Journal Article

PUBDB-2026-00798

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Temporal pulse shaping aspects of refractive X-ray lenses

Trost, F. (Corresponding author)Extern*XFEL.EU* ; Bielecki, J. ; Bean, R. (Corresponding author)XFEL.EU*

2026
IUCr Chester

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Please use a persistent id in citations: doi:10.1107/S1600577525008975

Abstract: Refractive X-ray lenses are frequently used components at modern X-ray free-electron laser facilities. This work investigates the temporal effects of refractiveoptics on ultra-short X-ray pulses, particularly focusing on pulse elongation. Wepresent a model using full Fresnel theory to study the beam profile at the focusin space and time. Refractive X-ray lenses not only change the temporalstructure of the pulse, the focus size is also dependent on the incoming pulseduration. Further, we present a simplified ray-tracing model to estimate thepulse stretching effect of compound refractive lenses (CRLs), which we find tobe dependent only on the dispersion and the absorption of the CRL materia

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Contributing Institute(s):

1. SPB/SFX (XFEL_E1_SPB/SFX)

Research Program(s):

1. 6G13 - Accelerator of European XFEL (POF4-6G13) (POF4-6G13)

Experiment(s):

1. Experiments at XFEL

Appears in the scientific report 2026

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