title: Shot-to-shot intensity and wavefront stability of high-harmonic generation.
abstract: We report on the shot-to-shot stability of intensity and spatial phase of high-harmonic generation (HHG). The intensity stability is measured for each high-harmonic (HH) order with a spectrometer. Additionally, the spatial phase is measured with an XUV wavefront sensor for a single HH order measured in a single shot, which according to our knowledge was not reported before with a Hartmann wavefront sensor. Furthermore, we compare the single-shot measurement of the spatial phase with time-integrated measurements and we show that the XUV wavefront sensor is a useful tool to simultaneously optimize the spatial phase and intensity of HHG within the available HHG parameter range used in this study.
authors.forename: S
authors.initials: S
authors.lastname: Künzel
authors.forename: G O
authors.initials: GO
authors.lastname: Williams
authors.forename: W
authors.initials: W
authors.lastname: Boutu
authors.forename: E
authors.initials: E
authors.lastname: Galtier
authors.forename: B
authors.initials: B
authors.lastname: Barbrel
authors.forename: H J
authors.initials: HJ
authors.lastname: Lee
authors.forename: B
authors.initials: B
authors.lastname: Nagler
authors.forename: U
authors.initials: U
authors.lastname: Zastrau
authors.forename: G
authors.initials: G
authors.lastname: Dovillaire
authors.forename: R W
authors.initials: RW
authors.lastname: Lee
authors.forename: H
authors.initials: H
authors.lastname: Merdji
authors.forename: Ph
authors.initials: P
authors.lastname: Zeitoun
authors.forename: M
authors.initials: M
authors.lastname: Fajardo