On the “unreasonable” effectiveness of transport of intensity imaging and optical deconvolution

TE Gureyev, YI Nesterets, A Kozlov, DM Paganin… - JOSA A, 2017 - opg.optica.org
The effectiveness of reconstructive imaging using the homogeneous transport of intensity
equation may be regarded as “unreasonable,” because it has been shown to significantly …

Complementary aspects of spatial resolution and signal-to-noise ratio in computational imaging

TE Gureyev, DM Paganin, A Kozlov, YI Nesterets… - Physical Review A, 2018 - APS
A generic computational imaging setup is considered which assumes sequential
illumination of a semitransparent object by an arbitrary set of structured coherent illumination …

Noise-resolution uncertainty principle in classical and quantum systems

TE Gureyev, A Kozlov, DM Paganin, YI Nesterets… - Scientific Reports, 2020 - nature.com
We show that the width of an arbitrary function and the width of the distribution of its values
cannot be made arbitrarily small simultaneously. In the case of ergodic stochastic processes …

[PDF][PDF] Signal-to-noise, spatial resolution and information capacity of coherent diffraction imaging

TE Gureyev, A Kozlov, YI Nesterets, DM Paganin… - IUCrJ, 2018 - journals.iucr.org
It is shown that the average signal-to-noise ratio (SNR) in the three-dimensional electron-
density distribution of a sample reconstructed by coherent diffractive imaging cannot exceed …

Optical amplification for astronomical imaging at higher resolution

G Gumpel, EN Ribak - JOSA B, 2021 - opg.optica.org
Heisenberg's uncertainty principle tells us that it is impossible to determine simultaneously
the position of a photon crossing a telescope's aperture and its momentum. Super-resolution …

Propagation of fully coherent and partially coherent complex scalar fields in aberration space

DM Paganin, TC Petersen, MA Beltran - Physical Review A, 2018 - APS
We consider the propagation of both fully coherent and partially coherent complex scalar
fields, through linear shift-invariant imaging systems. The state of such imaging systems is …

On the efficiency of computational imaging with structured illumination

TE Gureyev, DM Paganin, A Kozlov… - arXiv preprint arXiv …, 2018 - arxiv.org
A generic computational imaging setup is considered which assumes sequential
illumination of a semi-transparent object by an arbitrary set of structured illumination …

[HTML][HTML] Heisenberg uncertainty of spatially gated electromagnetic fields

VY Chernyak, S Mukamel - The Journal of Chemical Physics, 2021 - pubs.aip.org
A Heisenberg uncertainty relation is derived for spatially-gated electric ΔE and magnetic ΔH
field fluctuations. The uncertainty increases for small gating sizes, which implies that in …

[PDF][PDF] Recovery of undamaged electron-density maps in the presence of damage-induced partial coherence in single-particle imaging

A Kozlov, TE Gureyev, DM Paganin, AV Martin… - IUCrJ, 2020 - journals.iucr.org
Resolving the electronic structure of single biological molecules in their native state was
among the primary motivations behind X-ray free-electron lasers. The ultra-short pulses they …

Crossing the diffraction limit with an optical amplifier

G Gumpel, EN Ribak - Advances in Optical and Mechanical …, 2020 - spiedigitallibrary.org
Heisenberg's uncertainty principle tells us that it's impossible to determine simultaneously
the position of a photon crossing a telescope's aperture as well as the angle of its …