KIT | KIT-Bibliothek | Impressum | Datenschutz

Status of a Prototype HTS Helical Undulator Coil for Compact FELs

Richter, Sebastian C.; Ballarino, Amalia; Bernhard, Axel ORCID iD icon 1; Müller, Anke Susanne ORCID iD icon 1
1 Institut für Beschleunigerphysik und Technologie (IBPT), Karlsruher Institut für Technologie (KIT)

Abstract:

A superconducting helical undulator is not only very compact but also more effective in terms of synchrotron radiation production and free-electron laser (FEL) amplification compared to other undulator geometries. Furthermore, the superconductor is used very efficiently in a helical geometry with respect to the undulator field generation and the produced circular polarized photons are suitable for the majority of experiments performed at FEL facilities. To realize more compact FELs, a combination of short-period and high-field undulators are required. We investigate the application of high-temperature superconductors (HTS) to reach higher magnetic fields at 4.2 K and larger operating margins as compared to low-temperature superconductors. This contribution discusses the development work done on a superconducting helical undulator prototype with a period length of 13 mm, wound in a bifilar winding scheme from coated REBCO tape conductor. Electromagnetic simulations predict a peak field amplitude of up to 2.8 T for a 5 mm gap at 4.2 K. The status of a prototype coil is presented and discussed.


Zugehörige Institution(en) am KIT Institut für Beschleunigerphysik und Technologie (IBPT)
Laboratorium für Applikationen der Synchrotronstrahlung (LAS)
Publikationstyp Poster
Publikationsjahr 2022
Sprache Englisch
Identifikator KITopen-ID: 1000149669
HGF-Programm 54.11.11 (POF IV, LK 01) Accelerator Operation, Research and Development
Veranstaltung 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12.06.2022 – 17.06.2022
Externe Relationen Siehe auch
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
KITopen Landing Page