[HTML][HTML] Recent progress in high-temperature superconducting undulators

Z Chen, M Calvi, J Durrell, C Boffo, D Wei, K Zhang… - Superconductivity, 2024‏ - Elsevier
Considerable effort has been devoted to the development of superconducting undulators
(SCUs) intended for particle accelerator-based light sources, including synchrotrons and …

Record field in a 10 mm-period bulk high-temperature superconducting undulator

K Zhang, A Pirotta, X Liang, S Hellmann… - Superconductor …, 2023‏ - iopscience.iop.org
Abstract A 10 mm-period, high-temperature superconducting (HTS) undulator consisting of
20 staggered-array GdBa 2 Cu 3 O 7− x (GdBCO) bulk superconductors has been fabricated …

GdBCO bulk superconducting helical undulator for x-ray free-electron lasers

M Calvi, S Hellmann, E Prat, T Schmidt, K Zhang… - Physical Review …, 2023‏ - APS
We report on the performance of a new type of helical undulator based on bulk single-grain
GdBa 2 Cu 3 O 7− δ high-temperature superconductors. The 104-mm-long prototype with a …

Superconducting undulator activities at the European X-ray free-electron laser facility

S Casalbuoni, S Abeghyan, L Alanakyan… - Frontiers in …, 2023‏ - frontiersin.org
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) …

High performance one-step grown half-moon shaped YBCO bulk superconductors

X Wang, X Liu, D Wei, Y Shi, C Cai… - Superconductor …, 2024‏ - iopscience.iop.org
High-temperature superconducting (HTS) undulator exploiting the high trapped field of HTS
bulk superconductors enables the design of extremely short-period insertion devices for …

Thermal performance research on the zero liquid helium consumption cryostat for a superconducting undulator

X Zhang, M Xu, Z Chen, X Yang, X Yang, T Zhao, R Ye… - Energy, 2024‏ - Elsevier
Superconducting undulators generally depend on a liquid helium cryostat. If the cryostat can
liquefy the boil-off helium completely, a large helium refrigerator can be avoided, and a large …

Measurement setup and magnetic field studies of a compact superconducting undulator with laser-structured HTS tapes

B Krasch, F Abusaif, T Arndt, N Glamann… - IEEE Transactions …, 2024‏ - ieeexplore.ieee.org
Undulators are X-ray sources which are widely used in synchrotron storage rings and free-
electron laser (FEL) facilities. As the development of future light sources envisages smaller …

Electromagnetic design study of a 12-mm-period bulk high-temperature superconducting undulator

D Wei, M Calvi, K Zhang, H Deng - IEEE Transactions on …, 2023‏ - ieeexplore.ieee.org
The bulk high-temperature superconducting (HTS) undulator shows great potential for being
used in a compact free-electron laser, shortening the length of both the undulator system …

Mechanical stress analysis of Re-Ba-Cu-O bulk superconductors for the HTS undulator during assembly, cool down and field-cooled magnetization

D Wei, Z Chen, X Wang, D Zhou… - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
The bulk high-temperature superconducting undulator can produce an on-axis magnetic
field of up to 2.1 T for a period as short as 10 mm, outperforming current permanent magnet …

Development and testing of a three-period, subsize 2G AIMI MgB2 planar undulator

T Garg, J Rochester, M Majoros… - Superconductor …, 2023‏ - iopscience.iop.org
Abstract Compared to Nb 3 Sn-and NbTi-wound superconducting undulators (SCUs), MgB 2-
wound SCUs are of interest for future electron synchrotron beam light sources owing to their …