Journal Article

PUBDB-2025-00793

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Achieving nanosecond time resolution with a two-dimensional X-ray detector

Chushkin, Y. (Corresponding author)Extern* ; Correa Magdalena, J. (Corresponding author)CFEL*DESY* ; Ignatenko, A.CFEL*DESY* ; Pennicard, D.CFEL*DESY* ; Lange, S.CFEL*DESY* ; Fridman, S.CFEL*DESY* ; Karl, S. ; Senfftleben, B.XFEL.EU* ; Lehmkühler, F.DESY* ; Westermeier, F.DESY* ; Graafsma, H.CFEL*DESY* ; Cammarata, M.Extern*

2025
IUCr Chester

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Please use a persistent id in citations: doi:10.1107/S1600577525006599  doi:10.3204/PUBDB-2025-00793

Abstract: The fastest pixel array X-ray detectors can record images with nanosecond resolution. This is accomplished by storing only a few images in in-pixel memory cells. In this study, we demonstrate nanosecond resolution over a large number of images by operating a prototype detector in an event driven mode. The performance of this mode is tested by measuring the Brownian dynamics of colloidal nanoparticles. We can achieve sub-100 ns time resolution and overcome the pixel dead time by applying a cross-correlation analysis of the neighboring pixels. The approach used in this work can be extended to study time-resolved fast processes with diffraction, scattering or imaging techniques.

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Contributing Institute(s):

1. FS-Detektor Systeme (FS-DS)
2. Coherent X-ray Scattering (FS-CXS)
3. Experimentebetreuung PETRA III (FS-PET-S)

Research Program(s):

1. 622 - Detector Technologies and Systems (POF4-622) (POF4-622)
2. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
3. AIM, DFG project G:(GEPRIS)390715994 - EXC 2056: CUI: Advanced Imaging of Matter (390715994) (390715994)

Experiment(s):

1. PETRA Beamline P10 (PETRA III)

Appears in the scientific report 2025

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