308 citations · 952 across the 17 of their papers we have counts for
18 papers
A differentiable forward model for the concurrent, multi-peak Bragg coherent x-ray diffraction imaging problem
S. Maddali, T. D. Frazer, N. Delegan +12
We present a general analytic approach to spatially resolve the nano-scale lattice distortion field of strained and defected compact crystals with Bragg coherent x-ray diffraction…
A matrix-free Levenberg-Marquardt algorithm for efficient ptychographic phase retrieval
Saugat Kandel, S. Maddali, Youssef S G Nashed +3
The phase retrieval problem, where one aims to recover a complex-valued image from far-field intensity measurements, is a classic problem encountered in a range of imaging applicat…
High-resolution three-dimensional crystalline microscopy
Marc Allain, Virginie Chamard, Stephan O. Hruszkewycz
In this communication, we discuss how 3D information about the structure of a crystalline sample is encoded in Bragg 3DXCDI measurements. Our analysis brings to light the role of t…
Detector tilt considerations in high-energy Bragg coherent diffraction imaging: a simulation study
Siddharth Maddali, Marc Allain, Peng Li +2
This paper addresses three-dimensional signal distortion and image reconstruction issues in x-ray Bragg coherent diffraction imaging (BCDI) in the event of a general non-orthogonal…
General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging: Part 2
Peng Li, Siddharth Maddali, Anastasios Pateras +4
X-ray Bragg coherent diffraction imaging has been demonstrated as a powerful three-dimensional (3D) microscopy approach for the investigation of sub-micrometer-scale crystalline pa…
General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging: Part 1
Siddharth Maddali, Peng Li, Anastasios Pateras +12
In this two-part article series we provide a generalized description of the scattering geometry of Bragg coherent diffraction imaging (BCDI) experiments, the shear distortion effec…