Temporal cross-correlation of x-ray free electron and optical lasers using soft x-ray pulse induced transient reflectivity

Optics Express
O KrupinW Wurth

Abstract

The recent development of x-ray free electron lasers providing coherent, femtosecond-long pulses of high brilliance and variable energy opens new areas of scientific research in a variety of disciplines such as physics, chemistry, and biology. Pump-probe experimental techniques which observe the temporal evolution of systems after optical or x-ray pulse excitation are one of the main experimental schemes currently in use for ultrafast studies. The key challenge in these experiments is to reliably achieve temporal and spatial overlap of the x-ray and optical pulses. Here we present measurements of the x-ray pulse induced transient change of optical reflectivity from a variety of materials covering the soft x-ray photon energy range from 500eV to 2000eV and outline the use of this technique to establish and characterize temporal synchronization of the optical-laser and FEL x-ray pulses.

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Citations

Jan 3, 2013·The Review of Scientific Instruments·Kristjan KunnusAlexander Föhlisch
Jan 21, 2014·The Journal of Chemical Physics·T Elsaesser, M Woerner
May 16, 2014·Scientific Reports·F BencivengaC Masciovecchio
Jun 13, 2014·Optics Express·Miltcho B DanailovPaolo Sigalotti
Oct 7, 2016·Faraday Discussions·F BencivengaC Masciovecchio
May 2, 2015·Journal of Synchrotron Radiation·Joshua J TurnerMichael Holmes
Dec 23, 2017·Journal of Synchrotron Radiation·Shigeki OwadaMakina Yabashi
Aug 6, 2020·Optics Express·Stefan DrosteGiacomo Coslovich
May 2, 2015·Journal of Synchrotron Radiation·Georgi L DakovskiJoshua J Turner
Jan 30, 2018·Structural Dynamics·Rafael AbelaLuc Patthey
Oct 7, 2020·Nature Materials·Felix BüttnerStefan Eisebitt
Feb 13, 2021·Scientific Reports·Michael DiezChristian Bressler

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