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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.
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Contributor : Caroline Lebe Connect in order to contact the contributor
Submitted on : Thursday, June 11, 2015 - 2:55:47 PM
Last modification on : Wednesday, July 6, 2022 - 10:42:20 AM




S. Künzel, G. O. Williams, W. Boutu, E. Galtier, B. Barbrel, et al.. Shot-to-shot intensity and wavefront stability of high-harmonic generation. Applied optics, Optical Society of America, 2015, 54 (15), pp.4745-4749. ⟨10.1364/AO.54.004745⟩. ⟨cea-01162841⟩



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