High-flux source of coherent XUV pulses for user applications
Author(s) -
O. Hort,
Martin Albrecht,
V. E. Nefedova,
O. Finke,
DongDu Mai,
Stéphane Reyné,
Fabio Giambruno,
Fabio Frassetto,
Luca Poletto,
Jakob Andreasson,
J. Gautier,
S. Sebban,
J. Nejdl
Publication year - 2019
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.27.008871
Subject(s) - beamline , extreme ultraviolet , optics , physics , laser , spectrometer , high harmonic generation , beam (structure)
We present experimental results obtained at a user-oriented XUV beamline implemented at the ELI Beamlines facility. The coherent XUV radiation is produced via high harmonic generation in gases in a loose focusing geometry. The beamline is designed to be driven by 1 kHz, 100 mJ, 20 fs pulses centered at a wavelength of 830 nm. Results such as XUV spectra, beam wavefront and pulse energy obtained during the beamline commissioning with a commercial 1 kHz, 5 mJ, 40 fs laser system are presented. A unique XUV spectrometer for source characterization designed to reach a very high sensitivity is described in detail, and we demonstrate a novel technique for single-shot and every-shot XUV pulse energy measurement.
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