Author: Roslund, L.K.
Paper Title Page
TUOBM01 ForMAX: A Beamline for Multi-Scale and Multi-Modal Structural Characterisation of Hierarchical Materials 15
 
  • J.B. González Fernández, V.H. Haghighat, S.A. McDonald, K. Nygård, L.K. Roslund
    MAX IV Laboratory, Lund University, Lund, Sweden
 
  Funding: Knut and Alice Wallenberg Foundation
ForMAX is an advanced beamline at MAX IV Laboratory, enabling multi-scale structural characterisation of hierarchical materials from nm to mm length scales with high temporal resolution. It combines full-field microtomography with small- and wide-angle x-ray scattering (SWAXS) techniques, operating at 8-25 keV and providing a variable beam size. The beamline supports SWAXS, scanning SWAXS imaging, absorption contrast tomography, propagation-based phase contrast tomography, and fast tomography. The experimental station is a versatile in-house design, tailored for various sample environments, allowing seamless integration of multiple techniques in the same experiment. The end station features a nine-meter-long evacuated flight tube with a motorized small-angle x-ray scattering (SAXS) detector trolley. Additionally, a granite gantry enables independent movement of the tomography microscope and custom-designed wide-angle x-ray (WAXS) detector. These features facilitate efficient switching and sequential combination of techniques. With commissioning completed in 2022, ForMAX End Station has demonstrated excellent performance and reliability in numerous high-quality experiments.
 
slides icon Slides TUOBM01 [85.355 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOBM01  
About • Received ※ 23 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 04 November 2023 — Issued ※ 12 May 2024
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THPPP049 Realization of a Compact APPLE X Undulator 346
 
  • L.K. Roslund, M.A. Al-Najdawi, L.F. Balbin, S.M. Benedictsson, M. Ebbeni, M. Holz, H. Tarawneh, K. Åhnberg
    MAX IV Laboratory, Lund University, Lund, Sweden
 
  The APPLE X is a compact elliptically polarizing undulator with a small round magnetic gap that provides full polarization control of synchrotron radiation at a lower cost and in less built-in space than comparable devices. The APPLE X will be the source for MAX IV’s potential future Soft X-ray (SXL) FEL. The mechanical design, finite element analysis optimization, assembly process, magnetic measurements, and shimming of a full-scale 2 m, 40 mm-period SmCo permanent magnet undulator are presented.  
DOI • reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-THPPP049  
About • Received ※ 23 October 2023 — Revised ※ 05 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 07 December 2023
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