Presentation
18 June 2024 Extreme ultraviolet interference coatings for attosecond science
Franck Delmotte, Sébastien de Rossi, Evgueni Meltchakov, Charles Bourassin-Bouchet, Eirini Papagiannouli, Arnaud Jérome
Author Affiliations +
Abstract
The era of attosecond physics requires complex EUV and soft X-ray optical components with challenging specifications. Interference coatings with high efficiency, good stability, enhanced selectivity and/or broad bandwidth and phase control are key components to manipulate the ultra-short pulses generated by coherent sources like High Harmonic Generation or X-ray Free Electron Lasers. In this talk, we will discuss details of novel, tailored multilayer optics that we have been developing for the last 20 years for ultrafast sources. We will show that phase-controlled interference coatings provide a powerful tool towards transporting or even compressing attosecond pulses. Measuring the spectral phase of such mirrors requires specific methods that have been developed for the EUV range and extended up to the soft X-ray domain. Finally, we will present the recent development of a delay line with advanced multilayer optics for the femto/attosecond beamlines in Paris-Saclay (ATTOLAB).
Conference Presentation
© (2024) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Franck Delmotte, Sébastien de Rossi, Evgueni Meltchakov, Charles Bourassin-Bouchet, Eirini Papagiannouli, and Arnaud Jérome "Extreme ultraviolet interference coatings for attosecond science", Proc. SPIE PC13020, Advances in Optical Thin Films VIII, PC130200L (18 June 2024); https://doi.org/10.1117/12.3025173
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KEYWORDS
Extreme ultraviolet

Optical coatings

Ultrafast phenomena

X-rays

High harmonic generation

Multilayers

Physical coherence

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