Experiments and Data Analysis for Modulated Phase Gratings in X-rays

SB Carr - 2023 - search.proquest.com
Purpose: Modulated Phase Grating (MPG) interferometry has been shown in theory and
simulations to produce observable fringes on a clinical detector without requiring fluence …

Hybrid modulated-phase-grating for phase contrast x-ray for a varying fringe period clinical interferometry system

E Park, J Xu, J Dey - Medical Imaging 2022: Physics of …, 2022 - spiedigitallibrary.org
A phase contrast system with a modulated phase grating (MPG) eliminates the need for an
analyzer when compared to a standard Talbot Lau X-ray interferometer. This can provide …

Observation of fringe patterns from a modulated phase grating x-ray interferometry system

I Hidrovo, S Carr, K Ham, L Butler… - Medical Imaging 2022 …, 2022 - spiedigitallibrary.org
We have previously shown in simulations that X-ray Interferometry using Modulated Phase
Gratings can create an interference pattern in clinical detectors from which attenuation …

X-ray Interferometry Using a Modulated Phase Grating: Theory and Experiments

H Meyer, J Dey, S Carr, K Ham, LG Butler… - arXiv preprint arXiv …, 2024 - arxiv.org
X-ray grating interferometry allows for the simultaneous acquisition of attenuation,
differential-phase contrast, and dark-field images, resulting from X-ray attenuation …

A general theory of interference fringes in x‐ray phase grating imaging

A Yan, X Wu, H Liu - Medical physics, 2015 - Wiley Online Library
Purpose: The authors note that the concept of the Talbot self‐image distance in x‐ray phase
grating interferometry is indeed not well defined for polychromatic x‐rays, because both the …

Dual-binary phase gratings for x-ray interferometry

M Bech - Developments in X-Ray Tomography XIV, 2022 - spiedigitallibrary.org
X-ray phase-contrast imaging by grating interferometry has in the past decades been
established both at synchrotron radiation sources and at conventional x-ray tubes. Due to …

Sensitive phase gratings for x-ray phase contrast-a simulation-based comparison

O Preusche - 2014 IEEE Nuclear Science Symposium and …, 2014 - ieeexplore.ieee.org
Medical differential phase contrast x-ray imaging (DPCI) promises improved soft-tissue
contrast at lower x-ray dose. The dose strongly depends on both the angular sensitivity and …

Sensitivity-based optimization for the design of a grating interferometer for clinical X-ray phase contrast mammography

C Arboleda, Z Wang, T Koehler, G Martens… - Optics express, 2017 - opg.optica.org
An X-ray grating interferometer (GI) suitable for clinical mammography must comply with
quite strict dose, scanning time and geometry limitations, while being able to detect tumors …

The theory of x-ray and neutron interferometry using a modulated phase grating

HC Meyer - 2024 - repository.lsu.edu
Grating interferometry exploits wave interference to simultaneously image multiple physical
properties of an object and can be performed using X-rays or neutrons. The modulated …

Simulation study on x-ray phase contrast imaging with dual-phase gratings

J Bopp, V Ludwig, M Seifert, G Pelzer, A Maier… - International Journal of …, 2019 - Springer
Purpose Two phase gratings in an X-ray grating interferometers can solve several technical
challenges for clinical use of X-ray phase contrast. In this work, we adapt and evaluate this …