Novel experimental setup for megahertz X-ray diffraction in a diamond anvil cell at the High Energy Density (HED) instrument of the European X-ray Free-Electron Laser (EuXFEL)

Liermann, H.P.; Konôpková, Z.; Appel, K.; Prescher, C.; Schropp, A.; Cerantola, V.; Husband, R.J.; McHardy, J.D.; McMahon, M.I.; McWilliams, R.S.; Pépin, C.M.; Mainberger, J.; Roeper, M.; Berghäuser, A.; Damker, H.; Talkovski, P.; Foese, M.; Kujala, N.; Ball, O.B.; Baron, M.A.; Briggs, R.; Bykov, M.; Bykova, E.; Chantel, J.; Coleman, A.L.; Cynn, H.; Dattelbaum, D.; Dresselhaus-Marais, L.E.; Eggert, J.H.; Ehm, L.; Evans, W.J.; Fiquet, G.; Frost, M.; Glazyrin, K.; Goncharov, A.F.; Hwang, H.; Jenei, Z.; Kim, J.-Y.; Langenhorst, F.; Lee, Y.; Makita, M.; Marquardt, H.; McBride, E.E.; Merkel, S.; Morard, G.; O'Bannon, E.F.; Otzen, C.; Pace, E.J.; Pelka, A.; Pigott, J.S.; Prakapenka, V.B.; Redmer, R.; Sanchez-Valle, C.; Schoelmerich, M.; Speziale, S.; Spiekermann, G.; Sturtevant, B.T.; Toleikis, S.; Velisavljevic, N.; Wilke, M.; Yoo, C.-S.; Baehtz, C.; Zastrau, U.; Strohm, C.

doi:10.1107/S1600577521002551

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Figure 3
A typical SASE2 spectrum collected with an Si(111) crystal using the HIREX-II spectrometer at the beginning of the 1st UCAC experiment. The spectrum shows a central energy of 17.818 keV with a FWHM of 37 eV (± 4 eV) and a pulse-to-pulse jitter of 5 eV over eight consecutive pulses within a pulse train. The red line in the top graph shows data for a single pulse in a train, the blue line the smoothed data and the green line the corresponding Gaussian fit. The bottom graph shows the GOTTHARD detector image for a number of pulses in one train.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 28| Part 3| May 2021| Pages 688-706

https://doi.org/10.1107/S1600577521002551

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