Journal Article

PUBDB-2024-01830

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Stereo Hard X-ray Ptychography

Roeper, S. (Corresponding author)DESY* ; Hussak, S.-A.DESY* ; Stachnik, K.Extern* ; Koziej, D.Extern* ; Åstrand, M.Extern* ; Vogt, U.Extern* ; Carus, C.Extern* ; Dora, J.Extern*DESY* ; Hagemann, J.DESY* ; Seyrich, M.XFEL.EU*DESY* ; Schroer, C.XFEL.EU*DESY* ; Schropp, A.XFEL.EU*DESY*

2025
Optica Washington, DC

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Please use a persistent id in citations: doi:10.1364/OE.559273  doi:10.3204/PUBDB-2024-01830

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.

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Contributing Institute(s):

1. FS-PETRA (FS-PETRA)
2. DOOR-User (DOOR ; HAS-User)

Research Program(s):

1. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)
2. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
3. DFG project G:(GEPRIS)426888090 - SFB 1441: Verfolgung der aktiven Zentren in heterogenen Katalysatoren für die Emissionskontrolle (TrackAct) (426888090) (426888090)
4. HIDSS-0002 - DASHH: Data Science in Hamburg - Helmholtz Graduate School for the Structure of Matter (2019_IVF-HIDSS-0002) (2019_IVF-HIDSS-0002)
5. 05K20GUA - Verbundprojekt 05K2020 - 2019-06104 XStereoVision: Stereoskopische Röntgenmikroskopie zur Untersuchung von Nukleation, Wachstum und Aufbau von Nanopartikeln in 3D (BMBF-05K20GUA) (BMBF-05K20GUA)
6. SFB 1441 C03 - Chemische Bildgebung von strukturierten Katalysatoren mittels hochauflösender Röntgenmikroskopie in 2D und 3D (C03) (446709595) (446709595)
7. Hi-Acts - Helmholtz Innovation Plattform for Accelerator-based Technologies and Solutions (2024_HGF-Hi-Acts) (2024_HGF-Hi-Acts)
8. FS-Proposal: I-20220436 EC (I-20220436-EC) (I-20220436-EC)

Experiment(s):

1. PETRA Beamline P06 (PETRA III)

Appears in the scientific report 2025

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