Considerable effort has been devoted to the development of superconducting undulators
(SCUs) intended for particle accelerator-based light sources, including synchrotrons and …

C-band technology is emerging as an exciting innovative approach to the creation of
compact new accelerators. Besides the possibility to sustain higher gradients and higher …

We present high-resolution measurements of the electron beam energy spread at the
SwissFEL injector as a function of the electron bunch charge, the optics, and the longitudinal …

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 …

A backward computation method has been developed to accelerate modelling of the critical
state magnetization current in a staggered-array bulk high-temperature superconducting …

Abstract The FREIA Laboratory at Uppsala University focuses on superconducting
technology and accelerator development. It actively supports the development of the …

The AV formulation based iterative algorithm method (IAM), developed at Paul Scherrer
Institute, shows excellent performance in modeling the critical state magnetization-current in …

High-gain free-electron lasers (FELs) are driven by short, high-charge density electron
beams as only produced at dedicated single pass or recirculating linear accelerators. We …

XARA (X-band Accelerator for Research and Applications) is a proposal for a compact~ 1
GeV/c accelerator to produce attosecond light pulses in the EUV to soft X-ray region. It is …

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 …