X-ray ptychography

F Pfeiffer - Nature Photonics, 2018 - nature.com
X-ray ptychographic microscopy combines the advantages of raster scanning X-ray
microscopy with the more recently developed techniques of coherent diffraction imaging. It is …

Further improvements to the ptychographical iterative engine

A Maiden, D Johnson, P Li - Optica, 2017 - opg.optica.org
Ptychography is a form of phase imaging that uses iterative algorithms to reconstruct an
image of a specimen from a series of diffraction patterns. It is swiftly develo** into a …

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 …

High-resolution non-destructive three-dimensional imaging of integrated circuits

M Holler, M Guizar-Sicairos, EHR Tsai, R Dinapoli… - Nature, 2017 - nature.com
Modern nanoelectronics, has advanced to a point at which it is impossible to image entire
devices and their interconnections non-destructively because of their small feature sizes and …

Three-dimensional magnetization structures revealed with X-ray vector nanotomography

C Donnelly, M Guizar-Sicairos, V Scagnoli, S Gliga… - Nature, 2017 - nature.com
In soft ferromagnetic materials, the smoothly varying magnetization leads to the formation of
fundamental patterns such as domains, vortices and domain walls. These have been …

3D intensity and phase imaging from light field measurements in an LED array microscope

L Tian, L Waller - optica, 2015 - opg.optica.org
Realizing high resolution across large volumes is challenging for 3D imaging techniques
with high-speed acquisition. Here, we describe a new method for 3D intensity and phase …

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 …

X-ray ptychographic computed tomography at 16 nm isotropic 3D resolution

M Holler, A Diaz, M Guizar-Sicairos, P Karvinen… - Scientific reports, 2014 - nature.com
X-ray ptychography is a scanning variant of coherent diffractive imaging with the ability to
image large fields of view at high resolution. It further allows imaging of non-isolated …

Three-dimensional imaging of integrated circuits with macro-to nanoscale zoom

M Holler, M Odstrcil, M Guizar-Sicairos, M Lebugle… - Nature …, 2019 - nature.com
The imaging of integrated circuits across different length scales is required for failure
analysis, design validation and quality control. At present, such inspection is accomplished …

An annealing algorithm to correct positioning errors in ptychography

AM Maiden, MJ Humphry, MC Sarahan, B Kraus… - Ultramicroscopy, 2012 - Elsevier
Ptychography offers the possibility of improving the resolution of atomic-scale (electron and
X-ray) transmission microscopy without any of the demands of high quality lenses: its …