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 …

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 …

Wide-field, high-resolution Fourier ptychographic microscopy

G Zheng, R Horstmeyer, C Yang - Nature photonics, 2013 - nature.com
We report an imaging method, termed Fourier ptychographic microscopy (FPM), which
iteratively stitches together a number of variably illuminated, low-resolution intensity images …

Ptychographic X-ray computed tomography at the nanoscale

M Dierolf, A Menzel, P Thibault, P Schneider… - Nature, 2010 - nature.com
X-ray tomography is an invaluable tool in biomedical imaging. It can deliver the three-
dimensional internal structure of entire organisms as well as that of single cells, and even …

Translation position determination in ptychographic coherent diffraction imaging

F Zhang, I Peterson, J Vila-Comamala, A Diaz… - Optics express, 2013 - opg.optica.org
Accurate knowledge of translation positions is essential in ptychography to achieve a good
image quality and the diffraction limited resolution. We propose a method to retrieve and …

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 …

Aperture-scanning Fourier ptychography for 3D refocusing and super-resolution macroscopic imaging

S Dong, R Horstmeyer, R Shiradkar, K Guo, X Ou… - Optics express, 2014 - opg.optica.org
We report an imaging scheme, termed aperture-scanning Fourier ptychography, for 3D
refocusing and super-resolution macroscopic imaging. The reported scheme scans an …

Information multiplexing in ptychography

DJ Batey, D Claus, JM Rodenburg - Ultramicroscopy, 2014 - Elsevier
We show for the first time that ptychography (a form of lensless diffractive imaging) can
recover the spectral response of an object through simultaneous reconstruction of multiple …

Superresolution imaging via ptychography

AM Maiden, MJ Humphry, F Zhang, JM Rodenburg - JOSA A, 2011 - opg.optica.org
Coherent diffractive imaging of objects is made considerably more practicable by using
ptychography, where a set of diffraction patterns replaces a single measurement and …

Optimization of sampling pattern and the design of Fourier ptychographic illuminator

K Guo, S Dong, P Nanda, G Zheng - Optics express, 2015 - opg.optica.org
Fourier ptychography (FP) is a recently developed imaging approach that facilitates high-
resolution imaging beyond the cutoff frequency of the employed optics. In the original FP …