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High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators

Two-dimensional (2D) Talbot array illuminators (TAIs) were designed, fabricated, and evaluated for high-resolution high-contrast x-ray phase imaging of soft tissue at 10–20 keV. The TAIs create intensity modulations with a high compression ratio on the micrometer scale at short propagation distances...

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Autores principales: Gustschin, Alex, Riedel, Mirko, Taphorn, Kirsten, Petrich, Christian, Gottwald, Wolfgang, Noichl, Wolfgang, Busse, Madleen, Francis, Sheila E., Beckmann, Felix, Hammel, Jörg U., Moosmann, Julian, Thibault, Pierre, Herzen, Julia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Optical Society of America 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10567101/
https://www.ncbi.nlm.nih.gov/pubmed/37829605
http://dx.doi.org/10.1364/OPTICA.441004
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author Gustschin, Alex
Riedel, Mirko
Taphorn, Kirsten
Petrich, Christian
Gottwald, Wolfgang
Noichl, Wolfgang
Busse, Madleen
Francis, Sheila E.
Beckmann, Felix
Hammel, Jörg U.
Moosmann, Julian
Thibault, Pierre
Herzen, Julia
author_facet Gustschin, Alex
Riedel, Mirko
Taphorn, Kirsten
Petrich, Christian
Gottwald, Wolfgang
Noichl, Wolfgang
Busse, Madleen
Francis, Sheila E.
Beckmann, Felix
Hammel, Jörg U.
Moosmann, Julian
Thibault, Pierre
Herzen, Julia
author_sort Gustschin, Alex
collection PubMed
description Two-dimensional (2D) Talbot array illuminators (TAIs) were designed, fabricated, and evaluated for high-resolution high-contrast x-ray phase imaging of soft tissue at 10–20 keV. The TAIs create intensity modulations with a high compression ratio on the micrometer scale at short propagation distances. Their performance was compared with various other wavefront markers in terms of period, visibility, flux efficiency, and flexibility to be adapted for limited beam coherence and detector resolution. Differential x-ray phase contrast and dark-field imaging were demonstrated with a one-dimensional, linear phase stepping approach yielding 2D phase sensitivity using unified modulated pattern analysis (UMPA) for phase retrieval. The method was employed for x-ray phase computed tomography reaching a resolution of 3 µm on an unstained murine artery. It opens new possibilities for three-dimensional, non-destructive, and quantitative imaging of soft matter such as virtual histology. The phase modulators can also be used for various other x-ray applications such as dynamic phase imaging, super-resolution structured illumination microscopy, or wavefront sensing.
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spelling pubmed-105671012023-10-12 High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators Gustschin, Alex Riedel, Mirko Taphorn, Kirsten Petrich, Christian Gottwald, Wolfgang Noichl, Wolfgang Busse, Madleen Francis, Sheila E. Beckmann, Felix Hammel, Jörg U. Moosmann, Julian Thibault, Pierre Herzen, Julia Optica Article Two-dimensional (2D) Talbot array illuminators (TAIs) were designed, fabricated, and evaluated for high-resolution high-contrast x-ray phase imaging of soft tissue at 10–20 keV. The TAIs create intensity modulations with a high compression ratio on the micrometer scale at short propagation distances. Their performance was compared with various other wavefront markers in terms of period, visibility, flux efficiency, and flexibility to be adapted for limited beam coherence and detector resolution. Differential x-ray phase contrast and dark-field imaging were demonstrated with a one-dimensional, linear phase stepping approach yielding 2D phase sensitivity using unified modulated pattern analysis (UMPA) for phase retrieval. The method was employed for x-ray phase computed tomography reaching a resolution of 3 µm on an unstained murine artery. It opens new possibilities for three-dimensional, non-destructive, and quantitative imaging of soft matter such as virtual histology. The phase modulators can also be used for various other x-ray applications such as dynamic phase imaging, super-resolution structured illumination microscopy, or wavefront sensing. Optical Society of America 2021-12-10 /pmc/articles/PMC10567101/ /pubmed/37829605 http://dx.doi.org/10.1364/OPTICA.441004 Text en Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. https://creativecommons.org/licenses/by/4.0/ https://creativecommons.org/licenses/by/4.0/ 2334-2536/21/121588-08
spellingShingle Article
Gustschin, Alex
Riedel, Mirko
Taphorn, Kirsten
Petrich, Christian
Gottwald, Wolfgang
Noichl, Wolfgang
Busse, Madleen
Francis, Sheila E.
Beckmann, Felix
Hammel, Jörg U.
Moosmann, Julian
Thibault, Pierre
Herzen, Julia
High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators
title High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators
title_full High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators
title_fullStr High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators
title_full_unstemmed High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators
title_short High-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2D Talbot array illuminators
title_sort high-resolution and sensitivity bi-directional x-ray phase contrast imaging using 2d talbot array illuminators
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10567101/
https://www.ncbi.nlm.nih.gov/pubmed/37829605
http://dx.doi.org/10.1364/OPTICA.441004
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