When it comes to “phase measurement” or “quantitative phase imaging”, many people will
automatically connect them with “laser” and “interferometry”. Indeed, conventional …

X-ray sources are developing rapidly and their coherent output is growing correspondingly.
The increased coherent flux from modern X-ray sources is being matched with an …

We demonstrate a method for improving the accuracy of phase retrieval based on the
Transport of Intensity equation by using intensity measurements at multiple planes to …

In-line phase contrast enables weakly absorbing specimens to be imaged successfully with
x-rays, and greatly enhances the visibility of fine scale structure in more strongly absorbing …

Digital in-line holography (DIH) is broadly used to reconstruct 3D shapes of microscopic
objects from their 2D holograms. One of the technical challenges in the reconstruction stage …

The advent of hard x-ray free-electron lasers (XFELs) has opened up a variety of scientific
opportunities in areas as diverse as atomic physics, plasma physics, nonlinear optics in the …

Linear methods for solving the problem of optical phase retrieval from intensity
measurements have the advantage of being deterministic and computationally more efficient …

We demonstrate nanoscale x-ray holographic imaging using optimized illumination wave
fronts emitted by x-ray waveguide channels. Mode filtering minimizes wave-front distortions …

Retrieving low spatial frequency components of the phase of the complex-valued exit-face
wave function in a transmission electron microscope by reconstruction of a focal series of …

We report on the development of the dark-field inline electron holography technique and its
application to map strain in technologically relevant structures, using as an example the …