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 8
(a) A 3D CAD model of the detector bench in IA2 of the HED hutch. The detector bench offers motorized translations parallel and perpendicular to the X-ray beam in the horizontal direction by motorized rail systems that are located in the floor of the HED hutch and on top of the detector bench, respectively. The AGIPD detector may also be moved in the vertical direction through a system of four motorized jacks. Electronics racks below the detector bench platform house the external electronics of the above detectors, as well digitizers for the DIMs from IC2 and the beam stop. (b) Photoelectric absorption plots for different sensor materials as a function of X-ray beam energy. GaAs and CdTe sensor materials display an almost 100% absorption (quantum efficiency assuming a thickness of 0.5–1 mm) at 25 keV, which is the maximum energy that the EuXFEL may reach on the fundamental harmonic.

JOURNAL OF
SYNCHROTRON
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ISSN: 1600-5775

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

https://doi.org/10.1107/S1600577521002551

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