large field of view, and without mechanical movements of optical-setup components. In contrast to ordinary light microscopes, pFPM provides quantitative absorption and phase… read more here.
Keywords: microscopy; fourier ptychography; high resolution; sensitive fourier ... See more keywords
Angularly resolved polarization microscopy for birefringent materials with Fourier ptychography.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469377
Abstract: Polarization light microscopy is a very popular approach for structural imaging in optics. So far these methods mainly probe the sample at a fixed angle of illumination. They are consequently only sensitive to the polarization… read more here.
Keywords: resolved polarization; polarization; microscopy; fourier ptychography ... See more keywords
PtyLab.m/py/jl: a cross-platform, open-source inverse modeling toolbox for conventional and Fourier ptychography.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.485370
Abstract: Conventional (CP) and Fourier (FP) ptychography have emerged as versatile quantitative phase imaging techniques. While the main application cases for each technique are different, namely lens-less short wavelength imaging for CP and lens-based visible light… read more here.
Keywords: cross platform; fourier ptychography; cross; open source ... See more keywords
Undersampled Fourier ptychography for reflective-based long range imaging.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.485563
Abstract: Fourier ptychography (FP) can be a promising technique for long-range and high-resolution imaging. In this work, we explore reconstructions with undersampled data for meter-scale reflective based Fourier ptychographic imaging. To reconstruct with under-sampling captures, we… read more here.
Keywords: undersampled fourier; reflective based; fourier ptychography; long range ... See more keywords
Dual-wavelength Fourier ptychography using a single LED.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.003526
Abstract: We propose dual-wavelength Fourier ptychography for topographic measurement. To extend the axial measurement range, a single light-emitting diode (LED) and two appropriate bandpass filters are employed. This provides a speckle-free phase image, and reduces the… read more here.
Keywords: fourier ptychography; dual wavelength; wavelength fourier;