Results 21 to 30 of about 70,372 (266)
Coherent diffraction imaging for enhanced fault and fracture network characterization [PDF]
Solid Earth, 2020 Faults and fractures represent unique features of the solid Earth and are especially pervasive in the shallow crust. Aside from directly relating to crustal dynamics and the systematic assessment of associated risk, fault and fracture networks enable the
B. Schwarz +2 more
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Image Reconstruction Using Autofocus in Single-Lens System
Applied Sciences, 2022 To reconstruct the wavefront in a single-lens coherent diffraction imaging (CDI) system, we propose a closed-loop cascaded iterative engine (CIE) algorithm based on the known information of the imaging planes.
Xuyang Zhou +5 more
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Three-dimensional double helical DNA structure directly revealed from its X-ray fiber diffraction pattern by iterative phase retrieval [PDF]
, 2018 Coherent diffraction imaging (CDI) allows the retrieval of the structure of an isolated object, such as a macromolecule, from its diffraction pattern. CDI requires the fulfilment of two conditions: the imaging radiation must be coherent and the object ...
Fink, Hans-Werner +1 more
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Towards kilohertz synchrotron coherent diffractive imaging
Journal of Applied Crystallography, 2022 X-ray coherent diffractive imaging (CDI) techniques have been applied with widespread impact to study nanoscale material properties. New fast framing detectors may reveal dynamics that occur at millisecond timescales. This work demonstrates by simulation that kilohertz synchrotron CDI is possible, by making use of redundant information from static ...
Gerard N. Hinsley +2 more
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Keyhole coherent diffractive imaging [PDF]
Nature Physics, 2008 A powerful coherent diffractive X-ray imaging technique could enable next generation synchrotrons and free-electron lasers to study much larger samples than previously thought possible.
Abbey, B. +7 more
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Imaging outside the box: Resolution enhancement in X-ray coherent diffraction imaging by extrapolation of diffraction patterns [PDF]
, 2015 Coherent diffraction imaging is a high-resolution imaging technique whose potential can be greatly enhanced by applying the extrapolation method presented here.
Chushkin, Yuriy +3 more
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Quantum coherent diffractive imaging
Journal of Physics: Photonics, 2020 Coherent diffractive imaging has enabled the structural analysis of individual free nanoparticles in a single shot and offers the tracking of their light induced dynamics with unprecedented spatial and temporal resolution. The retrieval of structural information from scattering images in CDI experiments is so far mostly based on the assumption of ...
Björn Kruse +3 more
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Dynamic diffraction artefacts in Bragg coherent diffractive imaging [PDF]
Journal of Applied Crystallography, 2018 This article reports a theoretical study on the reconstruction artefacts in Bragg coherent diffractive imaging caused by dynamical diffraction effects. It is shown that, unlike the absorption and refraction effects that can be corrected after reconstruction, dynamical diffraction effects have profound impacts on both the amplitude and the phase of the ...
Wen Hu, Xiaojing Huang, Hanfei Yan
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Enhancement of Partially Coherent Diffractive Images Using Generative Adversarial Network
AI, 2022 We present a deep learning-based generative model for the enhancement of partially coherent diffractive images. In lensless coherent diffractive imaging, a highly coherent X-ray illumination is required to image an object at high resolution.
Jong Woo Kim +2 more
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IEEE Photonics Journal, 2023 Coherent diffraction microscopy (CDM) is a potential approach to image micromaterials at atomic resolution without crystals. Due to the lack of high-angle scattering, the achieved resolution is limited to several nanometers. Small-angle scattering allows
Ning-Jung Chen +5 more
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