Chirped pulse amplification in an extreme-ultraviolet free-electron laser
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Fabio Frassetto
- Function : Author
- PersonId : 781114
- ORCID : 0000-0001-5528-1995
Vincent Leroux
- Function : Author
- PersonId : 758988
- ORCID : 0000-0002-4142-0883
- IdRef : 130904643
Benoît Mahieu
- Function : Author
- PersonId : 19544
- IdHAL : benoit-mahieu
- ORCID : 0000-0002-5439-0433
- IdRef : 170377431
Eléonore Roussel
- Function : Author
- PersonId : 179345
- IdHAL : eleonore-roussel
- ORCID : 0000-0002-4245-6781
- IdRef : 182501434
Sebastian Schulz
- Function : Author
- PersonId : 774482
- ORCID : 0000-0001-6554-3346
Cristian Svetina
- Function : Author
- PersonId : 764652
- ORCID : 0000-0003-2399-4426
Philippe Zeitoun
- Function : Author
- PersonId : 4358
- IdHAL : philippe-zeitoun
- IdRef : 08195574X
Abstract
Chirped pulse amplification in optical lasers is a revolutionary technique, which allows the generation of extremely powerful femtosecond pulses in the infrared and visible spectral ranges. Such pulses are nowadays an indispensable tool for a myriad of applications, both in fundamental and applied research. In recent years, a strong need emerged for light sources producing ultra-short and intense laser-like X-ray pulses, to be used for experiments in a variety of disciplines, ranging from physics and chemistry to biology and material sciences. This demand was satisfied by the advent of short-wavelength free-electron lasers. However, for any given free-electron laser setup, a limit presently exists in the generation of ultra-short pulses carrying substantial energy. Here we present the experimental implementation of chirped pulse amplification on a seeded free-electron laser in the extreme-ultraviolet, paving the way to the generation of fully coherent sub-femtosecond gigawatt pulses in the water window (2.3-4.4 nm).