Stereo hard X-ray ptychography

Hard X-ray ptychography has strongly developed during the last decade, enabling one to visualize structural properties of materials at high spatial resolution. By combining it with multi-slicing or tomographic techniques, optically thick samples can be investigated in 3D. Nevertheless, the depth resolution in multi-slicing is often limited to several micrometers by the ptychographic optical system and a full laminographic or tomographic investigation may be hindered by experimental constraints of limited space or acquisition time. Here, we introduce a stereoscopic imaging system using two inclined nanofocused X-ray beams to illuminate a sample at varying angles at the same time. Similar to human vision, adding these stereoscopic views results in considerably improved in-depth resolution beyond the current limits of pure 2D imaging systems. This is especially promising for experimental applications requiring bulky sample environments.

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Publication Details

Journal
Optics Express
Published
2025-05-15
DOI
https://doi.org/10.1364/oe.559273
Primary Topic
Advanced X-ray Imaging Techniques
Type
article
Field-Weighted Citation Impact
0.00

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article

Stereo hard X-ray ptychography

J. Hagemann, Martin Seyrich, Ulrich Vogt, Karolina Stachnik et al.
1 links
Optics Express
Advanced X-ray Imaging Techniques
article

Stereo hard X-ray ptychography

J. Hagemann, Martin Seyrich, Ulrich Vogt, Karolina Stachnik, Christian G. Schroer, Andreas Schropp, Sarah-Alexandra Hussak, Dorota Koziej, Mattias Åstrand, Johannes Dora, Caterina Carus, Sina Röper
article en

Abstract

Hard X-ray ptychography has strongly developed during the last decade, enabling one to visualize structural properties of materials at high spatial resolution. By combining it with multi-slicing or tomographic techniques, optically thick samples can be investigated in 3D. Nevertheless, the depth resolution in multi-slicing is often limited to several micrometers by the ptychographic optical system and a full laminographic or tomographic investigation may be hindered by experimental constraints of limited space or acquisition time. Here, we introduce a stereoscopic imaging system using two inclined nanofocused X-ray beams to illuminate a sample at varying angles at the same time. Similar to human vision, adding these stereoscopic views results in considerably improved in-depth resolution beyond the current limits of pure 2D imaging systems. This is especially promising for experimental applications requiring bulky sample environments.

Optics ExpressVol. 33(11)
Universität Hamburg (DE), KTH Royal Institute of Technology (SE), Hamburg University of Technology (DE)
Deutsche Forschungsgemeinschaft, Bundesministerium für Bildung und Forschung, Vetenskapsrådet, Helmholtz Association
Openalex Percentile: Top 88%
Advanced X-ray Imaging Techniques
DOIOpen Access PDFOpenAlex
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