Year: 2025
Type: article
Abstract: In 2023, researchers from the University of Cambridge and the Paul Scherrer Institute (PSI) successfully demonstrated the feasibility of employing second-generation high-temperature superconducting (HTS) RE-Ba-Cu-O(REBCO) materials for undulator applications, achieving a magnetic field of 2.1 T with a 10 mm period and a 4 mm magnetic gap. This remarkable performance is primarily attributed to the high critical current density (Jc) of REBCO. However, REBCO also presents several challenges, including high production cost, complex fabrication procedures, and limited machinability. In contrast, although MgB₂ exhibits a lowerJc, it offers advantages such as ease of synthesis and machining, making it a promising candidate for undulator development. This study presents the design, preparation fabrication, and assembly of short-period MgB₂ bulk undulators, utilizing spark plasma sintered (SPS) MgB₂ bulks with a 16 mm period and a 4 mm magnetic gap, after 2D size optimization and 3D simulation, it is estimated that an undulator magnetic field of 1.75 T will be generated.
Authors: Dabin Wei, Yimin Tong, Chan Liu, Zhuangwei Chen, Marco Calvi, Alexandre Arsenault, Jacques Noudem, Yiteng Xing, Pierre Bernstein, Kai Zhang, Haixiao Deng
Institutions: Chinese Academy of Sciences, Shanghai Institute of Applied Physics, Shanghai Zhangjiang Laboratory, Zhangjiang Laboratory, Paul Scherrer Institute, Centre National de la Recherche Scientifique, École Nationale Supérieure d'Ingénieurs de Caen, Normandie Université, Laboratoire de Cristallographie et Sciences des Matériaux, Université de Caen Normandie, Shanghai Advanced Research Institute
Language: English
Subfield: Biomedical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W4417251817
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