Single-shot temporal profile measurement of a soft X-ray laser pulse

2018/10/29 by F. Tissandier, Tissandier, Fabien, J. Gautier +15
Physics and Astronomy · #Advanced X-ray Imaging Techniques #FOS: Physical sciences #Instrumentation and Detectors (physics.ins-det) #Laser-Matter Interactions and Applications #Laser-Plasma Interactions and Diagnostics #Optics (physics.optics)

paper · pdf · doi:10.48550/arxiv.1811.01858

openalex publication_date 2018/10/29 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We report an original method allowing to recover the temporal profile of any kind of soft X-ray laser pulse in single-shot operation. We irradiated a soft X-ray multilayer mirror with an intense infrared femtosecond laser pulse in a traveling wave geometry and took advantage of the sudden reflectivity drop of the mirror to reconstruct the temporal profile of the soft X-ray pulse. We inferred a pulse shape with a duration of a few ps in good agreement with numerical calculations and experimental work.

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