Fourier ptychography: current applications and future promises

PC Konda, L Loetgering, KC Zhou, S Xu, AR Harvey… - Optics express, 2020 - opg.optica.org
Traditional imaging systems exhibit a well-known trade-off between the resolution and the
field of view of their captured images. Typical cameras and microscopes can either “zoom in” …

Optical ptychography for biomedical imaging: recent progress and future directions

T Wang, S Jiang, P Song, R Wang, L Yang… - Biomedical Optics …, 2023 - opg.optica.org
Ptychography is an enabling microscopy technique for both fundamental and applied
sciences. In the past decade, it has become an indispensable imaging tool in most X-ray …

Phase retrieval: From computational imaging to machine learning: A tutorial

J Dong, L Valzania, A Maillard, T Pham… - IEEE Signal …, 2023 - ieeexplore.ieee.org
Phase retrieval consists in the recovery of a complex-valued signal from intensity-only
measurements. As it pervades a broad variety of applications, many researchers have …

Blood-coated sensor for high-throughput ptychographic cytometry on a Blu-ray disc

S Jiang, C Guo, T Wang, J Liu, P Song, T Zhang… - ACS …, 2022 - ACS Publications
The Blu-ray drive is an engineering masterpiece that integrates disc rotation, pickup head
translation, and three lasers in a compact and portable format. Here, we integrate a blood …

PtyLab. m/py/jl: a cross-platform, open-source inverse modeling toolbox for conventional and Fourier ptychography

L Loetgering, M Du, D Boonzajer Flaes, T Aidukas… - Optics …, 2023 - opg.optica.org
Conventional (CP) and Fourier (FP) ptychography have emerged as versatile quantitative
phase imaging techniques. While the main application cases for each technique are …

Soft X-ray ptychography chemical imaging of degradation in a composite surface-reconstructed Li-rich cathode

T Sun, G Sun, F Yu, Y Mao, R Tai, X Zhang, G Shao… - ACS …, 2020 - ACS Publications
The capability in spatially resolving the interactions between components in lithium (Li)-ion
battery cathodes, especially correlating chemistry and electronic structure, is challenging but …

Advances in laboratory-scale ptychography using high harmonic sources

L Loetgering, S Witte, J Rothhardt - Optics Express, 2022 - opg.optica.org
Extreme ultraviolet microscopy and wavefront sensing are key elements for next-generation
ultrafast applications, such as chemically-resolved imaging, focal spot diagnostics in pump …

Achieving sub-0.5-angstrom–resolution ptychography in an uncorrected electron microscope

KX Nguyen, Y Jiang, CH Lee, P Kharel, Y Zhang… - Science, 2024 - science.org
Subangstrom resolution has long been limited to aberration-corrected electron microscopy,
where it is a powerful tool for understanding the atomic structure and properties of matter …

Synchrotron X-ray studies of the structural and functional hierarchies in mineralised human dental enamel: A state-of-the-art review

C Besnard, A Marie, S Sasidharan, RA Harper… - Dentistry Journal, 2023 - mdpi.com
Hard dental tissues possess a complex hierarchical structure that is particularly evident in
enamel, the most mineralised substance in the human body. Its complex and interlinked …

Structured illumination ptychography and at-wavelength characterization with an EUV diffuser at 13.5 nm wavelength

W Eschen, C Liu, M Steinert, DS Penagos Molina… - Optics …, 2024 - opg.optica.org
Structured illumination is essential for high-performance ptychography. Especially in the
extreme ultraviolet (EUV) range, where reflective optics are prevalent, the generation of …