Scanning transmission electron microscopy (STEM) allows for imaging, diffraction, and
spectroscopy of materials on length scales ranging from microns to atoms. By using a high …

Three new algorithms for 2D translation image registration to within a small fraction of a pixel
that use nonlinear optimization and matrix-multiply discrete Fourier transforms are …

HCIPy is a package written in Python for simulating the interplay between wavefront control
and coronagraphic systems. By defining an element which merges values/coefficients with …

Accurate models of optical performance are an essential tool for astronomers, both for
planning scientific observations ahead of time, and for a wide range of data analysis tasks …

ABSTRACT A new class of high-contrast image analysis algorithms that empirically fit and
subtract systematic noise has lead to recent discoveries of faint exoplanet/substellar …

Nanoscale strain mapping by four-dimensional scanning transmission electron microscopy
(4D-STEM) relies on determining the precise locations of Bragg-scattered electrons in a …

Coherent diffractive imaging provides accurate phase projections that can be
tomographically combined to yield detailed quantitative 3D reconstructions with a resolution …

Experience with the Hubble Space Telescope has shown that accurate models of optical
performance are extremely desirable to astronomers, both for assessing feasibility and …

The WFIRST-AFTA 2.37 m telescope will provide the opportunity to host a coronagraph for
the imaging and spectroscopy of planets and disks in the next decade. The telescope …

The Fast Linearized Coronagraph Optimizer (FALCO) is an open-source toolbox of routines
for coronagraphic focal plane wavefront correction. The goal of FALCO is to provide a free …