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Title: Dynamic diffraction artefacts in Bragg coherent diffractive imaging

Abstract

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 reconstructed complex object, causing strong artefacts. At the dynamical diffraction limit, the reconstructed shape is no longer correct, as a result of the strong extinction effect. Simulations for hemispherical particles of different sizes show the type, magnitude and extent of the dynamical diffraction artefacts, as well as the conditions under which they are negligible.

Authors:
ORCiD logo; ORCiD logo;
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1418719
Alternate Identifier(s):
OSTI ID: 1433975
Report Number(s):
BNL-203510-2018-JAAM
Journal ID: ISSN 1600-5767; JACGAR; PII: S1600576718000274
Grant/Contract Number:  
SC0012704
Resource Type:
Published Article
Journal Name:
Journal of Applied Crystallography (Online)
Additional Journal Information:
Journal Name: Journal of Applied Crystallography (Online) Journal Volume: 51 Journal Issue: 1; Journal ID: ISSN 1600-5767
Publisher:
International Union of Crystallography (IUCr)
Country of Publication:
Denmark
Language:
English
Subject:
36 MATERIALS SCIENCE; dynamic diffraction; Bragg coherent diffractive imaging; iterative phase reconstruction

Citation Formats

Hu, Wen, Huang, Xiaojing, and Yan, Hanfei. Dynamic diffraction artefacts in Bragg coherent diffractive imaging. Denmark: N. p., 2018. Web. https://doi.org/10.1107/S1600576718000274.
Hu, Wen, Huang, Xiaojing, & Yan, Hanfei. Dynamic diffraction artefacts in Bragg coherent diffractive imaging. Denmark. https://doi.org/10.1107/S1600576718000274
Hu, Wen, Huang, Xiaojing, and Yan, Hanfei. Thu . "Dynamic diffraction artefacts in Bragg coherent diffractive imaging". Denmark. https://doi.org/10.1107/S1600576718000274.
@article{osti_1418719,
title = {Dynamic diffraction artefacts in Bragg coherent diffractive imaging},
author = {Hu, Wen and Huang, Xiaojing and Yan, Hanfei},
abstractNote = {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 reconstructed complex object, causing strong artefacts. At the dynamical diffraction limit, the reconstructed shape is no longer correct, as a result of the strong extinction effect. Simulations for hemispherical particles of different sizes show the type, magnitude and extent of the dynamical diffraction artefacts, as well as the conditions under which they are negligible.},
doi = {10.1107/S1600576718000274},
journal = {Journal of Applied Crystallography (Online)},
number = 1,
volume = 51,
place = {Denmark},
year = {2018},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1107/S1600576718000274

Citation Metrics:
Cited by: 2 works
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