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RIS citation export for MOPHA040: Beam Position Feedback System Supported by Karabo at European XFEL

AU  - Bondar, V.
AU  - Beg, M.
AU  - Bergemann, M.
AU  - Brockhauser, S.
AU  - Carinan, C.
AU  - Costa, R.
AU  - Dall'Antonia, F.
AU  - Danilevski, C.
AU  - Ehsan, W.
AU  - Esenov, S.G.
AU  - Fabbri, R.
AU  - Fangohr, H.
AU  - Flucke, G.
AU  - Fulla Marsa, D.
AU  - Galler, A.
AU  - Giovanetti, G.
AU  - Goeries, D.
AU  - Grünert, J.
AU  - Hauf, S.
AU  - Hickin, D.G.
AU  - Jarosiewicz, T.
AU  - Kamil, E.
AU  - Kirienko, Y.
AU  - Klimovskaia, A.
AU  - Kluyver, T.A.
AU  - Mamchyk, D.
AU  - Michelat, T.
AU  - Mohacsi, I.
AU  - Parenti, A.
AU  - Rück, D.B.
AU  - Santos, H.
AU  - Schaffer, R.
AU  - Silenzi, A.
AU  - Youngman, C.
AU  - Zalden, P.
AU  - Zhu, J.
ED  - White, Karen S.
ED  - Brown, Kevin A.
ED  - Dyer, Philip S.
ED  - Schaa, Volker RW
TI  - Beam Position Feedback System Supported by Karabo at European XFEL
J2  - Proc. of ICALEPCS2019, New York, NY, USA, 05-11 October 2019
CY  - New York, NY, USA
T2  - International Conference on Accelerator and Large Experimental Physics Control Systems
T3  - 17
LA  - english
AB  - The XrayFeed device of Karabo [1, 2] is designed to provide spatial X-ray beam stability in terms of drift compensation utilizing different diagnostic components at the European XFEL (EuXFEL). Our feedback systems proved to be indispensable in cutting-edge pump-probe experiments at EuXFEL. The feedback mechanism is based on a closed loop PID control algorithm [3] to steer the beam position measured by a so-called diagnostic devices to the desired centered position via defined actuator adjusting the alignment of X-ray optical elements, in our case a flat X-ray mirror system. Several diagnostic devices and actuators can be selected according to the specific experimental area where a beam position feedback is needed. In this contribution, we analyze the improvement of pointing stability of X-rays using different diagnostic devices as an input source for our feedback system. Different types of photon diagnostic devices such as gas-based X-ray monitors [4], quadrant detectors based on avalanche photo diodes [5] and optical cameras imaging the X-ray footprint on scintillator screens have been evaluated in our pointing stability studies.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 281
EP  - 284
KW  - controls
KW  - feedback
KW  - diagnostics
KW  - photon
DA  - 2020/08
PY  - 2020
SN  - 2226-0358
SN  - 978-3-95450-209-7
DO  - doi:10.18429/JACoW-ICALEPCS2019-MOPHA040
UR  - https://jacow.org/icalepcs2019/papers/mopha040.pdf
ER  -