Paper |
Title |
Page |
TUPOPT014 |
The Status of the SASE3 Variable Polarization Project at the European XFEL |
1029 |
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- S. Karabekyan, S. Abeghyan, M. Bagha-Shanjani, S. Casalbuoni, U. Englisch, W. Freund, G. Geloni, J. Grünert, S. Hauf, C. Holz, D. La Civita, J. Laksman, D. Mamchyk, M.P. Planas, F. Preisskorn, S. Serkez, H. Sinn, M. Wuenschel, M. Yakopov, C. Youngman
EuXFEL, Schenefeld, Germany
- P. Altmann, A. Block, W. Decking, L. Fröhlich, O. Hensler, T. Ladwig, D. Lenz, D. Lipka, R. Mattusch, N. Mildner, E. Negodin, J. Prenting, F. Saretzki, M. Schlösser, F. Schmidt-Föhre, E. Schneidmiller, M. Scholz, D. Thoden, T. Wamsat, T. Wilksen, T. Wohlenberg, M.V. Yurkov
DESY, Hamburg, Germany
- J. Bahrdt
HZB, Berlin, Germany
- M. Brügger, M. Calvi, S. Danner, R. Ganter, L. Huber, A. Keller, C. Kittel, X. Liang, S. Reiche, M.S. Schmidt, T. Schmidt, K. Zhang
PSI, Villigen PSI, Switzerland
- D.E. Kim
PAL, Pohang, Republic of Korea
- Y. Li
IHEP, People’s Republic of China
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The undulator systems at the European XFEL consist of two hard X-ray systems, SASE1 and SASE2, and one soft X-ray system, SASE3. All three systems are equipped with planar undulators using permanent neodymium magnets. These systems allow the generation of linearly polarized radiation in the horizontal plane. In order to generate variable polarization radiation in the soft X-ray range, an afterburner is currently being implemented behind the SASE3 planar undulator system. It consists of four APPLE-X helical undulators. The project, called SASE 3 Variable Polarization, is close to being put into operation. All four helical undulators have been installed in the tunnel during the 2021-2022 winter shutdown. This paper describes the status of the project and the steps toward its commissioning. It also presents lessons learned during the implementation of the project.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOPT014
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About • |
Received ※ 02 June 2022 — Revised ※ 12 June 2022 — Accepted ※ 13 June 2022 — Issue date ※ 05 July 2022 |
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TUPOMS029 |
Status of the PETRA IV Machine Project |
1475 |
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- R. Bartolini, I.V. Agapov, A. Aloev, R. Bacher, R. Böspflug, H.-J. Eckoldt, J. Hauser, M. Hüning, P. Hülsmann, N. Koldrack, B. Krause, L. Lilje, G. Loisch, R. Onken, A. Petrov, S. Pfeiffer, J. Prenting, H. Schlarb, M. Thede, M. Tischer
DESY, Hamburg, Germany
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DESY is planning the upgrade of PETRA III to a fourth generation light source, providing high brightness, quasi diffraction limited hard X-ray photons. The project is underpinned by the construction of a new storage ring PETRA IV, based on a 20 pm accelerator lattice using a hybrid 6-bend achromat concept. We review here the status of the machine project, the latest development in the different technical subsystems, the status of the engineering integration and the plans for the implementation of the new ring in the existing PETRA III tunnel.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOMS029
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About • |
Received ※ 14 June 2022 — Revised ※ 14 June 2022 — Accepted ※ 16 June 2022 — Issue date ※ 21 June 2022 |
Cite • |
reference for this paper using
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※ LaTeX,
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