Journal Article

PUBDB-2023-07506

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Superconducting undulator activities at the European X-ray Free-Electron Laser Facility

Casalbuoni, S. (Corresponding author)XFEL.EU* ; Abeghyan, S.XFEL.EU* ; Alanakyan, L.XFEL.EU* ; Baader, J.XFEL.EU* ; Barbanotti, S.DESY* ; Decking, W.XFEL.EU*DESY* ; Felice, M. D. ; Eckoldt, H.-J.DESY* ; Englisch, U.XFEL.EU* ; Geloni, G.XFEL.EU* ; Grattoni, V.XFEL.EU*DESY* ; Grau, A. ; Hauberg, A.DESY* ; Helwich, C.DESY* ; Hobl, A. ; Jensch, K.DESY* ; Karabekyan, S.XFEL.EU* ; Civita, D. L. ; Lederer, S.DESY* ; Lechner, C.XFEL.EU*DESY* ; Lilje, L.DESY* ; Liu, S.DESY* ; Marchetti, B.XFEL.EU* ; Potter, A.Extern* ; Schnautz, T.DESY* ; Schneidmiller, E.XFEL.EU*DESY* ; Sinn, H.XFEL.EU* ; Walter, W. ; Wichmann, R.XFEL.EU*DESY* ; Wohlenberg, T.DESY* ; Yakopov, G.DESY* ; Yakopov, M.XFEL.EU* ; Zagorodnov, I.DESY* ; Zimmermann, R.DESY* ; Ziolkowski, P.XFEL.EU*

2023
Frontiers Media Lausanne

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Please use a persistent id in citations: doi:10.3389/fphy.2023.1204073  doi:10.3204/PUBDB-2023-07506

Abstract: For more than 5 years, superconducting undulators (SCUs) have been successfully delivering X-rays in storage rings. The European X-Ray Free-Electron Laser Facility (XFEL) plans to demonstrate the operation of SCUs in X-ray free-electron lasers (FELs). For the same geometry, SCUs can reach a higher peak field on the axis with respect to all other available technologies, offering a larger photon energy tunability range. The application of short-period SCUs in a high electron beam energy FEL > 11 GeV will enable lasing at very hard X-rays > 40 keV. The large tunability range of SCUs will allow covering the complete photon energy range of the soft X-ray experiments at the European XFEL without changing electron beam energy, as currently needed with the installed permanent magnet undulators. For a possible continuous-wave (CW) upgrade under discussion at the European XFEL with a lower electron beam energy of approximately 7–8 GeV, SCUs can provide the same photon energy range as available at present with the permanent magnet undulators and electron energies. This paper will describe the potential of SCUs for X-ray FELs. In particular, it will focus on the different activities ongoing at the European XFEL and in collaboration with DESY to allow the implementation of SCUs in the European XFEL in the upcoming years.

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Contributing Institute(s):

1. Magnetstrom, Modulatoren und Senderstrom (MPC1)
2. Kryogenik (MKS1)
3. Koordination des XFEL-Beschleunigers (MXL)
4. Entwicklung Leistungselektronik (MPC)
5. Vakuumsysteme (MVS)
6. Procurement DESY Accelerator (XFEL_ADM_PROC_DA)
7. Kryogenik und Supraleitung (MKS)
8. DOOR-User (DOOR ; HAS-User)

Research Program(s):

1. 621 - Accelerator Research and Development (POF4-621) (POF4-621)

Experiment(s):

1. Experiments at XFEL

Appears in the scientific report 2023

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