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 …

Electron ptychography achieves atomic-resolution limits set by lattice vibrations

Z Chen, Y Jiang, YT Shao, ME Holtz, M Odstrčil… - Science, 2021 - science.org
Transmission electron microscopes use electrons with wavelengths of a few picometers,
potentially capable of imaging individual atoms in solids at a resolution ultimately set by the …

High-performance 4-nm-resolution X-ray tomography using burst ptychography

T Aidukas, NW Phillips, A Diaz, E Poghosyan, E Müller… - Nature, 2024 - nature.com
Advances in science, medicine and engineering rely on breakthroughs in imaging,
particularly for obtaining multiscale, three-dimensional information from functional systems …

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 …

Mixed-state electron ptychography enables sub-angstrom resolution imaging with picometer precision at low dose

Z Chen, M Odstrcil, Y Jiang, Y Han, MH Chiu… - Nature …, 2020 - nature.com
Both high resolution and high precision are required to quantitatively determine the atomic
structure of complex nanostructured materials. However, for conventional imaging methods …

Local-orbital ptychography for ultrahigh-resolution imaging

W Yang, H Sha, J Cui, L Mao, R Yu - Nature Nanotechnology, 2024 - nature.com
Technical advances paired with developments in methodology have enabled electron
microscopy to reach atomic resolution. Further improving the information limit in microscopic …

Deep sub-angstrom resolution imaging by electron ptychography with misorientation correction

H Sha, J Cui, R Yu - Science Advances, 2022 - science.org
Superresolution imaging of solids is essential to explore local symmetry breaking and
derived material properties. Electron ptychography is one of the most promising schemes to …

Exact inversion of partially coherent dynamical electron scattering for picometric structure retrieval

B Diederichs, Z Herdegen, A Strauch, F Filbir… - Nature …, 2024 - nature.com
The greatly nonlinear diffraction of high-energy electron probes focused to subatomic
diameters frustrates the direct inversion of ptychographic data sets to decipher the atomic …

Lorentz electron ptychography for imaging magnetic textures beyond the diffraction limit

Z Chen, E Turgut, Y Jiang, KX Nguyen, MJ Stolt… - Nature …, 2022 - nature.com
Nanoscale spin textures, especially magnetic skyrmions, have attracted intense interest as
candidate high-density and power-efficient information carriers for spintronic devices …